WEBSep 2, 2022 · What is EAuction in Iron Ore Mining? About: An eauction is a transaction between sellers (the auctioneers) and bidders (suppliers in the business to business scenarios) that takes place on an electronic marketplace.; Process: After the completion of every bid, a threemember monitoring committee, appointed by the Supreme Court, .
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WEBMar 5, 2024 · Iron Ore. Iron ores are rocks and minerals from which metallic iron can be extracted.; India has large iron ore reserves. It occurs in various geological formations but major economic deposits are found in volcanosedimentary Banded Iron Formation (BIF) from the Precambrian age.; Magnetite is the finest iron ore with a very high content of .
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WEBOct 17, 2021 · Coal in India April 2022 – According to the National Power Portal, 11 of the 14 imported coalfired power plants had critical stocks as of April 12. Their daily stock need is lakh tonnes, and they have MT on hand, which will .
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WEBFeb 17, 2024 · Coal gasifiion is a thermochemical process that converts coal into a synthesis gas, or "syngas," by reacting coal with oxygen, steam, or a combination of both at high temperatures and pressures. Process: Coal Preparation: Before gasifiion, coal undergoes preparation to remove impurities such as sulfur, ash, and moisture, which can ...
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WEBNov 22, 2022 · Continued expansion of India's economy is expected during, with annual average GDP growth of %, fuelled partially by coal. India's push to domestic coal mining through both Coal India and auction of coal blocks to private companies, coal usage in India will increase as it plateaus in other parts of the world, including China.
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WEBAug 26, 2020 · The process is used heavily in the chemical industry, for example, to produce ethylene, many forms of carbon, and other chemicals from petroleum, coal, and even wood, to produce coke from coal. Get an IAS/IPS ranker as your 1: 1 personal mentor for UPSC 2024. Attend Now
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WEBJun 19, 2020 · Coal gasifiion 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 coal gasifiion process holds good potential in the future, with coal being the most abundantly available fossil fuel across the world, and that even lowgrade ...
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WEBJan 27, 2024 · About: A thermochemical process that converts coal into simple molecules, primarily carbon monoxide and hydrogen, called synthesis gas or syngas. Mechanism: In the gasifiion process, coal is partially oxidised by air, oxygen, steam, or carbon dioxide under controlled conditions to produce a liquid fuel known as syngas.
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WEBMar 4, 2024 · A: Underground Coal Gasifiion (UCG), also known as insitu gasifiion, is a process where coal is converted into gas within the coal seam itself. The gas is then retrieved through wells. This method offers an alternative to traditional coal extraction and combustion. Q3: What are the byproducts of coal gasifiion, and how are they utilized?
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WEBJan 5, 2024 · Coking Coal. Coking coal (or metallurgical coal) is a bituminous coal with a suitable quality that allows the production of metallurgical coke, or simply named coke. Coking coal has a higher carbon content than steam coal, as well as a lower level of sulphur, phosphorous and alkalis (World Coal Institute 2009).
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WEBJul 31, 2023 · According to predictions by NITI Aayog, the demand for coal is likely to rise to between billion tonnes by 2030. The introduction of commercial mining is expected to stimulate competition and enhance the supply of coal. Key Aspects of Commercial Mining. Competitive bidding process that includes private sector companies.
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WEBCoal Bed Methane refers to methane that is adsorbed into the solid matrix of the coal. It is also called 'Sweet Gas' because of its lack of hydrogen sulfide. The presence of this gas is well known for its occurrence in underground coal mining, where it presents a serious safety risk. The process of anaerobic methane fermentation forms Coal Bed ...
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WEBJul 31, 2023 · Environmental Impact Assessment, commonly known as EIA, is a significant process which evaluates the potential environmental impliions of a proposed development. The EIA process not only assesses the environmental consequences, but it also takes into account the interconnected socioeconomic, cultural, and health impacts.
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WEBThe world's largest coal mining company, Coal India Limited (CIL), provides about 85% of India's domestic coal production. Orissa is the secondlargest state in terms of coal reserves, but it is also the thirdlargest coal producer, accounting for just over 15% of the country's total coal production. Therefore, option (c) is the correct answer.
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WEBJan 25, 2016 · Coals are classified into three main ranks, or types: lignite, bituminous coal, and anthracite. These classifiions are based on the amount of carbon, oxygen, and hydrogen present in the coal. Coals other constituents include hydrogen, oxygen, nitrogen, ash, and sulfur. Some of the undesirable chemical constituents include chlorine and .
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WEBJun 30, 2023 · UPSC Civil Services Examination Previous Year Question (PYQ) Mains. Q. Despite India being one of the countries of Gondwanaland, its mining industry contributes much less to its Gross Domestic Product (GDP) in percentage. Discuss. (2021) Q. "In spite of adverse environmental impact, coal mining is still inevitable for development". .
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WEBNov 29, 2023 · About: Rat hole mining is a method of extracting coal from narrow, horizontal seams, prevalent in Meghalaya. The term "rat hole" refers to the narrow pits dug into the ground, typically just large enough for one person to descend and extract coal. Once the pits are dug, miners descend using ropes or bamboo ladders to reach the coal .
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WEBOct 31, 2023 · Coal is a vital source of energy for India's economy. It powers 55% of the country's energy needs and generates 72% of India's electricity . Coal is also a vital source of jobs and economic growth. Government Revenue. Coal mining and related activities generate significant revenue for the government through royalties, cesses, levies, and ...
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WEBJun 3, 2024 · This process increases the carbon content of the coal, making it burn more efficiently and cleanly. Despite its benefits, coal washing is costly and adds to the overall expense of power generation. Coal Gasifiion: Coal gasifiion converts coal into a gas before it is burned, bypassing the need for direct combustion.
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WEBJun 23, 2023 · Coal India Ltd (CIL) is a public sector undertaking that is the largest coal producer and supplier in India. It operates under the Coal Mines (Nationalisation) Act, of 1973, which gives it a monopoly over coal mining and distribution in the country. CIL was a fully governmentowned entity until it's disinvestment in 2010.
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WEBOct 19, 2022 · Context: According to analysis by Global Energy Monitor (GEM), a firm that tracks utilisation of the fuelsource internationally – on average India's coal mines use only two thirds of the capacity with some large ones using only 1 percent. About Coal in India: India is the second largest producer and consumer of coal after China. Jharkhand is the .
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WEBDec 21, 2018 · Despite a ban, rathole mining remains a prevalent practice for coal mining in Meghalaya, where a mine has recently collapsed. Rat hole mining involves digging of very small tunnels, usually only 34 feet high, which workers (often children) enter and extract coal.; The National Green Tribunal (NGT) banned it in 2014, on grounds of it .
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WEBCoal liquefaction. Coal liquefaction is a process of converting coal into liquid hydrocarbons: liquid fuels and petrochemicals. This process is often known as "Coal to X" or "Carbon to X", where X can be many different hydrocarbonbased products. However, the most common process chain is "Coal to Liquid Fuels" (CTL).
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WEBJun 4, 2019 · UPSC Prelims Answer Key 2019 On this page Drishti IAS, will share the answer key analysis of UPSC Civil Services Preliminary Examination 2019 ... Extraction of rare earth elements (b) Natural gas extraction technologies (c) Hydrogen fuelbased automobiles ... Coal sector was nationalized by the Government of India under Indira .
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WEBShale Gas refers to the natural gas that is trapped within shale formations. Lately Shale gas has become an important source of fuel in the United States and the rest of the world itself has taken interest in the shale formations within their geographical boundaries. For more details on the exam conducted by UPSC, candidates can visit the link ...
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WEBOct 15, 2022 · Coal: Coal is one of the important minerals which is mainly used in the generation of thermal power and smelting of iron ore. Coal occurs in rock sequences mainly of two geological ages, namely Gondwana and tertiary deposits. About 80 per cent of the coal deposits in India is of bituminous type and is of noncoking grade.
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A material supplier from Belgium would like to produce limestone powder for his custome...
India is rich in various mineral resources and it is an important mineral processing market
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