Academic literature on the topic 'Coal liquefaction Waste disposal'

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Journal articles on the topic "Coal liquefaction Waste disposal"

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Uwaoma, R. C., C. A. Strydom, R. H. Matjie, J. R. Bunt, G. N. Okolo, and D. J. Brand. "Pyrolysis of Tetralin Liquefaction Derived Residues from Lighter Density Fractions of Waste Coals Taken from Waste Coal Disposal Sites in South Africa." Energy & Fuels 33, no. 9 (2019): 9074–86. http://dx.doi.org/10.1021/acs.energyfuels.9b01823.

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Fakoussa, R. M. "Production of water-soluble coal-substances by partial microbial liquefaction of untreated hard coal." Resources, Conservation and Recycling 1, no. 3-4 (1988): 251–60. http://dx.doi.org/10.1016/0921-3449(88)90020-1.

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Zhao, Hua, and Michael S. Franklin. "Ionic liquids for coal dissolution, extraction and liquefaction." Journal of Chemical Technology & Biotechnology 95, no. 9 (2020): 2301–10. http://dx.doi.org/10.1002/jctb.6489.

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Ren, Xiangkun, Dingye Fang, Jialu Jin, and Jinsheng Gao. "Study on flow patterns in different types of direct coal liquefaction reactors." Asia-Pacific Journal of Chemical Engineering 4, no. 5 (2009): 563–67. http://dx.doi.org/10.1002/apj.284.

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Marx, S., A. N. E. Laubscher, J. R. Bunt, R. J. Venter, R. C. Uwaoma, and C. A. Strydom. "Evaluation of sugar cane bagasse hydrothermal liquefaction products for co-gasification with coal as green coal pellet production." Bioresource Technology Reports 22 (June 2023): 101503. http://dx.doi.org/10.1016/j.biteb.2023.101503.

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Zhang, Li, Han Liu, Yifei Wang, and Yongzhen Peng. "Compositional characteristics of dissolved organic matter during coal liquefaction wastewater treatment and its environmental implications." Science of The Total Environment 704 (February 2020): 135409. http://dx.doi.org/10.1016/j.scitotenv.2019.135409.

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Chen, Huijun, Beibei Cui, Guochun Yan, et al. "The application of coal liquefaction residue raffinate slag-based sorbents for elemental mercury removal from coal-fired flue gas." Journal of Environmental Chemical Engineering 10, no. 1 (2022): 107045. http://dx.doi.org/10.1016/j.jece.2021.107045.

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Zhang, Li, Yongzhen Peng, and Jiachun Yang. "Transformation of dissolved organic matter during advanced coal liquefaction wastewater treatment and analysis of its molecular characteristics." Science of The Total Environment 658 (March 2019): 1334–43. http://dx.doi.org/10.1016/j.scitotenv.2018.12.218.

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Ghani, Zaidi Ab, Mohd Azlan Mohd Ishak, and Khudzir Ismail. "Direct liquefaction of Mukah Balingian low-rank Malaysian coal: optimization using response surface methodology." Asia-Pacific Journal of Chemical Engineering 6, no. 4 (2010): 581–88. http://dx.doi.org/10.1002/apj.442.

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Ji, Jie, Tong Ma, Ziyuan Zhang, Meng Ling, Xinqiang Xu, and Jianming Wei. "Evaluation of benzaldehyd and dioctyl phthalate modified direct coal liquefaction residue asphalt binder based on rheology and microscopic mechanisms." Cleaner Materials 12 (June 2024): 100238. http://dx.doi.org/10.1016/j.clema.2024.100238.

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Dissertations / Theses on the topic "Coal liquefaction Waste disposal"

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Rezaee, Mohammad. "SUSTAINABLE DISPOSAL OF COAL PROCESSING WASTE STREAMS." UKnowledge, 2015. http://uknowledge.uky.edu/mng_etds/26.

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Modern coal preparation facilities incorporate a wide array of solid-solid and solid-liquid separation processes for rejecting mineral matter to meet market specifications. The coarse mineral matter is typically placed into engineered refuse piles whereas the fine refuse is either stored in impoundments or co-disposed with the coarse refuse. The discharge water from the refuse material represents an environmental concern due to the potential release of trace elements, and the subsequent elevation of total dissolved solids and conductivity. The research findings reported in this dissertation ad
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Basu, Kohinoor. "Feasibility of an Integrated Thin Seam Coal Mining and Waste Disposal System." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/9578.

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The depletion of more attractive thicker and easily accessible coal seams in the central Appalachia will direct attention towards the extraction of coal seams thinner than 28 in. This thesis investigates the feasibility of an integrated mining and backfilling system applicable to thin seams. Two conceptual mining systems, namely Auger mining and Self Advancing Miner, have been proposed for this purpose. Both these systems are designed to remotely mine coal from the seams. Several attempts were made in the past to mine coal in a similar fashion but were not very successful due to several proble
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Grimes, Janet A. "Economic and system feasibility study of municipal waste stowage in underground coal mines." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-05092009-040521/.

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Wang, Tian Fei. "Incineration characteristics of coal fired industrial wastes in grate and fluidised bed combustors." Thesis, University of Portsmouth, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310466.

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Gosling, Christine. "Co-disposal of rejects from coal and sand mining operations in the Blue Mountains : a feasibility study /." View thesis, 1999. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030822.133548/index.html.

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Albuquerque, Allwyn J. J. "Geoenvironmental aspects of coal refuse-fly ash blends /." This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12042009-020142/.

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Gosling, Christine, University of Western Sydney, and School of Civic Engineering and Environment. "Co-disposal of rejects from coal and sand mining operations in the Blue Mountains : a feasibility study." THESIS_XXXX_CEE_Gosling_C.xml, 1999. http://handle.uws.edu.au:8081/1959.7/824.

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This thesis presents details of investigations into the potential for co-disposal of the two rejects from Clarence Colliery and Kable's Transport Sand Mine. Column experiments were undertaken to simulate field conditions. The experiment consisted of: 1/. creating the required co-disposal arrangement and structure in containers 2/. infiltrating water through each container and measuring the rates of infiltration and overflow 3/. measuring the chemical properties of the leachate water. Geotechnical tests of co-disposal pile stability were undertaken using a specially constructed shear box. Resul
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Muriithi, Grace Nyambura. "CO2 sequestration using brine impacted fly fish." Thesis, University of the Western Cape, 2009. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_2786_1297918761.

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<p>It was hypothesized that South African FA and brine could sequester CO2 through mineral carbonation. A statistical approach was undertaken to optimize the % CaCO3 formed from FA/brine/CO2 interaction with input parameters of temperature, pressure, particle size and solid/liquid ratio (S/L) being varied. The ranges adopted for the input parameters were: temperature of 30 &ordm<br>C or 90 &ordm<br>C<br>pressure of 1 Mpa or 4 Mpa<br>four particle sizes namely bulk ash, &gt<br>150 &mu<br>m, &lt<br>20 &mu<br>m and 20 &mu<br>m- 150 &mu<br>m particle size range<br>S/L ratios of 0.1, 0.5 or 1. The
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Gosling, Christine. "Co-disposal of rejects from coal and sand mining operations in the Blue Mountains : a feasibility study." Thesis, View thesis, 1999. http://handle.uws.edu.au:8081/1959.7/824.

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This thesis presents details of investigations into the potential for co-disposal of the two rejects from Clarence Colliery and Kable's Transport Sand Mine. Column experiments were undertaken to simulate field conditions. The experiment consisted of: 1/. creating the required co-disposal arrangement and structure in containers 2/. infiltrating water through each container and measuring the rates of infiltration and overflow 3/. measuring the chemical properties of the leachate water. Geotechnical tests of co-disposal pile stability were undertaken using a specially constructed shear box. Resul
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Albuquerque, Allwyn J. "Geoenvironmental aspects of coal refuse-fly ash blends." Thesis, Virginia Tech, 1994. http://hdl.handle.net/10919/46095.

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<p>The separate land disposal of coal refuse and fly ash presents difficulties throughout the Appalachian region, both in terms of disposal costs per acre and in terms of its potential environmental impacts on soil, ground water, revegetation, and slope stability. The purpose of this study was to determine how fly ash addition to coal refuse would impact on certain geotechnical properties of the refuse disposal piles, and whether the refuse-fly ash blends would be suitable as co-disposed materials. Accordingly, the compaction, permeability and shear strength characteristics of the refuse-fly a
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Books on the topic "Coal liquefaction Waste disposal"

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United States. Office of Fossil Energy and ICF Resources Incorporated, eds. Coal combustion waste management study. The Office, 1993.

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Branch, Ontario Waste Management, ed. Detailed study of the Simcoe coal gasification plant site. Ontario Environment, 1991.

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National Research Council (U.S.). Committee on Coal Waste Impoundments. Coal waste impoundments: Risks, responses, and alternatives. National Academy Press, 2002.

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Dawson, R. F. Liquefaction flowslides in western Canadian coal mine waste dumps: Phase II, case histories. s.n, 1994.

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Ontario. Ministry of the Environment. and Intera Technologies Ltd, eds. Inventory of coal gasification plant waste sites in Ontario. The Ministry, 1987.

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Golomb, A. LIF waste characterization for handling/disposal 1985. Ontario Hydro, Research Division, 1986.

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Taehan Sŏktʻan Kongsa. Kisul Yŏnʼguso., ред. Kungnae tʻan / pʻyepʻŭllasŭtʻik honhap sŏnghyŏng yŏllyo ŭi yŏl punhae saengsŏng kasŭ chŏgyong kisul kaebal yŏnʼgu =: A study on the technical development of application for pyrolysis gas formed from Korean anthracite/plastic waste mixed fuel. Sanŏp Chawŏnbu, 2007.

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Taehan Sŏktʻan Kongsa. Kisul Yŏnʼguso., ред. Kungnae tʻan / pʻyepʻŭllasŭtʻik honhap sŏnghyŏng yŏllyo ŭi yŏl punhae saengsŏng kasŭ chŏgyong kisul kaebal yŏnʼgu =: A study on the technical development of application for pyrolysis gas formed from Korean anthracite/plastic waste mixed fuel. Sanŏp Chawŏnbu, 2007.

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ASCE, National Convention (1988 Nashville Tenn ). Disposal and utilization of electric utility wastes: Proceedings of a session. ASCE, 1988.

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Liberati, Michael R. Attenuation of leachates from coal and coal combustion by-products by Maryland soils. Environmental Resources Management, 1985.

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Book chapters on the topic "Coal liquefaction Waste disposal"

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Holley, Carl A. "Ash Utilization and Disposal." In Clean Energy from Waste and Coal. American Chemical Society, 1992. http://dx.doi.org/10.1021/bk-1992-0515.ch019.

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Huffman, G. P. "Coliquefaction of Waste Material with Coal: A Research Program of the Consortium for Fossil Fuel Liquefaction Science." In Conversion And Utilization Of Waste Materials. Routledge, 2023. http://dx.doi.org/10.1201/9781315140360-4.

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Sireesha, Ghanta Naga, and Prishati Raychowdhury. "Dynamic Characterization of Indian Pond Ash Through Cyclic Simple Shear Tests." In Lecture Notes in Civil Engineering. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-69626-8_43.

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AbstractIndia depends heavily on coal-based thermal power plants for its energy requirements, with as much as 75% of all installed power production capacity sourced from coal-based plants. Although the country is gradually moving towards non-conventional and renewable energy sources, still the dependency on coal-based energy is significant to date. Some recent studies have indicated that by 2030, the country will be in need of more than 1340 MT coal for power generation annually. The average ash production is 33% of coal consumed, which in turn implies that nearly 437 MT of annual ash producti
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Gonzalez, R. E., M. T. Stephens, C. Toma, K. J. Elwood, and D. Dowdell. "Post-earthquake Demolition in Christchurch, New Zealand: A Case-Study Towards Incorporating Environmental Impacts in Demolition Decisions." In Springer Tracts in Civil Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68813-4_3.

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AbstractThe 2010/2011 Canterbury Earthquake Sequence resulted in severe loss and disruption in Christchurch, New Zealand due to liquefaction and damage from strong shaking. Following the earthquake, over 60% of concrete buildings with 3 + stories in the Christchurch CBD were demolished, resulting in a widespread displacement of people and business, an excess of $NZD 40 billion in losses, and significant environmental impacts from the demolition. Following the event, it was revealed that environmental impacts were not a direct consideration in demolition decision making. This paper provides a q
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Hirschi, Joseph C., and Y. Paul Chugh. "Sustainable coal waste disposal practices." In Advances in Productive, Safe, and Responsible Coal Mining. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-08-101288-8.00012-2.

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Palmer, S. R., E. J. Hippo, D. Tandon, and M. Blankenship. "Liquefaction of coal/waste plastic mixtures." In Coal Science, Proceedings of the Eighth International Conference on Coal Science. Elsevier, 1995. http://dx.doi.org/10.1016/s0167-9449(06)80097-2.

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Huffman, G. P., Zhen Feng, F. E. Huggins, and Vikram Mahajan. "Direct liquefaction of waste plastics and coliquefaction of waste plastics with coal." In Coal Science, Proceedings of the Eighth International Conference on Coal Science. Elsevier, 1995. http://dx.doi.org/10.1016/s0167-9449(06)80096-0.

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İsmail Tosun, Yıldırım. "Hazardous Waste Granule Composting by Cycled Retort Using Microwave Radiated Asphalt/Asphaltite Coal Slime Mixing." In Hazardous Waste Management [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.101676.

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The hazardous sludge metal content of Mazıdağı metal leaching and electrowinning plants causes a great threat to ecology. The high-level metal and salt contaminants occurred in the copper leaching waste tailing ponds. The seepage liquors leak through the permeable bottom of ponds, such as acidic seepages. While urbanization needs freshwater; freshwater demand in the region increases because of global warming and drought. The estimated contamination values are avoided designing the controlling contamination level systems and meeting the disposal compost demand. In this approach, the demand for
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M. Lankapati, Henilkumar, Kalpana C. Maheria, and Ajay K. Dalai. "Transformation of Waste Coal Fly Ash into Zeolites for Environmental Applications." In Coal Energy in the 21st Century [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.108252.

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The generation of a large quantity of waste coal fly ash (CFA) via coal combustion process during power generation is of major concern as disposal of such huge quantity of fly ash causes serious threats to the environment. There is an exigent need to find out the proper solution for its disposal/utilization to reduce its harmful effects. The composition of waste coal fly ash mostly consists of silica and alumina. Hence, the researchers are tempted to utilize waste coal fly ash as a starting ingredient to make value-added materials like zeolites. It is anticipated that such research efforts wil
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Schept, Judah. "“This Is a Place for Trash”." In Coal, Cages, Crisis. NYU Press, 2022. http://dx.doi.org/10.18574/nyu/9781479837151.003.0002.

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Part I of this book, which includes chapters 1 and 2, examines the spatial and political relationships among coal, waste, and incarceration, focusing on sites of mountaintop removal that subsequently became the locations for prisons. In order to begin examining the contiguities among mining, waste, and prison, chapter 1 uses extensive data from ethnographic field research, including two foundational interviews in which research participants spoke to the ways in which the prisons in their communities were a part of a larger historical geography of extraction and disposal. In the discussion of t
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Conference papers on the topic "Coal liquefaction Waste disposal"

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Regalbuto, J. A. "A Method for the Dry Removal of Coal-Ash from Boilers." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92251.

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Abstract The residue from the combustion of high-ash coal affects the design and operation of steam electric-generating plants. Proper boiler design can minimize the amount of retained ash, but accumulations over long periods of operation will affect boiler efficiency. Ash deposits on the tube banks will alter air flow and thereby heat transfer. Operating efficiency decreases and the cost of power generation increases. The method for dry removal of coal-ash described herein is aimed at regaining the design operating efficiency of the boiler with minimum disruption of power-generating operation
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DeRoche, Brady. "UHP Waterjetting - the Oldest - New Method for Surface Preparation." In Coatings+ 2020. SSPC, 2020. https://doi.org/10.5006/s2020-00007.

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Abstract With the growing concerns over change in Federal regulations, and the increase in waste disposal costs, the oil and gas maintenance industry is in need of an alternative solution to fit these specifications. They are in need of an innovative tactic that is controlled, safe, predictable, and most importantly, able to provide an ultra-clean surface that meets the set industry performance standards. Little do most people know, this solution we are all looking for was created in the early 1800s, and used by coal miners as a method to remove loose debris and coal. This solution is the use
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Yanli, Huang, Zhang Jixiong, Liu Zhan, and Zhang Qiang. "Underground Backfilling Technology for Waste Dump Disposal in Coal Mining District." In 2010 International Conference on Digital Manufacturing and Automation (ICDMA). IEEE, 2010. http://dx.doi.org/10.1109/icdma.2010.450.

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Chen lie, Cao Kang, Zhao Xueyi, Wang Xing, Pan Yue, and Wu Miao. "Integrated pipeline transport and disposal system for solid waste coal sludge." In International Technology and Innovation Conference 2006 (ITIC 2006). IEE, 2006. http://dx.doi.org/10.1049/cp:20061161.

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Matko, Una, and Nenad Malić. "IZAZOVI U SANACIJI I REKULTIVACIJI DEPONIJA PEPELA I ŠLJAKE IZ TE STANARI." In 36. Savetovanja CIGRE Srbija 2023 Fleksibilnost elektroenergetskog sistema. Srpski nacionalni komitet Međunarodnog saveta za velike električne mreže CIGRE Srbija, 2023. http://dx.doi.org/10.46793/cigre36.1411m.

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As a byproduct of the coal-fired thermal power plants, ash and slag landfills are formed. The potential basic degradation processes related to ash landfills are combined through the occurrence of wind and water erosion, and seepage of waste water. From the planning and design phase of such facilities, it is necessary to properly diagnose the potential causes of degradation, the occurrence of harmful effects, and to plan protection and monitoring for each landfill separately. The constant and binding need for rehabilitation and recultivation of ash and slag landfills, created during the operati
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Al-Abdulkarem, Abdullah, Yunho Hwang, and Reinhard Radermacher. "Efficiency Improvement of Natural Gas Combined Cycle Power Plant With CO2 Capturing and Sequestration." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87436.

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Although natural gas is considered as a clean fuel compared to coal, natural gas combined cycles (NGCC) emit high amounts of CO2 at the plant site. To mitigate global warming caused by the increase in atmospheric CO2, CO2 capture and sequestration (CCS) using amine absorption is proposed. However, implementing this CCS system increases the energy consumption by about 15–20%. Innovative processes integration and waste heat utilization can be used to improve the energy efficiency. Four waste heat sources and five potential uses were uncovered and compared using a parameter defined as the ratio o
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Themelis, Nickolas J., and Saman Reshadi. "Potential for Reducing the Capital Costs of WTE Facilities." In 17th Annual North American Waste-to-Energy Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/nawtec17-2366.

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The dominant waste-to-energy technology is combustion of “as-received” municipal solid wastes (MSW) on a moving grate. By far, the largest cost item in the operation of such plants is the repayment of the initial capital investment of $600 to $750 per annual metric ton of capacity which results in capital charges of $60–75 per ton of MSW processed. On the average, such plants generate about 650 kWh of electricity per metric ton of MSW combusted. Therefore, on the basis of 8,000 hours of operation per year (90% availability), the capital investment in WTE facilities ranges from $7,500 to $9,000
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Kulić Mandić, Aleksandra, Milena Bečelić-Tomin, Đurđa Kerkez, Gordana Pucar Milidrag, Vesna Pešić, and Miljana Prica. "A mini review: Optimal dye removal by fenton process catalysed with waste materials." In 10th International Symposium on Graphic Engineering and Design. University of Novi Sad, Faculty of technical sciences, Department of graphic engineering and design,, 2020. http://dx.doi.org/10.24867/grid-2020-p21.

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Large quantities of solid waste from different industries are commonly disposed in landfills, where can generate wide range of environmental problems. Therefore, the aim of this paper is to give insight on the usage of various waste materials as oxidation catalysts in different Fenton processes for dye removal. In that manner the circular value chain of these materials will be reinforced, obtaining disposal cost reduction and further value addition. Some of industrial wastes (fly ash, electric arc furnace dust, red mud, coal bottom ash, activated carbon from biomass, etc.) that have been used
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Chen, Han-Ping, Xian-Hua Wang, Shi-Hong Zhang, et al. "Retrofitting 25T/h Pulverized Coal-Fired Boiler Into 35T/h Circulating Fluidized Bed Boiler for Burning Mixture of Coal and Bagasse." In 18th International Conference on Fluidized Bed Combustion. ASMEDC, 2005. http://dx.doi.org/10.1115/fbc2005-78041.

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In China, there are a large number of pulverized coal-fired industrial boilers, whose steam capacities are usually relatively small. These boilers can burn only high-grade coal and have low combustion efficiency. Furthermore, the combustion emissions, such as SO2 and NOx, pollute the environment severely. Therefore it is very important and urgent to adopt economically efficient and environmentally friendly technologies to retrofit these boilers. At the same time, there are many industrial wastes, such as bagasse, wood waste, rubbish, petroleum coke and so on, need burning disposal in China. Fl
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Kienzler, Bernhard, Peter Vejmelka, and Volker Metz. "Near Field Radionuclide Concentrations: Sorption or Solubility Constrained?" In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1236.

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Abstract The amount of mobile radionuclides is controlled by the geochemical isolation potential of the repository. Many investigations are available in order to determine the maximal radionuclide concentrations released from different waste forms of specific disposal strategies for disposal in rock salt formations. These investigations result in reaction (dissolution) rates, maximum concentrations, and sorption coefficients. The experimental data have to be applied to various disposal strategies. The case studies presented in this communication cover the selection, the volumes, and the compos
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Reports on the topic "Coal liquefaction Waste disposal"

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Gerald Huffman. Cooperative Research Program in Coal-Waste Liquefaction. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/991118.

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Blasing, T. J., R. L. Miller, and L. N. McCold. Potential effects of clean coal technologies on acid precipitation, greenhouse gases, and solid waste disposal. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10128275.

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Henghu Sun and Yuan Yao. Research and Development of a New Silica-Alumina Based Cementitious Material Largely Using Coal Refuse for Mine Backfill, Mine Sealing and Waste Disposal Stabilization. Office of Scientific and Technical Information (OSTI), 2012. http://dx.doi.org/10.2172/1048945.

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Salvaging Wood from Fallen Trees after Hurricanes Irma and Maria. USDA Caribbean Climate Hub, 2017. http://dx.doi.org/10.32747/2018.6943414.ch.

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The USDA Caribbean Climate Hub and the State and Private Forestry Program of the International&#x0D; Institute of Tropical Forestry of the US Forest Service, held a workshop on November 21, 2017 where&#x0D; more than 80 people gathered to identify the opportunities and resources necessary to take advantage&#x0D; of the wood from fallen trees in Puerto Rico after hurricanes Irma and Maria. Due to the economic and&#x0D; cultural value of tropical timber species, economic activities can be created from the available posthurricane plant waste. Millions of fallen trees and branches can be processed
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