Academic literature on the topic 'Lignite Indonesia'

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Journal articles on the topic "Lignite Indonesia"

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Liu, Ming Qiang, Jian Zhong Liu, Yu Jie Yu, Zhi Hua Wang, Jun Hu Zhou, and Ke Fa Cen. "Investigation of Lignite Combustion Characteristics with Thermal Analysis." Advanced Materials Research 614-615 (December 2012): 25–30. http://dx.doi.org/10.4028/www.scientific.net/amr.614-615.25.

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Combustion characteristics of three types of lignite (coming from Indonesia, Ximeng, Hami), and a bituminous coal from Shenfu were studied by thermogravimetric analysis (TGA). Combustion parameters including characteristic temperatures, maximum rate of combustion, combustion performance index and activation energy of samples were analyzed. Kinetic parameters of samples were calculated using Jander model. The results showed that the characteristic temperatures of lignite samples are lower than that of bituminous coal. Indonesian lignite has the best combustion performance and the lowest activat
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KANDUČ, Tjaša, та Miloš MARKIČ. "Isotopic composition of carbon (δ13C) and nitrogen (δ15N) of petrologically different Tertiary lignites and coals". Geologija 67, № 1 (2024): 105–28. http://dx.doi.org/10.5474/geologija.2024.006.

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This study investigates the carbon (δ13Corg) and nitrogen (δ15N) isotopic composition of tertiary lignites and coals from six sedimentary basins: Velenje, Mura-Zala, and Zasavje in Slovenia; Sokolov in Czech Republic, Barito in Indonesia; and Istria in Croatia. The aim is to investigate the correlation between the fine detrital (fD) component and δ13C and δ15N in Velenje lignite samples. Additionally, we aim to evaluate the biogeochemical processes of organic substances during their deposition in all analyzed samples, calculate their δ13CCO2 values and compare the analyzed values of δ13C and δ
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Hamdani, Ahmad Helman, and Agus Didit Haryanto. "The Spontaneous Combustion Potency of Lignite Coal Based on FTIR." European Journal of Environment and Earth Sciences 3, no. 5 (2022): 37–40. http://dx.doi.org/10.24018/ejgeo.2022.3.5.326.

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To understand the role of functional groups in the spontaneous combustion of lignite coal, the distribution of functional groups in the lignite coal of the Sajau Formation in the Berau Basin, Indonesia, was studied. The functional group characterization was carried out using the Fourier Transform Infra Red (FTIR) method. The results revealed the presence of four functional groups, namely hydroxyl structures, aliphatic structures, oxygen-containing structures, and aromatic structures. The lignite contained more hydroxyl and oxygen-bearing functional groups, from which aliphatic and aromatic; th
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Zhao, Zhen Ning, and Qin Feng Zhang. "Burning Blended Coal of Indonesia Lignite and Vietnam Anthracite on a Face-Fired 600MW Boiler Original Designed for Bituminous Coal." Advanced Materials Research 347-353 (October 2011): 167–73. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.167.

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Elemental research of burning blended coal of Indonesia Lignite and Vietnam anthracite on a face-fired 600MW supercritical boiler is performed, which is original designed for burning high-quality bituminous coal. Maximum ratio of Vietnam anthracite can be 40 percent. With the increase of the ratio of the anthracite, the size of residue particles and the ratio of unburned carbon in residues (UBCRs) rise up markedly, the slag formation of Indonesia Lignite alleviate. The results reveal: the burnout of anthracite is more difficult than its ignition, the key way to solve this problem is to control
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Mar, Kyu Kyu, Dwikorita Karnawati, Doni Prakasa Eka Putra, Sarto, Toshifumi Igarashi, and Carlito Baltazar Tabelin. "ARSENIC ADSORPTION PERFORMANCE OF LIGNITE IN LABORATORY COLUMN EX PERIMENTS UNDER SATURATED FLOW CONDITIONS." ASEAN Engineering Journal 4, no. 2 (2013): 41–52. http://dx.doi.org/10.11113/aej.v4.15450.

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This paper presents the adsorption behavior of arsenic (As) onto lignite in saturated column experiments under various flow rates and adsorbent thicknesses. The lignite sample originated from Indonesia is predominantly composed of organic matter with minor amounts of pyrite (FeS2). Arsenic content of lignite is 1.8 mg/kg with high sulfur content of 10.8 wt. %. The experiments were performed at room temperature using a glass column with an inner diameter of 2.4 cm and total length of 30 cm. Different lignite bed thicknesses (6 and 12 cm) at a constant flow rate of 0.85 cm3/min and a fixed ligni
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Nursanto, Edy, Dessyanto Prasetyo, Bambang Supriyanta, et al. "Accuracy of Self-Heating Modeling in Coal Stockpiles in the Warukin Formation, South Kalimantan, Indonesia." Iraqi Geological Journal 58, no. 1C (2025): 15–24. https://doi.org/10.46717/igj.58.1c.2ms-2025-3-17.

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The study aims to improve the accuracy of self-heating prediction of lignite-A coal from the Warukin Formation by comparing modeling and actual temperature measurements. Modeling with COMSOL Multiphysics® predicts the temperature on day 30 of 468 K, while the actual temperature is 507.65 K. The modeling equation (Tpred) is 1.33 times time and added 412.50, while the actual equation (Tobs) is 2.16 times time and added 441.07. The high correlation coefficient (r) is 0.95, the Mean Absolute Error is 16.81 K, and the Root Mean Square Error is 20.48 K. The average relative error of the model is 0.0
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Julismi, Rusdianasari, and Abu Hasan. "Syngas Underground Coal Gasification (UCG) Testing of In-Situ Type Lignite Coal and Fracture Type Coal." International Journal of Research in Vocational Studies (IJRVOCAS) 1, no. 2 (2021): 67–78. http://dx.doi.org/10.53893/ijrvocas.v1i2.42.

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The advancement and utilization of technology require energy, namely electricity and fuel energy. The increasing cost of fossil energy, the scarcity of non-renewable energy sources and the increasing energy demand requires diversification of energy resources. One of the new renewable energy sources currently being developed in Indonesia is Underground Coal Gasification (UCG). UCG is a new technology that utilizes unmined coal. In the UCG process, coal is burned underground and the syngas produced is collected through bore wells for processing or direct use. The resulting syngas is analyzed to
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Ernawati, Ernawati, Muhammad Natsir, and Mansyur Asri. "The impact of final demand on energy sectors' interregional output." Jurnal Perspektif Pembiayaan dan Pembangunan Daerah 11, no. 5 (2023): 371–88. http://dx.doi.org/10.22437/ppd.v11i5.25044.

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This study investigates the influence of aggregate demand on the interregional energy sector in Indonesia, aiming to ascertain whether the proximity of regions impacts the demand within the energy sector. Utilizing data from the Input-Output Indonesia Interregional Table, this research encompasses six regions: Sumatra, Java, Bali & Nusa Tenggara, Kalimantan, Sulawesi, and Maluku & Papua. The energy sectors analyzed include oil, gas & geothermal mining, coal & lignite mining, coal industry & oil, gas refinery, and electricity and gas procurement & ice production. Finding
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Puteri, Gina Chynthia Kamarudin, Roni Ridwan, and Ellin Harlia. "Ecological Diversity of Microbial Consortium Feces of Beef Cattle and Lignite Coal." HAYATI Journal of Biosciences 27, no. 3 (2020): 180. http://dx.doi.org/10.4308/hjb.27.3.180.

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Increasing energy demand is not alongside the availability of limited fossil fuels. Alternative and renewable energy sources are not only an option to overcome energy problems but also essential to minimize global warming. Another critical and promising renewable energy source is biomass-derived from livestock feces. Beef cattle feces contain a microorganism consortium that can be used as a starter with coal media to form biogas. Indonesia recently developed coal waste processing into renewable energy, such as biogas. This study aimed to overview the ecological diversity of microbial consortiu
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Riasetiawan, Mardhani, Ferian Anggara, Vanisa Syahra, et al. "Coal rank data analytic for ASTM and PSDBMP classification." International Journal of Innovative Research and Scientific Studies 6, no. 2 (2023): 374–80. http://dx.doi.org/10.53894/ijirss.v6i2.1469.

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The large amount of coal production in Indonesia generates a significant amount of data that can be used to understand the rank of the coal. To effectively process and interpret this data, our study employs the use of big data techniques, including big data management and big data analysis. Big data management allows us to organize and understand the data patterns, while big data analysis is used to gain insights and knowledge about the data, such as coal rank analysis and identifying the type of coal. Our study uses a python-based approach to define variables and automatically classify the co
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Dissertations / Theses on the topic "Lignite Indonesia"

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Remond, Emilie. "L'ouverture en question : quand des universités ouvertes se redéfinissent à l'ère de la globalisation numérique." Thesis, Valenciennes, 2017. http://www.theses.fr/2017VALE0039/document.

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Cette thèse se propose d’étudier les mutations engendrées par la globalisation numérique au sein de dispositifs de formation à distance. Elle s’intéresse au cas spécifique des universités ouvertes dans plusieurs pays. Ces systèmes, qui permettent généralement l’accès aux études à distance et sans condition spécifique d’admission, diffusent de façon massive des programmes d’enseignement. Majoritairement présentes en Asie, elles se sont implantées dans de nombreux pays, en particulier dans le Commonwealth. Le cas des universités ouvertes permet ainsi d’adopter une perspective comparative, sur de
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Books on the topic "Lignite Indonesia"

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Sangyōshō, Japan Keizai. Project assistance for private initiative infrastructure project in developing countries in fiscal year 2005: Feasibility study of environmentally friendly 1200 MW lignite fired minemouth power plant in South Sumatra, Indonesia : report. Ministry of Economy, Trade and Industry, 2006.

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Coal, Lignite The, Lignite The Coal, and Peat Research Group. The 2000 Import and Export Market for Coal, Lignite, and Peat in Indonesia (World Trade Report). 2nd ed. Icon Group International, 2001.

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Peat And Lignite Bri The Coal, Solid Fuels Research Group, and Ovoids Lignite Briquettes. The 2000 Import and Export Market for Coal, Peat and Lignite Briquettes, Ovoids and Solid Fuels in Indonesia (World Trade Report). 2nd ed. Icon Group International, 2001.

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Lignite The Coke And Semi-Coke Of, Peat Research Group, The Coke, and Lignite Semi-Coke of Coal. The 2000 Import and Export Market for Coke and Semi-coke of Coal, Lignite and Peat in Indonesia (World Trade Report). 2nd ed. Icon Group International, 2001.

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Lignite The Coke And Semi-Coke Of, The Coke, Lignite, Peat Semi-Coke of Coal, and Briquettes Research Group. The 2000 Import and Export Market for Coke and Semi-coke of Coal, Lignite, Peat and Briquettes in Indonesia (World Trade Report). 2nd ed. Icon Group International, 2001.

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Book chapters on the topic "Lignite Indonesia"

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Kang, TaeJin, DoMan Jeon, Hueon Namkung, DongHa Jang, Youngshin Jeon, and Hyungtaek Kim. "Drying Kinetics Characteristic of Indonesia Lignite Coal (IBC) Using Lab Scale Fixed Bed Reactor." In Cleaner Combustion and Sustainable World. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30445-3_36.

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Meng, Liu, Xu Chao, Li Jian, and Duan Yufeng. "Physicochemical Properties and Pyrolysis Characteristics of Indonesian Lignite Upgraded by Organic Solvent." In Clean Coal Technology and Sustainable Development. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2023-0_3.

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Zain, Mardiati, Rusmana Wijaya Setia Ningrat, Heni Suryani, and Novirman Jamarun. "Effect of Various Feed Additives on the Methane Emissions from Beef Cattle Based on an Ammoniated Palm Frond Feeds." In Animal Feed Science and Nutrition - Health and Environment [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.100142.

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Methane gas has a very significant contribution to the increase in greenhouse gases (GHG) globally. The livestock sector, especially ruminants, causes the issue of increasing GHG concentrations. The chapter presents the issue of reducing methane gas production from cattle. Various experiments to reduce methane gas production from ruminants have been carried out and have shown varying results. This series of results of the author\'s research on reducing methane gas production in livestock in beef cattle based on agriculture by-product to animal feed is addressed with this background. Agricultur
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Bardant, Teuku Beuna, Heru Susanto, and Arief Amier Rahman Setiawan. "Lignin Utilization as a Wood Surface Coating and its Role in Feasibility Assessment of Lignocellulose-Based Bioethanol in Indonesia: a Cheminformatics Approach." In Chemical Technology and Informatics in Chemistry with Applications. Apple Academic Press, 2019. http://dx.doi.org/10.1201/9781351247450-10.

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Conference papers on the topic "Lignite Indonesia"

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Arvianto, Rizky Ibnufaatih, Muhammad Nur Ikhsanudin, Maudy Pratiwi Novia Matovanni, Anatta Wahyu Budiman, Sunu Herwi Pranolo, and Joko Waluyo. "Comparison of the production of dimethyl ether (DME) from lignite coal and biomass as energy sources to substitute LPG: A case study in Indonesia." In INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING AND MANUFACTURING SYSTEMS: ICMEMS2022. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0114394.

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Atikah, Okta L., Laily F. Pelawi, Bertha V. Wihelmina, Wahyu H. Ibrahim, and Firsty A. Aribah. "The Isolation of Lignin from Coconut Fiber as Bioadsorbent of Cr(III) in Lake of University of Indonesia." In the 2017 International Conference. ACM Press, 2017. http://dx.doi.org/10.1145/3155077.3155086.

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Sari, I. P., E. Saepudin, and Y. K. Krisnandi. "Effect of temperature in depolymerization of lignin from oil palm empty bunches over NiO/HY zeolite catalyst." In THE 8TH INTERNATIONAL CONFERENCE OF THE INDONESIAN CHEMICAL SOCIETY (ICICS) 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0001093.

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Acosta, Elias R., Bhagwanpersad Nandlal, and Ryan Harripersad. "SATURATION EXPONENT AS A FUNCTION OF RESERVOIR HETEROGENEITY AND WETTABILITY IN THE TAMBAREDJO OIL FIELD, SURINAME." In 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0118.

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This research proposed an alternative method for determining the saturation exponent (n) by finding the best correlations for the heterogeneity index using available core data and considering wettability changes. The log curves of the variable n were estimated, and the effect on the water saturation (Sw) calculations and the Stock Tank Oil Initially In Place (STOIIP) in the Tambaredjo (TAM) oil field was analyzed. Core data were employed to obtain the relationship between n and heterogeneity using cross-plots against several heterogeneity indices, reservoir properties, and pore throat size. Af
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