Relevant bibliographies by topics / Coal, india

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Coal, india'

Author: Grafiati
Published: 4 June 2021
Last updated: 30 January 2023

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Journal articles on the topic "Coal, india"

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Paliwal, Pramod, Abhinav Sengupta, and Neha Dixit. "Sustainable growth of Indian coal industry: policy perspectives and recommendations." Journal of Mines, Metals and Fuels 69, no. 2 (2021): 35. http://dx.doi.org/10.18311/jmmf/2021/27331.

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Coal is the most abundant fossil fuel resource in India, and the country’s industrial and economic heritage has been built upon indigenous coal. India is the world’s 3rd largest energy consumer after China and USA. However, as the country goes through profound economic and societal transformations, such as economic and population growth, urbanization and industrialization, energy demand is expected to increase substantially. Looking into the significance of coal not only in the energy-mix but also in the economic development of India, the paper is aimed at an assessment of coal sector in India which shall also help contextualize the place of coal in India’s contemporary energy, industrial and social sectors amidst a range of developments – both national and international - related to coal sector. The authors looked into various aspects of Indian coal sector from a policy perspective and suggested subsequent course of action so the same can be used by Indian coal mining stakeholders towards the larger goal of sustainable growth of coal sector including coal mining. The analysis produced important policy recommendations for coal industry stakeholders including the Indian Government, who is the sovereign owner of coal mine acreage in India.
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SAHU, ASISH KUMAR. "THE COAL CHALLENGE IN INDIA." International Journal of Students' Research in Technology & Management 3, no. 1 (2015): 231–33. http://dx.doi.org/10.18510/ijsrtm.2015.315.

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Coal contributes over half of India’s primary commercial energy and is likely to remain India’s most important source of energy for the coming decade or two. However, extraction and usage of coal leads to severe environmental problems within India and also contributes to climate change inducing green-house gas emissions. But the challenges of coal in India go beyond this, as the sector is plagued with governance challenges, inefficiency and allegations of corruption. This article takes a holistic view of the Indian coal sector. It summarizes the challenges produced by coal as well as the challenges that affect the sector. Furthermore, the article provides a glimpse into the perspectives of an energy future for the country with a reduced role for coal.
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Singh, Gopal, Kuntal Mukherjee, Alok Kumar Singh, and Amar Nath Jha. "Fuzzy Decision Support System to Enhance Productivity in Indian Coal Mining Industry." Journal of Cases on Information Technology 19, no. 1 (2017): 50–59. http://dx.doi.org/10.4018/jcit.2017010105.

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Coal powers the Indian economy. Over 70% of the entire power generated in the country is coal based. Coal India produces over 84% of the entire country's coal. As coal mining is a capital intensive industry, it is important to maximize productivity. This paper explores how adoption of “Kayakalp” Model of e- governance in CCL, a subsidiary of Coal India, resulted in complete transformation of the company in terms of production and productivity. The fuzzy based decision support system has investigated this fact.
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Misra, Basant K., and B. D. Singh. "Liptinite macerals in Singrauli coals, India: their characterization and assessment." Journal of Palaeosciences 42, no. 1-3 (1993): 1–13. http://dx.doi.org/10.54991/jop.1993.1128.

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The record of liptinite macerals in Indian Permian coals has been uniformly quite low under normal reflected light. In fact, high inherent clastic minerals intimately associated with liptinite macerals in these coals tends to mask them, at times, completely, obstructing identification and for this reason they are considered to be poor in liptinite content. Petrographic investigations carried out on Early Permian Turra coal seam and Late Permian Jhingurdah coal seam of Singrauli Coalfield, under blue light excitation, recorded appreciably high amounts of liptinite macerals (13-57% on mineral matter-free basis) as against maximum up to 19 per cent (m.m.f basis) under normal reflected light. The liptinite macerals in these coals are formed chiefly by sporinite (7-40%) and liptodetrinite (1-16%). Cutinite, suberinite, resinite, alginate, exsudatinite and fluorinate are the other macerals of liptinite group together occurring in only subordinate amounts. The coals of the Turra seam associated with Barakar Formation have relatively higher liptinite content than that of the Jhingurdah seam of Raniganj Formation. Such high concentration of sporinite has not been reported so far from the Indian Permian coals. The increase in liptinite/sporinite content coincides with increase in mineral matter content in many instances, i.e., dull bands normally have high liptinite content. The sporinite concentration in dull coal bands of the Permian coal seams mark the presence of semi-cannel or cannel coal bands.
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Aich, Subhajit, Dibyajyoti Behera, Barun Kumar Nandi, and Sumantra Bhattacharya. "Relationship between proximate analysis parameters and combustion behaviour of high ash Indian coal." International Journal of Coal Science & Technology 7, no. 4 (2020): 766–77. http://dx.doi.org/10.1007/s40789-020-00312-5.

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AbstractThis work presents the analysis of combustion characteristics of high ash Indian coal (28%–40%) collected from different mines of Singaurali coalfield, India. All the coal samples were characterized by proximate and gross calorific value analysis. Combustion performance of the coals were characterised using thermo-gravimetric analysis to identify the burning profile of individual coals. Various combustion kinetic parameters such as ignition temperature, peak temperature and burnout temperature, ignition index and burnout index, combustion performance index plus rate and intensity index of combustion process, activation energy were determined to analyse the combustion behaviour of coal. Further all these combustion properties were compared with the volatile matter, ash, fixed carbon and fuel ratio of each coal. Theoretical analysis shows that with increase in ash content, combustion performance initially increases and later descends. Further, coal with (25 ± 1.75)% volatile matter, 20%–35% ash and fuel ratio 1.4–1.5 were found to be optimum for coal combustion.
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Ansari, Kashif, and Shiv Kumar. "INTERNATIONAL TRADE OF COAL IN INDIA: TRENDS, CHALLENGES AND MEASURES FOR ACHIEVING TRADE BALANCE." International Journal of Research -GRANTHAALAYAH 4, no. 1 (2016): 189–98. http://dx.doi.org/10.29121/granthaalayah.v4.i1.2016.2864.

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Coal is one of the most important sources of electricity and energy in Indian economy. India is world’s third largest producer of coal yet it imports coal from different countries to meet its domestic requirement. With negligible amount of exports, it has resulted in trade deficit problems for Indian economy. This paper attempts to examine the burning issue of “International trade of coal in India: trends, challenges and suggestions for Improvement “from different perspectives. Accordingly the existing literature on the subject has been reviewed with topics ranging from coal exports and imports to illegal mining, clean technology and new ways to improve the quality of coal. The objective of the paper is to find reasons for huge imports and low exports of coal with a view to achieve trade balance. To conclude, it can be said that there are many unexplored areas which researchers can take up in future in order to achieve trade balance of coal.
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Chan, Hei Sing (Ron), Maureen L. Cropper, and Kabir Malik. "Why Are Power Plants in India Less Efficient than Power Plants in the United States?" American Economic Review 104, no. 5 (2014): 586–90. http://dx.doi.org/10.1257/aer.104.5.586.

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India's coal-fired generating capacity doubled between 1990 and 2010 and currently accounts for 70 percent of electricity produced. Despite this, thermal efficiency at state-owned coal-fired power plants in India is significantly lower than at plants in the United States. When matched on age and capacity, heat input per kWh was 8 percent higher at Indian plants between 1997 and 2009. This can only partly be explained by the lower heat content of Indian coal. Electricity sector restructuring in the United States improved thermal efficiency at investor-owned plants; however, electricity sector restructuring in India has yet to improve thermal efficiency at state-owned coal-fired power plants.
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Sarate, O. S. "Biopetrological study of Mulug coal belt, Godavari Basin, Andhra Pradesh, India." Journal of Palaeosciences 43, no. 1-3 (1994): 51–66. http://dx.doi.org/10.54991/jop.1994.1187.

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Biopetrological investigation of 12 coal seams from Mulug coal belt of Godawari Basin has been carried OUID evaluate their economic potentials. The coal seams are associated with the Karharbari and Barakar of the Lower Gondwana sequence. The maceral study has revealed that seams IV A, IV , 111 B, II, I below index, I and IA contain vitric coal. However, IV below index, III and I B seams are characterized by a mixture of both vtric and fusic coals. Besides, III A and II below index seams contain fusic coal. The microlithotype analysis indicates that the vitric coal has the dominance of vitrite, clarite and duroclarite constituents. The mixed type of coal contains variable frequencies of vitrite and inertite with intimate association of clarite, durite, trimacerite and carbominerite microlithotypes. However, fusic coal has overall dominance of inertite with carbominerite. The reflectance study revealed that I B, I and I below index, IV below index and the lowermost IV A seams have attained high volatile bituminous C rank. Whereas coal of II below index seam is represented by transitional stage of rank between high volatile bituminous C and sub-bituminous A. the coal seams III B and III A contain coal of high volatile bituminous B rank. However, the seams III and II are characterized by coal having rank ranging between high volatile bituminous C to B. Seam I A contains coal of high volatile bituminous C to A rank. However, seam IV comprises coal having reached high volatile bituminous A stage.
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Navale, G. K. B. "Temporal and spatial variations of the type and rank of Gondwana coals of India." Journal of Palaeosciences 40 (December 31, 1991): 468–76. http://dx.doi.org/10.54991/jop.1991.1794.

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Gondwana coals associated with Permian sediments in peninsular India vary widely but there is a distinct tendency of variation to be diagnostic both in time and space. The three maceral groups (Vitrinite, Liptinite and Inertinite) which are derived from diversified plant material exist in the Gondwana coals. However, maceral composition is controlled by the type of plant material available for accumulation as peat and by Eh and pH of the ancient swamp. These may all be in part controlled by the period when the peat was formed, climate and sedimentary environment. These variables seem to be inter-related rather than independent. The coals that occur in Karharbari, Barakar and Raniganj formations differ significantly in their nature and relative distribution of coal constituents. The coals, deposited under wide range of tectonosedimentary settings of Permian Gondwana sequence, reveal fusic, trimaceric and vitric coal types and by and large associated with different lithologic sequences in ascending order. Provincialism can be discerned both in relation to lateral variation of individual seams and in differences between the modal composition found in different coal measures. Significant variation occurs within the individual seams, however, they retain some degree of characteristic petrological identity. Different seams in a given stratigraphic unit may differ widely in their petrographic composition but are characterized by their diagnostic modal composition. The coals of Damodar, Son-Mahanadi, Pench-Kanhan and Wardha-Godavari basins provide good examples for the temporal and spatial variation of the coal seams. Coal rank assessed has shown significant variation in rank both in space and time ranging from high volatile sub-bituminous to low volatile bituminous stages including coking coal types. The wide range of coal rank recognized in the Gondwana of India is controlled by geothermal gradients and tectonic features. These have affected the extent of coalification by controlling the heat flow to which coals have been exposed. Tectonism may also have exercised some control over coal types (rank types) but only as a part of a complex mechanism which also involved sedimentary environment, the climate and the flora at any given time.
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Misra, B. K. "Tertiary coals of Makum Coalfield, Assam, India: Petrography, genesis and sedimentation." Journal of Palaeosciences 39, no. (1-3) (1990): 309–26. http://dx.doi.org/10.54991/jop.1990.1697.

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The two most important coal seams, viz., Seam no. 1 (18 m thick) and Seam no. 3 (6 m thick), of the Tikak Parbat Formation, Barail Group (Oligocene) are overlain by > 2000 m thick sediments of younger age. The coals are bright and non-banded in appearance. They are rich in vitrinite with subordinate amounts of liptinite and inertinite macerals. Early diagenetic pyrite and calcite alongwith clay and quartz are the main associated minerals. Under blue light excitation high amount of fluorescing macerals recorded are formed chiefly by perhydrous Vitrinite, liptodetrinite and resinite. Minor amount of sporinite, cutinite, suberinite and exsudatinite are also present with sporadic occurrence of f1uorinite and alginite. A comparison of Makum coals with the other Tertiary coals of India has also been attempted. The coals have low moisture and ash contents with high volatile matter and calorific value in relation to their rank by reflectivity measurements. The rank of the coal seams (R0 max. 0.72-0.75%) corresponds to high volatile bituminous B stage. From the biopetrological, palaeobotanical and geological evidences it has been concluded that the coal seams originated mostly from in situ mangrove-mixed angiospermous forest vegetation growing under humid to per-humid tropical climate. The vegetal accumulation took place in a rheotrophic swamp forming in a near-shore lagoon on a lower delta plain. The maceral and mineral associations in the coal seams indicate that the accumulated vegetal matter was mainly subjected to anaerobic microbial degradation under elevated swamp water pH (> 6). This facilitated the precipitation of early diagenetic pyrite, calcite and in situ release of plant-derived minerals in the peat. Under these conditions highly pyriteous and perhydrous coal seams were formed mainly by putrefaction. Whenever microbial degradation of organic matter was severe normal vegetal supply fell short to produce a peat layer, with the result minor and major authigenic partings within the coal seams were formed.
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Dissertations / Theses on the topic "Coal, india"

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Roy, Brototi. "Koyla Kahini. The Political Ecology of Coal in India." Doctoral thesis, Universitat Autònoma de Barcelona, 2021. http://hdl.handle.net/10803/672611.

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Aquesta tesi contribueix a examinar com i per què el carbó continua dominant la matriu energètica mundial, malgrat les velles i noves preocupacions socioecològiques i com i per què es posa en dubte, utilitzant narratives de justícia ambiental i climàtica. Tot i que el carbó continua regnant en la matriu energètica mundial, els patrons del comerç mundial de carbó estan canviant. L’Índia està preparada per jugar un paper de lideratge en un futur pròxim, ja que la producció, el consum i el comerç de carbó engloben noves geografies al sud global. Al mateix temps, l’Índia també lidera la transició cap a les energies renovables a nivell mundial. Primer exploro aquesta paradoxa mirant els patrons metabòlics socials i els factors d’ecologia política i argumento que la transició energètica es dirigeix, en realitat, cap a més carbó tot i una retòrica dominada per les renovables. A continuació, exploro com això s’està facilitant amb la creació d’una nova geografia costanera, en paral·lel a les antigues geografies del carbó. Tot seguit, exploro com s’està qüestionant aquesta pujada del carbó i com s’estan configurant les protestes en regions amb poblacions marginades amb desigualtats preexistents. Defenso la necessitat d’una justícia ambiental decolonial per esbrinar com interactuen les múltiples formes de violència i perpetuen les injustícies ambientals mitjançant el que anomeno violència processal. Finalment, examino les múltiples maneres com les protestes contra el carbó de tot el món que fan servir una narrativa de justícia climàtica estan connectades. Exploro 61 casos de resistència i esbosso tres grans tipus de classificacions sobre les connexions. Defenso la necessitat de moviments decolonials per la justícia climàtica que s’adhereixin a les preocupacions locals i que no impulsin una narrativa global de dalt a baix, proporcionant dos exemples de l’Índia en què aquest enfocament perjudica més que beneficia a un moviment. La tesi es basa en un enfocament de mètodes mixts, que se centra en la investigació transdisciplinària i coproduïda, i mobilitza conceptes de les tres disciplines interconnectades de l’ecologia política, la justícia ambiental i l’economia ecològica.
Esta tesis contribuye a examinar cómo y por qué el carbón continúa dominando la oferta energética global a pesar de las viejas y nuevas preocupaciones socio-ecológicas y cómo y por qué se cuestiona, utilizando narrativas ambientales y de justicia climática. Aunque el carbón sigue reinando en la cesta energética mundial, los patrones del comercio mundial de carbón están cambiando. India va a desempeñar un papel destacado en un futuro cercano a medida que la producción, el consumo y el comercio de carbón abarcan nuevas geografías en el Sur Global. Al mismo tiempo, paradójicamente, India también lidera la transición hacia las energías renovables a nivel mundial. Primero exploro esta paradoja estudiando los patrones metabólicos sociales y los factores ecológico-políticos. Sostengo que la transición energética es, de hecho, hacia más carbón a pesar de la retórica de las energías renovables. Luego estudio cómo esto se está facilitando con la creación de una nueva geografía costera, en paralelo a las geografías más antiguas del carbón. A continuación, analizo cómo se está impugnando este aumento del carbón y cómo se están configurando las protestas en regiones con poblaciones marginadas con desigualdades preexistentes. Abogo por la necesidad de justicia ambiental decolonial para desentrañar cómo interactúan las múltiples formas de violencia y se perpetúan las injusticias ambientales mediante lo que denomino violencia procesal. Finalmente, examino las múltiples formas en que se encuentran conectadas las protestas contra el carbón de todo el mundo que emplean una narrativa de justicia climática. Analizo 61 casos de resistencia y trazo tres tipos amplios de clasificaciones sobre las conexiones. Argumento que los movimientos decoloniales por la justicia climática deben apegarse a las preocupaciones locales en vez de imponer desde arriba una narrativa global, mostrando dos ejemplos de la India donde tal enfoque global hace más daño que bien al movimiento. La tesis se basa pues en métodos mixtos, está centrada en la investigación transdisciplinaria y coproducida movilizando conceptos de tres disciplinas interconectadas: ecología política, justicia ambiental y economía ecológica.
This thesis contributes to examining how and why coal continues to dominate global energy mix despite old and new socio-ecological concerns and how and why is it contested, using environment and climate justice narratives. Although coal continues to reign in the global energy mix, the patterns of global coal trade are shifting. India is primed to play a leading role in the near future as coal production, consumption and trade encompasses new geographies in the Global South. At the same time, India is also leading the transition towards renewables globally. I first explore this paradox by looking at social metabolic patterns and political ecological factors and argue that the energy transition is in-fact towards more coal despite a renewables-led rhetoric. I then explore how this is being facilitated with the creation of a new coastal geography, in parallel to the older coal geographies. This is followed by an exploration of how this rise in coal is being contested, and how are the protests being shaped in regions with marginalized populations with pre-existing inequalities. I argue for the need of decolonial environmental justice scholarship to unpack how the multiple forms of violence interact and perpetuate environmental injustices by what I term procedural violence. Finally, I examine the multiple ways in which coal protests from across the world which employ a climate justice narrative are connected. I explore 61 cases of resistance and draw three broad types of classifications about the connections. I argue for the need of decolonial climate justice movements which adheres to local concerns and doesn’t push for a global top-down narrative, by providing two examples from India where such approach does more harm than good to a movement. The thesis is based on a mixed-methods approach, focusing on transdisciplinary, co-produced research, and mobilizes concepts from the three interconnected disciplines of political ecology, environmental justice and ecological economics.
Universitat Autònoma de Barcelona. Programa de Doctorat en Ciència i Tecnologia Ambientals
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Mathur, Ritu. "Study on coal utilization in India : a spatial modeling framework to examine optimal coal utilization policy in the power and cement sectors in India." Kyoto University, 2007. http://hdl.handle.net/2433/135592.

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Thakur, Urmila Jha. "EIA follow-up of open cast coal mines in India." Thesis, University of Liverpool, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.439477.

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Gupta, Nikhil. "Dry Deshaling of Thermal Coals in India." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/35633.

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Beneficiation of thermal coal in India is a relatively new development. For the year 2006, India produced 380 million metric tons of thermal coal, of which only 17 million metric tons were beneficiated coals. One potentially attractive method for upgrading Indiaâ s coal feed stocks is the air table dry deshaling technology. Dry deshaling offers significant advantages over wet cleaning operations, including reduced surface moisture, enhanced heating value, elimination of processing water and waste slurries, and reduced transportation of large amounts of ash-forming minerals. To evaluate this potential, a pilot-scale air table deshaling unit was tested at three locations in India for the specific purpose of upgrading thermal coals. The field testing confirmed that the separation performance for Indian coals is similar to that which has been achieved at sites in the United States for material in the 50 x 6 mm size range. The data indicate that material with 80% ash and higher can be rejected by the dry deshaler unit with a combustible recovery of more than 90%. Furthermore, a discreet elemental model was developed using PFC3D to understand the process of segregation on a dry density based vibratory table. Analysis was done to show the effect of different forces on the process efficiency. Also, operating parameters and particle properties such as frequency of vibrations, amplitude of velocity, bed depth, particle size and specific gravity were analyzed in the model. The model results were compared with field testing results of dry deshaling air table and All-Air Jig separator.
Master of Science
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ELANGO, SABARISH. "Life cycle assessment of coal based direct-reduced iron production in India." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-287339.

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The production of iron through direct reduction (Direct-Reduced Iron; DRI) involves the use of natural gas or coal to reduce iron ore to iron through carbothermic reactions at a temperature below its melting point, negating the need for a blast furnace as otherwise required. In India, around 25% of iron is produced through direct reduction. However, there is a high reliance on coal (79% of DRI production capacity) causing significant energy use and emissions from production. Also, a large portion of raw materials (especially coal) is imported due to low quality of domestic resources. To understand the overall supply chain impact of DRI or sponge iron production, a life-cycle assessment is carried out on four stages: mining, transport, beneficiation (i.e. ore pellet-making and coal washing) and DRI production. Around 315 coal-based DRI production plants are mapped using GIS to identify clustering of plants in major iron-producing regions. Weighted average specific energy use and emissions is calculated for seven such clusters (using total cluster capacity), based on regional raw material qualities and transport distances from various mines, ports and beneficiation plants. The results suggest an overall specific (per tonne DRI) energy consumption of 27.24 GJ with an emission of 2.8 tCO2eq, 2.6 kgNOx, 1.8 kgSOx and 1.4 kgPM2.5. The specific energy and emission values are used to calculate the total annual emissions by multiplying with the 2019 DRI production amount of 27.8 million tonnes. The annual midpoint and endpoint impacts as per ReCiPe 2016 (country-wise factors where applicable) are then calculated. The DRI industry causes 77.31 million tCO2eq/year in global warming potential, 59.02 thousand tSO2eq/year in acidification potential and 287.2 thousand tPM2.5eq/year in fine dust formation potential. It is estimated to cause approximately 270,000 years of reduction in overall human life and 230 species years of species loss (mainly in terrestrial ecosystems). Different sensitivities are carried out to understand the impact of some key influencing parameters (effect of ore quality and coal quality, effect of imports of ore and coal). Some development scenarios, such as increasing coal washery capacity, shifting land transport from road to rail, increasing waste-heat recovery penetration, effect of stricter regulations, etc. are discussed, along with pathways for fuel-switching from coal to natural gas, and then from natural gas to hydrogen.
Järnsvamp producerat genom direktreduktion (Direct-Reduced Iron; DRI) innefattar användning av naturgas eller kol för reduktion av järnmalm till järn genom karboterma reaktioner vid en temperatur under dess smältpunkt, vilket eliminerar behovet av en masugn. Ca 25% av järnproduktionen i Indien sker genom direkt reduktion. Energin kommer i 73% av fallen från kol, vilket gör processen är väldigt kolberoende. I sin tur bidrar detta till en betydande energianvändning och stora koldioxidutsläpp. Låg kvalité på inhemska resurser (framförallt kol) kräver import av en stor del av processråvarorna. För att förstå den övergripande effekten av försörjningskedjan av DRI- eller svampjärnproduktionen genomfördes en livscykelbedömning i fyra steg - gruvdrift, transport, anrikning (dvs tillverkning av malmpellets och koltvätt) och DRI-produktion. Cirka 315 kolbaserade DRI-produktionsanläggningar kartlades med GIS för att identifiera kluster av produktionsanläggningar i större järnproducerande regioner. Vägt genomsnittligt specifikt energianvändning och utsläpp beräknades för sju sådana kluster (med total klusterkapacitet) baserat på regionala råvarukvaliteter och transportavstånd från olika gruvor, hamnar och förädlingsanläggningar. Resultaten indikerar en total specifik energiförbrukning på 27,24 GJ/ton DRI med ett utsläpp på 2,8 tCO2eq, 2,6 kg NOx, 1,8 kg SOx och 1,4 kg PM2,5 per ton DRI. De specifika energi- och utsläppsvärdena användes för att beräkna de totala årliga utsläppen genom att multiplicera med DRI-produktionsmängden för 2019, vilken motsvarade 27,8 miljoner ton. Den årliga mitt- och slutpunktseffekten enligt ReCiPe 2016 (landsmässiga faktorer där så är tillämpliga) beräknades sedan. DRI-industrin har en global uppvärmningspotential motsvarande 77,31 miljoner tCO2eq/år, 59,02 tusen tSO2eq/år i försurningspotential och 287,2 tusen tPM2,5eq/år i potential för bildning av fint damm. Detta beräknas förkorta livslängden hos människor världen över med total cirka 270 000 år och 230 år av artförlust (främst i markbundna ekosystem). En känslighetsanalys utfördes för att förstå effekterna av viktiga påverkande parametrar (effekt av malmkvalitet och kolkvalitet, effekt av import av malm och kol). Vissa utvecklingsscenarier, såsom ökad koltvättkapacitet, skifte i transport från väg till järnväg, ökad penetration av spillvärmeåtervinning, effekten av strängare föreskrifter etcetera diskuterades tillsammans med tillvägagångssätt för bränsleomkoppling från kol till naturgas och sedan från naturgas till väte.
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Wu, Pin-Hsien. "Environmentalism in China and India : a comparative analysis of people and politics in two coal capitals." Thesis, University of Sussex, 2015. http://sro.sussex.ac.uk/id/eprint/57101/.

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This dissertation presents the results of an interdisciplinary environmental study that focuses on the formation of environmental discourse at the grassroots level of society. Case studies on the ‘Coal Capitals' in Guizhou of China and Jharkhand of India were conducted in order to examine the question: why do people appear to react in different ways when encountering environmental problems, such as those caused by mining? This thesis investigates how the environment – and the participation space for discussing it – has been socio-culturally, historically and politically defined in the two countries. It is one of the few initiatives to have assessed environmental development issues based on comparative literature reviews and empirical fieldwork in coal villages in China and India. It has critically examined the literature related to the two locations studied by encompassing environmental governance, political discourses and historical studies about environmental development, media productions and daily life conversations about the environment. By examining the representations of environmentalism in the Chinese and Indian cases, this study deals with different dynamics of discourse construction in the two societies – including the power of the state, the influences of media and social elites, and the emergence of grassroots movements. The investigation of the interactions between these dynamics enhances our understanding of, on the one hand, the social settings of the two Coal Capitals in the two countries, and, on the other hand, the relationship between nature and the people, especially those with limited social and economic resources. By bringing in the voices of the marginalised social groups, this thesis adds to a growing body of research on the diversity of environmentalism within developing countries. In particular, the analysis helps explain how popular environmentalism and the concept of environmental participation in India and China have become recognised differently, in the discussions created by researchers and media commentators in conjunction with actors with power in the state machinery.
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Chatterjee, Sandip [Verfasser], Ravi [Akademischer Betreuer] Ahuja, Chitra [Gutachter] Joshi, and Dominic [Gutachter] Sachsenmaier. "A Study in Industrial Health: Coal Miners in Eastern India, 1890s-1952 / Sandip Chatterjee ; Gutachter: Chitra Joshi, Dominic Sachsenmaier ; Betreuer: Ravi Ahuja." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2017. http://d-nb.info/1141379449/34.

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Ghosh, Joy Gopal. "U-Pb geochronology and structural geology across major shear zones of the Southern granulite terrain of India and organic carbon isotope stratigraphy of the Gondwana coal basins of India : their implications for Gondwana studies." Doctoral thesis, University of Cape Town, 1998. http://hdl.handle.net/11427/9571.

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Bibliography: p. 277-308.
This thesis is divided into 2 parts. The first part (Chapters 1-5) concentrates on unravelling the . Precambrian geological history of the high-grade poly-metamorphic and poly-deformed basement of southernmost India, using field geology and U-Pb geochronology. Because Peninsular India occupied a central position in Gondwana, this work bears on reconstruction models of central Gondwana between circa 600 Ma and 200 :f1,a. The second part of the thesis (Chapter 6) tests the use of organic carbon isotopes as a chemostratigraphic tool to correlate between the lower part of terrestrial Gondwana (Upper Carboniferous to Triassic) sequences in India. This work contributes to (i) intra-basinal and inter-basinal stratigraphic correlation and carbon isotope variations during the Pennian-Triassic extinction event of Gondwana; and (ii) refines the inter-continental correlations of the Gondwana type sequences in India with those in South Africa and Madagascar. This century much attention has been focused on the reconstruction of Gondwana, and as a result, the broad relative positions of different Gondwana fragments and their later dispersal histories is now well understood. Finer-scale reconstructions, based on modern geochronological and isotope studies integrated with field studies of continental rocks, are still needed to resolve the detailed kinematic histories of continental break-up and the evolution of continental lithosphere in general. Shear zones that cross the boundaries of continental fragments provide 'piercing points' in fitting the fragments back together. To realize this, the kinematics and the timing of major shear zones need to be determined. The first part of this thesis, therefore, primarily focuses on understanding the kinematics and geochronology of a number of subvertical continental scale shear zones in the Southern Granulite Terrain of India (SGT).
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Das, Sanjeev Kumar [Verfasser]. "Recovery of Iron Values with the Advanced Characterization and the Reduction Kinetics of Banded Hematite With Coal : Ghatkuri (Gua), West Singhbhum, Jharkhand, India / Sanjeev Kumar Das." München : GRIN Verlag, 2019. http://d-nb.info/1190283999/34.

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Mohalik, Niroj Kumar. "A study of the spontaneous heating if Indian coals." Thesis, University of Nottingham, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.602340.

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The Indian coal industry is currently facing a number of constraints (i .e. socio-economic, geotechnical and environmental issues) due to high demand of coal for industrial growth. In addition to the many potential geotechnical issues, the existence of extensive uncontrolled and concealed fires present a significant problem to the coal industry, the national economic growth and environment. The cause of many of these fires is the spontaneous heating of the coal seams (Zutshi et al., 2001) that create a significant problem to the productivity, safety and environmental impact of mining operations. The thesis presents the results of a systematic experimental study to determine the susceptibility of a number of Indian coal seams to spontaneous heating. A literature review revealed that the existing crossing point temperature method (CPT) assessment method is not reliable enough to be used to solely predict spontaneous heating. Therefore, there is a need to identify an additional robust and reliable technique to determine the susceptibility of coals to spontaneous heating, to assist in the classification of the coal seams with respect to their proneness to spontaneous heating. A comprehensive experimental study was conducted to analyse eleven coal samples collected from a variety of fiery and non-fiery coal seams within the Jharia coalfield (JCF) India. In the first part of the investigation, the basic coal characteristics, including a proximate, elemental, petrographic and mineral matter analysis were determined . The spontaneous heating susceptibility of all of the coal samples was studied using a number of methods, including: a morphology study of oxidised coal under microscopy, the use of the crossing point temperature method (Indian method), the use of the sponcomb rig at the University of Nottingham and the use of thermogravimetric analyses (TGA) of the coal samples. An analysis of the thermogravimetric results obtained for these coal samples at different heating rates resulted in the development of a spontaneous heating susceptibility index (SHSI). In addition, the activation energies were calculated from a kinetic study of the coal samples by employing the three different techniques attributed to Coats & Redfern (1963), Friedman (1964), and Chang (1994). Subsequently, a statistical correlation analysis was carried out to identify any links between the intrinsic properties of coal and the indices determined from the application of the different spontaneous heating susceptibility methods. It was observed that the proximate, elemental and petrographic analysis results correlated well with the spontaneous heating susceptibility results obtained from the sponcomb rig and TGA experiments. It was further concluded that the results of the mineral matter analyses do not exhibit a good correlation with any of the spontaneous heating susceptibility indices. The hierarchical clustering method was used to examine any links between the intrinsic coal properties and the result obtained from the application of each of the four susceptibility indices investigated. Each susceptibility index was subdivided into three levels, namely highly susceptible, moderately susceptible and poorly susceptible. A critical review of the literature reporting the classification of coal seams based on field observations, spontaneous heating susceptibility studies and hierarchical clustering theory concluded that any coal seam may be assigned to one of these three sub level classes by knowledge of the results obtained from the sponcomb rig and TGA experiments. An initial attempt was carried out to measure the greenhouse gas (GHG) emission fluxes in laboratory condition as well as from spontaneous heating of coal at one fire affected mine for the first time in India. Both initial laboratory and field study results concluded that there is no obvious relationship between the gas emissions experienced under both conditions.
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Books on the topic "Coal, india"

1

Pareek, H. S. Coal in India. Geological Society of India, 2008.

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Limited, Coal India. Coal atlas of India. Coal India Limited, 1993.

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Coal industry of India. Ashish Pub. House, 1986.

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K, Srivastava A. Coal mining industry in India. Deep & Deep Publications, 1988.

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Sengupta, P. B. Coal industry and labour in India. R.S. Books International, 1994.

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International Publications & Information Services (New Delhi, India), ed. Overview of coal sector of India, 2005. www.IndiaCore.com, International Publications & Information Services, 2005.

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India, Geological Society of, ed. Coal and lignite resources of India: An overview. Geological Society of India, 2000.

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Kolar, Ajit Kumar. Advanced coal technologies for power generation in India. National Institute of Advanced Studies, 1999.

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Auditor-General, India Comptroller and. Report of the Comptroller and Auditor General of India on allocation of coal blocks and augmentation of coal production: For the year ended March 2012. Comptroller and Auditor General of India, 2012.

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National Seminar on Coal Resources of India (1986 Banaras Hindu University). Proceedings of the National Seminar on Coal Resources of India. Banaras Hindu University, 1987.

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Book chapters on the topic "Coal, india"

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Kumar, Sujit. "“Outsourcing” in coal mining." In Change and Mobility in Contemporary India. Routledge India, 2019. http://dx.doi.org/10.4324/9780429345074-12.

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Montrone, Lorenzo, Nils Ohlendorf, and Rohit Chandra. "The political economy of coal in India." In The Political Economy of Coal. Routledge, 2022. http://dx.doi.org/10.4324/9781003044543-10.

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Dwivedi, Krishna Kant, Prabhansu, M. K. Karmakar, A. K. Pramanick, and P. K. Chatterjee. "Waste Coal Utilization in India: A Review." In Urban Mining and Sustainable Waste Management. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0532-4_11.

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Yi-chong, Xu. "Coal India Limited: The Last One Standing." In The Political Economy of State-owned Enterprises in China and India. Palgrave Macmillan UK, 2012. http://dx.doi.org/10.1057/9781137271655_3.

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Mustafi, Gurudas, and Monomit Nandy. "Reviving Antiquated BATAC® Jigs in India through Technological Upgrades." In XVIII International Coal Preparation Congress. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-40943-6_135.

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Mallick, Nirmal, and Prabu Vairakannu. "Unconventional Technologies for Sustainable Coal Energy in India." In Energy, Environment, and Sustainability. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-7509-4_6.

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Srihari, K., and A. Sandeep Kumar. "Safety in Coal Mines in India-Its Perspective." In Learning and Analytics in Intelligent Systems. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-24314-2_39.

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Nath, Manabendra. "Utilisation Prospects of Bapung Coal, Meghalaya, Northeast India." In Springer Geography. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-26443-1_10.

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Sinha, V. K., B. K. Dey, and Pradip Kr Baranwal. "Coal Preparation in India: New Business Opportunities & Need for Dry Separation Technology." In XVIII International Coal Preparation Congress. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-40943-6_183.

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Mishra, P. K., O. P. Mishra, and K. Kusuma Kumari. "Coal Beneficiation: Initiatives Taken by Mahanadi Coalfields Limited (a Subsidiary of Coal India Limited)." In XVIII International Coal Preparation Congress. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-40943-6_24.

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Conference papers on the topic "Coal, india"

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Ajilkumar, A., T. Sundararajan, and U. S. P. Shet. "Gasification of Indian Coal in a Tubular Coal Gasifier." In ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ht2007-32648.

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In spite of the high ash content, Indian coals have been widely used for the generation of power and industrial steam in India. Being considered as the technology for future in terms of efficiency and cleaner environment, coal gasification carries much importance since India has a large amount of coal reserves. In this paper, the numerical simulations have been performed on gasification performance of three types of Indian coals in atmospheric as well as pressurized conditions in an entrained flow, air-blown tubular gasifier. In the model, continuous phase conservation equations are solved in an Eularian frame and those of particle phase are solved in a Lagrangian frame, with coupling between the two phases incorporated through interactive source terms. Phenomena such as devolatilisation, combustion of volatiles, char combustion & gasification and the dispersion of coal particles due to turbulence are taken into account. The P-1 model has been adopted for radiative heat transfer in which scattering is taken into account for the particles. It is observed that as the ash percentage increases, the heat and mass transfer are strongly affected and the gasification performance decreases. This is attributed to the lower char reactivity due to thick ash layers and lower oxygen and other gas diffusion rates. Various regions such as devolatilisation, combustion and gasification zones inside the gasifier have been identified using the temperature plots, devolatilisation plots and mass depletion histories of coal particles. The overall gasification performance indices such as carbon conversion, heating value of the exit gas and cold gas efficiency have been predicted.
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Reuben, Benjamin. "Feasibility of IGCC Technology for Power Generation in India." In ASME Turbo Expo 2004: Power for Land, Sea, and Air. ASMEDC, 2004. http://dx.doi.org/10.1115/gt2004-53701.

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The paper evaluates the emerging coal gasification technology now operational in many parts of the world to produce electric power through Combined Cycle mode in the present coal dominated power scenario in India. The initiatives of United States Agency for International Development (USAID)-New Delhi, India together with an Indian utility National Thermal Power Corporation (NTPC) and supported by a consortium of experienced international agencies for feasibility study of commercial application of coal based IGCC technology for producing 100MWe in India are enumerated. India with a population of one billion, a fifth of the world’s population ranks sixth in the world in terms of energy demand. It has only about 0.4 percent of world’s natural gas which contributes only 10 percent to power generation as against 65% by coal in the present total installed capacity of 107000 MW. The estimated coal reserves in India of 211 billion tonnes are likely to last for about 150 years as against oil and gas reserves that will get depleted in less than 50 years. Notwithstanding the ongoing debate in India between LNG versus coal for emergence of a mature and economic future fuel for power generation in India, over 60% of the 100,000 MW power demand required in the next 10 years in India is expected to be provided on coal, USAID-New Delhi has commissioned under its expanded Green House Gas (GHG) Pollution Prevention Project, a feasibility study of the IGCC Power plant in India. Therefore, application of the coal gasification combined cycle process, an emerging technology for clean, efficient and low CO2 emission coal fuelled generation thro GE’s advanced H-system turbine and providing high operating efficiency of 43% would be appropriate to serve as a base technology for greenfield projects and as a repowering option for vintage coal fired plants totaling 25000 MW now operating over 30 years.
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Roy, Sandip Kumar. "Middle and Lower Eocene Coals, Cambay Basin and Miocene Coals, South Sumatra Basin: Analogs for Coal and CBM Properties." In SPE Oil and Gas India Conference and Exhibition. Society of Petroleum Engineers, 2019. http://dx.doi.org/10.2118/194651-ms.

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Roy, Chandan, Anupam Sanyal, and Sanjay Pande. "ESP Performance Improvement: Flue Gas Conditioning Finally Arrives in India." In ASME 2004 Power Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/power2004-52162.

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Electro Static Precipitator’s in India — that dedust about 65000 MWe capacity — have come a long way from their Western Pedigree. The imported designs mutated, prompted by the Indian coal/ash, which characterize uniquely- essentially high ash content of atypical composition and very high resistivity. Insufficient initial recognition of this aspect, incremental environmental consciousness and progressively deteriorating coal quality led to a convoluted and not so satisfactory ESP performance scenario in the country. Recognizing the need for organic interventions, NTPC undertook multiple studies and tests-backed up by a strong knowledge network- on almost all ESP performance enhancement options. While certain options are under extended observation, Flue Gas Conditioning (FGC) — based on encouraging test results and worldwide presence — is being inducted in some NTPC stations. Triggered by this broad-based program, FGC has started appearing front stage in India. This study visits aspects that make FGC attractive for Indian ESPs. Looking beyond the present, an attempt has been made to examine the potential of ESP-FGC combination as a dependable alternative for the long term. “Technology maturity”, “flexibility in space requirements” and the “blanket performance control” that FGC offers are the critical success factors. Implementation economics though unclear now, is complimented by the relatively low locked capital component, which FGC offers. It emerges that a sound theoretical base for the conditioning agent choice and its action on ash/ESP performance is missing and needs to be developed for a systematic development and spread. Technology initiatives are invited for this task. The paper, oriented as a comprehensive narration to act as a precursor to such developmental work, therefore picks up from ESP advent in India enumerating the key reasons for the pessimistic performance response through the key FGC application determinants.
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Wang, Zhen, Debabrata Das, and Avner Vengosh. "Hazardous Trace Elements and Naturally Occurring Radionuclides in Coal and Coal Combustion Residuals from India." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.2801.

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Vaish, Jitendra, and S. K. Pal. "Subsurface Coal Fire Mapping in Patherdih Colliery, a Part of the Jharia Coal Field, India." In Future Challenges in Earth Sciences for Energy and Mineral Resources. Geological Society of India, 2016. http://dx.doi.org/10.17491/cgsi/2016/95899.

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Behera, Sushanta Kumar, S. Chakraborty, and B. C. Meikap. "Upgradation of Low Grade Coal to High Quality Coal by Chemical Beneficiation Technique." In ASME 2017 Power Conference Joint With ICOPE-17 collocated with the ASME 2017 11th International Conference on Energy Sustainability, the ASME 2017 15th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2017 Nuclear Forum. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/power-icope2017-3057.

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Low rank or grade coals (LGC) are widely distributed over the world. Coal plays a vital role in the global energy demand especially through power generation and it mitigates the energy poverty. The major challenges by the utility of coal as regarding to energy security, a risk of climate change, and increasing of the energy demands are the main portfolio to develop the advanced technology for coal beneficiation. The gradual depletion of high quality coal and cost effective which become a significant issue for power generation while the low grade coals were served as low cost fuel and as an alternative energy security issue. In current research the low grade coal (>35% ash) has been upgraded to higher grade (<10%) by chemical cleaning method. The low grade coal was selected from Mahanadi Coalfields Limited, Odisha, India. Each test was conducted of 50 g coal (250 μm particle size) with 40% NaOH at 100 °C for 3 h and followed with 20% of H2O2, H2SO4, HCl, and HF acids at similar conditions. The research study revealed that ash content (mineral matter) of coal is reduced to >70% by NaOH followed HF treatment as compared to other solvents. The greater liberation of mineral results increases the ash reduction from low grade coal because mineral associated in the coal matrix may formed elution by the leaching effect. The greater extent of demineralization was caused due to the high affinity of OH− and F− with minerals in the coal matrix. The characterization of pre and post treatment coal and coal ash was investigated by the FESEM, XRF and XRD analysis. Overall the current research study challenges the chemical cleaning of low grade coal has been efficient techniques for reducing the minerals to a certain limit.
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Kumar, Ajay, Nagendra Yadav, Y. R. L. Rao, C. P. Singhal, and Ajit Kumar. "Pre-fracture Treatment of Coal Seams for Fracture Conductivity Enhancement in Hydro Fracturing of CBM Wells and Coal Fines Mitigation in Multilateral CBM Wells through Wettability Alteration of Coal Fines - A Laboratory Study." In SPE Oil and Gas India Conference and Exhibition. Society of Petroleum Engineers, 2012. http://dx.doi.org/10.2118/153978-ms.

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Dey, Swapan Kumar. "Coal Bed Gas Productivity Prediction By Stoneley Wave Analysis." In SPE Oil and Gas India Conference and Exhibition. Society of Petroleum Engineers, 2010. http://dx.doi.org/10.2118/129020-ms.

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Smouse, Scott M., Ayaka Jones, Babatunde O. Fapohunda, Mark Render, and John W. Hindman. "Coal- and Gas-Fired Power Construction and Cancellation Trends in Countries With the Most New Coal Power Capacity Since 2003." In ASME 2018 Power Conference collocated with the ASME 2018 12th International Conference on Energy Sustainability and the ASME 2018 Nuclear Forum. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/power2018-7466.

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This paper attempts to quantify global development of coal- and natural gas-based power between 2003 and 2016 by analyzing the progression of individual coal and natural gas power units of 100 megawatts or greater as reported by S&P Global Platts. About 1,000 gigawatts (GW) of new coal capacity entered service worldwide in this period, nearly doubling the world coal power fleet. About 96% of this new capacity was built in 10 countries led by China and India. The momentum of global coal power development has slowed since 2014 with cancelled, deferred, or delayed capacity in 2016 more than quintupling that reported in 2013. This slowdown occurred mainly in China and India, where 426 GW of coal capacity were cancelled during 2015 and 2016, while only 26 GW was built. The vast majority of the new coal capacity built in Germany, Japan, and South Korea since 2003, and the majority in China since 2008, use supercritical or ultra-supercritical (USC) technologies. Subcritical technology still prevails among units constructed in developing countries, but USC units are being built in all the top 10 countries except the United States, where no new coal power plant is currently under construction.
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Reports on the topic "Coal, india"

1

Krishnan, R. P. (Coal utilization in India). Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/6299653.

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Krishnan, R. P. (Collaborative coal project between the USA and India). Office of Scientific and Technical Information (OSTI), 1990. http://dx.doi.org/10.2172/6587041.

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Krishnan, R. (US Agency for International Development--Government of India collaborative coal projects). Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/5499060.

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Kurup, Parthiv, Ted Kwasnik, Billy J. Roberts, and Tim Wendelin. Initial Thermal Energy Yield Potential for the Use of Concentrating Solar Power (CSP) for Coal Hybridization in India. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1560125.

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Kulkarni, A., and J. Saluja. Coal conversion and biomass conversion: Volume 1: Final report on USAID (Agency for International Development)/GOI (Government of India) Alternate Energy Resources and Development Program. Office of Scientific and Technical Information (OSTI), 1987. http://dx.doi.org/10.2172/5598849.

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Cornot-Gandolphe, Sylvie. Indian Steam Coal Imports. Oxford Institute for Energy Studies, 2016. http://dx.doi.org/10.26889/9781784670528.

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Banerjee, Pallavi, and V. S. Singh. Application of Numerical Modeling for Optimizing the Pumping Rate with Special Reference to Small Coral Island of India. Cogeo@oeaw-giscience, 2011. http://dx.doi.org/10.5242/iamg.2011.0027.

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Akbari, Hashem, Tengfang Xu, Haider Taha, et al. Using Cool Roofs to Reduce Energy Use, Greenhouse Gas Emissions, and Urban Heat-island Effects: Findings from an India Experiment. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1026804.

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Life assessment and emissions monitoring of Indian coal-fired power plants. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/6156543.

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Life assessment and emissions monitoring of Indian coal-fired power plants. Final report. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10165664.

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