The article presents an experimental laboratory setup used for the empirical determination of the gasification of coal samples in the form of solid rock, cut out in the form of a cylinder. An experimental laboratory set enabled a series of experiments carried out at 700 °C with steam as the gasification agent. The samples were prepared from the coal seam, the use of which can be planned in ...
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Coal gasification is a cleaner and an efficient alternative to the coal combustion for producing the syngas. The highash coals are found in a number of countries, and they form an important ...
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India and also in Academy of Scientific and Innovative Research (AcSIR), CSIRNational Chemical Laboratory (NCL) Campus, Pune 411 008, India; Vivek V. Ranade is in the Academy of Scientific and ... Underground coal gasification, coal seam, pilot experiments, modelling. ... process of getting blocks allocated for development into
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Abstract. Coal gasification is an important industrial process for converting raw coal into more useful and cleaner carbon feedstocks for use in power generation and as precursors for other transformations. Coal gasification involves complex heterogeneous physical and chemical changes that occur between coal and gaseous reactants.
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Airblown plants are less amenable to chemicals production applications and to high levels of precombustion CO 2 capture than oxygenblown gasifiers; 2. a gasification plant—for converting solid or liquid hydrocarbon fuels into synthesis gas (syngas); 3. a syngas gas cleanup system; and. 4. a combinedcycle power plant.
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Conclusion. Fuel gas from gasification may be utilized for power generation after it is properly cleaned in downstream process. The clean fuel gas with high CO and H 2 content has the potential for production of liquid petroleum fuels through FischerTropsch process. However, achieving such clean fuel gas is nowadays a major concern in research.
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The chemical process at the heart of Underground Coal Gasification (UCG) is the engineered injection of a blend of gasification (normally O2, air, H2O) agents into the coal resource. Established ...
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Gasification of biomass for power generation has only been proven in small scales. Most biomass gasification applications demonstrated to date for electric power have power output less than 10 MW (Heschel and Klose 1995). Biomass is also being investigated for cogasification with coal to reduce fossilbased CO 2 emissions.
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This work aims to perform the applied mineralogical characterization of coal gasification ash (CGA) generated from a commercial fixed bed downdraft gasification plant in eastern India.
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Cogasification (COG) is a cleancoal technology that uses a binary blend of coal and biomass for generating the product gas; it is environmentfriendly since it emits lesser quantities of pollutants compared to the coal gasification process. Although coals found in many countries contain high percentages of ash, cogasification studies involving such coals, and the process modeling thereof ...
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Underground Coal Gasification (UCG) takes advantage of the same chemical reactions of coal to produce product gases, as those occurring in conventional gasifier reactors. The main difference is that in UCG the underground coal seam itself becomes the reactor, so that the gasification of the coal takes place underground instead of in a manufactured gasification vessel at the Obviously ...
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Underground coal gasification (UCG) is a process to use and convert deep and economically unmineable coal into syngas for further use in electric power, liquid fuels and synthetic natural gas etc ...
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Underground Coal Gasification (UCG) requires monitoring of the gasification area because the gasification process is invisible and the reaction temperature exceeds 1000 °C. Many fracturing events ...
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Swadesh Chaulya is a scientist at CSIRCentral Institute of Mining and Fuel Research (CSIRCIMFR), Dhanbad, India. His fields of research include design and development of monitoring, control and automation systems for mines and hazardous areas; geotechnical and environmental studies; and application of wireless communication technologies in ...
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Schematic of insitu gasification process [7] 3. Criteria for UCG site selection UCG is a highly efficient coal conversion process [8], with gasification efficiencies similar to that of surface gasifiers (7585%) and mining efficiencies comparable with that of underground coal mining (around 60%). Not all UCG trials were successful.
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His primary areas of research are numerical modeling of turbulent combustion, spray atomization and combustion, coal gasification and combustion. Prof. Avinash K Agarwal joined IIT Kanpur in 2001. His areas of interest are IC engines, combustion, alternative fuels, conventional fuels, optical diagnostics, laser ignition, HCCI, emission and ...
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Fine coal gasification is a key enabling technology for the implementation of IGCC plants. Fluidised bed gasification is being evaluated by the CSIR as a potential fine coal gasification process for incorporation into future IGCC plants. A suite of four South African coals has been identified as being possible fuels for power stations which ...
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Coal and Energy Division, CSIRNorth East institute of Science Technology, Jorhat785006, Assam, India: ... Development of feasibility assessment model for adaptation of underground coal gasification technology in the NorthEast Region of India. (GAP 0261). ... Life member of Materials Research Society of India. Life Member of Assam Science ...
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Council of Scientific and Industrial Research (CSIR) Ministry of Science and Technology, India. Toggle navigation ... Sonochemical Processing of Coal and Minerals; Process Intensification by Cavitation ... Suddhasatwa Basu, Sanjay M. Mahajani. Applied mineralogical investigation on coal gasification ash. Waste Management, Volume 167 ...
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summarised in Table 2. Two different runs were carried for the different types of coal. Coal particles that enter the furnace via the coal feed chute drop into the fluidised bed section and start the conversion to gas and char. The char particles move rapidly up and down between the gasification and combustion zones in the bed. The combustion
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5 List of Abbreviations 1. AFT Ash Fusion Temperature 2. BHEL Bharat Heavy Electronics Limited 3. BP British Petroleum 4. BT Billion Tons
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Fine coal gasification is a key enabling technology for the implementation of IGCC plants. Fluidised bed gasification is being evaluated by the CSIR as a potential fine coal gasification process for incorporation into future IGCC plants. A suite of four South African coals has been identified as being possible fuels for
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الهند غنية بالموارد المعدنية المختلفة وهي سوق مهم لمعالجة المعادن
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