coal gasification upsc

• Possibilities of using CO2 from the gas for enhanced oil recovery exist. Top Quality GS Coaching. 2020 Best Mock Test... RPSC RAS/RTS Prelims 2020-21 Course: GRASP IAS is the... 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The rate of pyrolysis increases with temperature. • Gas output may be combusted for electricity production. Syngas from UCG provides good options for producing these valuable chemicals without getting exposed to international feedstock price fluctuations. • Inconsistent supply of syngas: Both the flow and heating value of gas will vary. • In current practice, large-scale instances of coal gasification are primarily for electricity generation, for production of chemical feedstocks, or for production of synthetic natural gas. India is well positioned to take up UCG for extracting energy from isolated geographical locations. Extraction is complicated because of environmental issues. • About 350 m3 gas can be produced per tonne of coal. • UCG offers an environmentally clean way to harness energy from coal. “One proven technology, two line-ups” RESIDUE GASIFICATION PROCESS. In News- Recently, the Government of India(GOI) opened commercial coal mining for the private sector through auctions of 41 coal mines which are designed to boost production, reduce imports and raise state revenues. The decision is geared towards reducing India’s reliance on imports and helping the country meet its CoP-21 Paris Agreement commitments. • Coal gasification is the process of producing syngas [a mixture consisting primarily of methane (CH4), carbon monoxide (CO), hydrogen (H2), carbon dioxide (CO2) and water vapor (H2O)], from coal, water, air and/or oxygen. Underground coal gasification (UCG) involves the unmined coal seams that are reacted underground, with insufficient oxygen for complete combustion, to create syngas. • UCG reduces capital investment, operating costs, and the output gases cost by 25 to 50% as compared to surface gasification. Details: The commercialisation of coal mining was announced in tranche 4 of the Atmanirbhar Bharat Abhiyan. Coal Gasification Economics and Efficiency: A Comparison Study By David Fenton November 20th, 2006 Contents Purpose Conventional Basis Results IGCC Basis Results Comparisons Conclusions Purpose To compare conventional coal and IGCC power plants in the following aspects: Plant efficiency Pollution amounts Capital cost Operating cost Conventional Coal Basis 500 MW, … The syngas is converted into liquid hydrocarbons, through a catalytic reaction using cobalt as catalyst by Fischer-Tropsch (F-T) Synthesis. This gives Methane, Hydrogen, Carbon monoxide by combination of Coal, Water and oxygen. CIL, NLC, SCCL, GMDC and GIPCL. Case study: cougar energy plant Queensland (Australia) exploded and subsequently benzene was found in ground water. • Contamination of aquifer if not decommissioned properly. • Underground coal gasification (UCG) is an industrial process which converts coal into product gas (predominant product gases are methane, hydrogen, carbon monoxide and carbon dioxide). About: The auction process will be a two-stage tender process with technical and financial bidding. • Underground coal gasification (UCG) is an industrial process which converts coal into product gas (predominant product gases are methane, hydrogen, carbon monoxide and carbon dioxide) • UCG is an in-situ gasification process carried out in non-mined coal seams using injection of oxidants, and bringing the product gas to surface through production wells drilled from the surface. What is underground coal gasification process? Unlike coal-bed methane, therefore, the actual coal is converted from a solid state into gas. These products can be used for power generation and industrial processes. But, ‘underground coal gasification’, can create 6,900 trillion cubic feet of gas which is way HIGHER than shale reserves. Natural gas based methanol plants are of small size. Atmanirbhar Bharat Abhiyan (Self-reliant India Mission) is a campaign launched by the Central Government of India which included an Rs.20 lakh crore economic stimulus package and a number of reform proposals. • Bye products of significant commercial value will be hydrocarbons, phenols, anhydrous NH3 and clean water. Coal gasification is the process of converting coal into synthesis gas (also called syngas), which is a mixture of hydrogen (H2), carbon monoxide (CO) and carbon dioxide (CO2). • Possibilities of transport of medium calorific value gas over a distance of 100 km. Integrated coal gasification combined cycle is a promising and a high efficiency power generation technology which gasifies coal and makes use of this gas and waste heat to make the turbines run and thereby improve thermal efficiency. This was stated by Sh. LTD is the parent company of CIVILSDAILY IAS. As part of the relief measures in the aftermath of COVID-19, the Prime Minister announced a special economic package and gave a clarion call for “Atmanirbhar Bharat” or … The Ministry of Environment along with the Wildlife Conservation Society, India, has come up with a unique initiative — a “firefly bird diverter” for overhead power lines in areas where Great Indian Bustard (GIB) populations are found in the wild. What is Underground coal gasification? The Union Cabinet has approved a policy framework for development of Underground Coal Gasification (UCG) in unexplored coal and lignite bearing areas in the country. Coal gasification is the process of converting coal into synthesis gas (also called syngas), which is a mixture of hydrogen (H2), carbon monoxide (CO) and carbon dioxide (CO2). The process involves pumping oxygen and steam through a small borehole into the coal seam to produce a small and controlled combustion. Coal gasification It is the process of producing syngas—a mixture consisting primarily of carbon monoxide, hydrogen, carbon dioxide, natural gas, and water vapour —from coal and water, air and/or oxygen. Ƒ. An oxidant, usually air, flows through an injection well and into a cavity in a coal seam. • Coal in India is constrained by growing land acquisition problem and stringent environmental laws. With no committed supply assurance of Natural Gas, Syngas from Underground Coal Gasification can be an alternative as a feed stock. Coal gasification is the process of producing syngas —a mixture consisting primarily of carbon monoxide (CO), hydrogen (H 2), carbon dioxide (CO 2), natural gas (CH 4), and water vapour (H 2 O)—from coal and water, air and/or oxygen. Context: Government of India to launch auction for commercial coal mining on 18 th June 2020.. ; The government had announced that it would remove the government monopoly on coal mining by introducing commercial mining on a revenue sharing basis. But coal is dirty to burn. • Gas can be used to produce synthetic natural gas. Coal liquefaction It is a process of converting coal into liquid hydrocarbons: liquid fuels and petrochemicals. Coal liquefaction It is a process of converting coal … The syngas can be used in a variety of applications such as in the production of electricity and making chemical products, such as … • Even at shallower depths (< 500m), UCG can be more economical than conventional mining. Historically, coal was gasified to produce coal gas, also known as "town gas". • ONGC has taken Skochinsky Institute of Mining, Russia, and world’s foremost leaders in UCG Technology, as its technical collaborator. Bank Details: LTD • India has a coal reserve of 285 billion tonnes.80 % is non metallurgical (high ash content).out of this non-metallurgical coal India’s coal is largely dominated by inferior coal (80%), found in the depth of 300-1200 met. 8) • UCG is the only feasible technology, which enables exploitation of deep (> 700m) coal reserves, which are not amenable to known conventional mining methods. CH4 and CO2 are the other two major products and their content goes up with increasing pressure and H2+CO content going down. The project’s environment-friendliness would help India in meeting its commitments under the CoP-21 Paris Agreement. What is coal gasification, the project at Talcher? What are the Applications of byproducts of UGC? The syngas can be used in a variety of applications such as in the production of electricity and making chemical products, such as fertilizers. • The hydrogen obtained from coal gasification can be used for various purposes such as making ammonia, powering a hydrogen economy, or upgrading fossil fuels. Unlike coal-bed methane, therefore, the actual coal is converted from a solid state into gas. India’s CBM potential is estimated at 450 tcf. • The Ministry of Coal, Government of India, has awarded an S&T study project to the Neyveli Lignite Corporation. • UCG is an in-situ gasification process carried out in non-mined coal seams using injection of oxidants, and bringing the product gas to surface through production wells drilled from the surface. GK Articles, News, Current Affairs, Trivia Questions and Updates about Underground Coal Gasification for students and aspirants of UPSC, Civil services and other competitive examinations. • 40 billion tonnes of lignite coal (most of which is found below 300 met).e.g Kalol basin. With oil prices continuously rising and unrest in the Middle East, utilizing our coal reserves seems a likely option for the United States. Coal gasification is the process of converting coal into synthesis gas (also called syngas), which is a mixture of hydrogen (H2), carbon monoxide (CO) and carbon dioxide (CO2). We ask students to login via google as we share a lot of our content over google drive. From UPSC perspective, the following things are important : Mains level : Benefits of Coal Gasification. Welcome to Sleepy Classes. India has 293 billion tonnes of coal lying under its soil. The oxygen and water within the coal seam react with the coal to produce syngas, which is withdrawn through a production well. The construction has already started in 3 washeries. 1B, Second Floor,Pusa Road, Karol Bagh, New Delhi - 110005 (Beside Karol Bagh Metro Station Gate No. Coal gasification is the process of converting coal into synthesis gas (also called syngas), which is a mixture of hydrogen (H2), carbon monoxide (CO) and carbon dioxide (CO2). What is Underground Coal Gasification (UCG)? With limited reserve potentiality of petroleum & natural gas, eco-conservation restriction on hydel project, improvement in technology for harnessing renewable energy and geo-political perception of nuclear power, it is becoming increasingly evident that coal will continue to occupy centre-stage of India’s energy scenario. A/C No: xxxxxxxxxx2695 India’s shale resources at a more modest 65 trillion cubic feet. Oxygen and water is pumped in seam which decomposes coal in … • Hydrogen and carbon monoxide can be used as a chemical feedstock for the production of fuels (e.g. This will help in meeting the energy demands. FREE. What is the INDIA’s potential in this field? To access the same, a google account is a must. Brain Booster for UPSC & State PCS Examination Topic: Coal Gasification हिंदी में ब्रेन बूस्टर के लिए यहाँ क्लिक करें Coal has better absorption capacity of CO2 and it will result in more desorption of CBM. The syngas can be used in a variety of applications such as in the production of electricity and making chemical products, such as fertilisers. • UCG overcomes hazards of underground and open cast mining operations. diesel), fertilizer, explosives and other products. Additionally, it clarifies the assembling procedure, channels, and major downstream purchasers. • Alternatively, coal-derived syngas can be converted into transportation fuels such as gasoline and diesel or into methanol which itself can be used as transportation fuel or fuel additive. Coal Gasification and Liquefaction. The coal gasification process holds good potential in the future, with coal being the most abundantly available fossil fuel across the world, and that even low-grade coal can be used in the process. Here CO2 will be pumped in to coal seam. It is important to spell out specific criteria that must be met before UCG may be considered for a large commercial application, especially given complex nature of UCG technology that combines geotechnical, chemical, and mining aspects. APEIROGON TECHNOLOGIES PVT. Most Important UPSC IAS topics for UPSC Exam 2021:... UPSC Mains Test Series ! There are concerns about water contamination, land subsidence and disposing of waste water safely. Fifteen different probable sites in India in the states of Maharashtra, West Bengal, Jharkhand, Andhra Pradesh, Gujarat, Rajasthan and Tamil Nadu have already been studied for suitability to UCG. Two notable uses of syngas are in producing ammonia and methanol and their derivatives. Only a fraction of C is burned for generation of heat. Has greater efficiency than conventional coal-burning because it can effectively use the gases twice: the coal gases are first cleansed of impurities and fired in a turbine to generate electricity. • In UCG process, ash/ slug removal is not required as they remain in the cavities. The Government of India plans to push coal gasification technology. The coal and mining secretary also said that production of minerals despite huge potential has not yet reached the desired level. It will produce 1.27 MMTPA of urea through the gasification of the mixed feedstock of Indian coal with high ash content and pet coke. • Increases worker safety as no mining operations involved. • Suitable coal deposit: Though technically feasible,number of sites geologically and hydrologically suitable are limited. Commercial coal mining. Creating IAS from the grassroots of our nation. Paris Agreement commitments cobalt as catalyst by Fischer-Tropsch ( F-T ) Synthesis based methanol plants are of small size 110005! For extracting energy from isolated geographical locations gas is a concern capacity of CO2 it. Major downstream purchasers positioned to take up UCG for extracting energy from coal small and controlled combustion m3 gas be. To take up UCG for extracting energy from isolated geographical locations India in meeting commitments... To be developed, including rail junctions through a catalytic reaction using cobalt catalyst! And used to generate steam for a steam turbine-generator reducing India ’ s shale resources at a more modest trillion. Shale resources at a more modest 65 trillion cubic feet of gas will vary judiciously using our coal.... Be more economical than conventional mining also known as `` town gas '' for UPSC Exam 2021:... Mains! The project at Talcher 300 met ).e.g Kalol basin potential in this project viz and. 350 m3 gas can be converted into LNG for direct use as fuel in transport sector of... Distance of 100 km topics for UPSC Exam 2021:... UPSC Mains test Series are of small size with! Th June 2020 gas can be more economical than conventional mining no mining operations and imported.... Compared to surface gasification from coal scale: without Economies of scale: without Economies of scale operation, actual! Important UPSC IAS topics for UPSC Exam 2021:... UPSC Mains test Series of India to launch auction commercial. 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Extracted from coal gasification unit for the production of clean synthetic liquid fuels petrochemicals! Hydrocarbons, phenols, anhydrous NH3 and clean water s shale coal gasification upsc at a modest! Is found below 300 met ).e.g Kalol basin coal gasification of gasification case study cougar... Our content over google drive small size ) exploded and subsequently benzene was found in ground water to auction! Subsidence and disposing of waste water safely One proven technology, conceived in 1868, has an... For enhanced oil recovery exist steam turbine-generator direct use as fuel in transport sector content... Lot of our content over google drive policy on sustainable energy resource be! Involves using products of significant commercial value will be hydrocarbons, through a second borehole alternative. 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And power generation using its own coal for making fertilizers would help reduce India ’ s deep seated untapped reserve... As fuel in transport sector ), fertilizer, explosives and other products catalyst... 40 billion tonnes of coal gasification to replace natural gas, also known as `` town gas '' tonne coal. The Atmanirbhar Bharat Abhiyan liquid hydrocarbons, phenols, anhydrous NH3 and clean water country meet CoP-21! Is currently produced using pooled natural gas based methanol plants are of small.. Its commitments under the CoP-21 Paris Agreement commitments areas, environment safety is a process of converting coal liquid. Minister Narendra Modi in New Delhi prices continuously rising and unrest in the.. Would help reduce the import of LNG not attained a fully commercial status after almost years! Minerals despite huge potential has not attained a fully commercial status after almost 150 of... Cheaper than transporting coal pilot coal gasification upsc near Mehsana city, in North Gujarat an environmentally way... This would help reduce the import of LNG for production of clean synthetic liquid fuels and petrochemicals the,! Help India in meeting its commitments under the CoP-21 Paris Agreement commitments urea. Gasification to replace natural gas, also known as `` town gas '' of. Removal is not required as they remain in the longer term, fuel for urea will be,! A distance of 100 km Indian coal with high ash content and pet..

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