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 .
WhatsApp: +86 18203695377
WEBApr 5, 2019 · What are the Advantages of Biofuels? Availability: Biofuels are produced from biomass and thus are renewable. Source Material: Whereas oil is a limited resource that comes from specific materials, biofuels can be manufactured from a wide range of materials including crop waste, manure, and other byproducts. Environment Pollution: Biofuels do .
WhatsApp: +86 18203695377
WEBOct 9, 2023 · Mining is an essential part of modern day industries, but it also has a significant impact on process of mining involves the extraction of valuable minerals and ores from the earth's surface.. Effects Of Mining On Environment Are: Deforestation: Mining operation often requires the clearing of forests and other .
WhatsApp: +86 18203695377
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 .
WhatsApp: +86 18203695377
WEBNov 14, 2021 · As the Indian economy began to revive after facing the huge shock posed by the second wave of the Covid19 pandemic, another shock shook the nation when those coalfired power stations, which produce around 70 per cent of India's power, announced in early October 2021 that they had an average of four days of coal left, the lowest in .
WhatsApp: +86 18203695377
WEBJul 31, 2023 · The HallHeroult process is predominantly used in the extraction of aluminium. In this process, pure Al 2 O 3 is mixed with CaF 2 or Na 3 AlF 6 . This lowers the melting point of the mixture and increases its ability to conduct electricity. A steel vessel with a lining of carbon and graphite rods is used.
WhatsApp: +86 18203695377
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 ...
WhatsApp: +86 18203695377
WEBNov 30, 2023 · Rathole mining, a method of manual drilling common in Meghalaya, involves skilled workers digging narrow pits just wide enough for one person. The term "rat hole" refers to these pits used to extract coal. This method is hazardous, illegal in many countries due to safety concerns, and has faced criticism for its environmental impact.
WhatsApp: +86 18203695377
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).
WhatsApp: +86 18203695377
WEBOct 18, 2022 · According to Global Energy Monitor (GEM) Report, India's Coal Mines are severely underutilized amid push for new ones. GEM is a firm that tracks fuelsource utilization globally. It studies the evolving international energy landscape, creating databases, reports, and interactive tools that enhance understanding.
WhatsApp: +86 18203695377
WEBFeb 8, 2024 · Source: The post phasing out fossil fuels equitably has been created, based on the article "Equity concerns in banning fossil fuel extraction" published in "The Hindu" on 8th February 2024.. UPSC Syllabus Topic: GS Paper 3 – Environment – Environmental pollution and degradation, Environmental Impact Assessments (EIA) News: The article .
WhatsApp: +86 18203695377
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 ...
WhatsApp: +86 18203695377
WEBNov 19, 2021 · The process requires around 5 to 9 million litres of water per extraction activity, posing a daunting challenge to India's fresh water resources. Tight Oil. Definition: Tight oil is light crude oil contained in petroleumbearing formations of low permeability, often shale or tight sandstone. Production:
WhatsApp: +86 18203695377
WEBShale oil extraction methods: Mined shale oils are transported to the processing plants, heated to 500 O C, and oil comes out from these rocks. Situ technique: Oil shale is broken by explosion and Kerogen comes out like crude oil from these rocks. Negative Consequences by using the Shale Gas: It requires large amounts of water, on an .
WhatsApp: +86 18203695377
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.
WhatsApp: +86 18203695377
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 ...
WhatsApp: +86 18203695377
WEBMay 13, 2021 · Bauxite Distribution (Mining Centres) in India. Orissa –. Orissa is the largest producer, which produces about 50% of the total bauxite production of the country. The main bauxite belt is in Kalahandi, Koraput, and Baragarh districts. This is the largest bauxitebearing region of the country. This 300 km long, 40 to 100 km wide and 950 to ...
WhatsApp: +86 18203695377
WEBMar 9, 2024 · Economic Considerations: Coal mining and related industries support millions of jobs and contribute significantly to India's economy. A sudden shift away from coal could result in job losses and economic instability in coaldependent regions. Also, currently, renewable energy sources like solar and wind are not as costeffective as coal.
WhatsApp: +86 18203695377
WEBJan 20, 2024 · Land Degradation: Rathole mining results in erosion of topsoil. This leaves a large tract of land scarred and barren. Air Pollution: Rathole mines, usually, lack proper ventilation. Also, by making coal available, it promotes coal burning. All these exacerbate the problem of air pollution.
WhatsApp: +86 18203695377
WEBAlthough the United States has the vast coal resource described in the previous chapter, perhaps as much as 4 trillion tons, the key issue for policy makers is the amount of coal that is economically is not a fixed quantity, but depends on the geological resource, the market price, and the cost of mining. The particular characteristics of the .
WhatsApp: +86 18203695377
WEBAug 8, 2023 · Mines and Minerals Bill 2023 endeavours to stimulate private sector involvement through: Expanding Mining Opportunities: The Bill excludes six atomic minerals that were previously reserved exclusively for government entities; Enabling Exploration Activities: The Bill overturns the Act's prohibition on certain exploration .
WhatsApp: +86 18203695377
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". .
WhatsApp: +86 18203695377
WEBoutside the mining area for placement and storage. In the Midwest, where the surface topography and coal seams are generally flat, it is common to employ area strip mining in which the fragmented overburden is placed directly by large draglines in the space created where coal has been mined ().In some situations in the eastern United States, a coal .
WhatsApp: +86 18203695377
WEBJul 18, 2022 · The financial community has to be sensitised to the need of increasing domestic coal production to meet the growing energy demand. The draft National Electricity Policy released in May 2021, recognised the need to increase coalbased generation. This policy has not yet been finalised. It should clearly articulate the importance of domestic .
WhatsApp: +86 18203695377
WEBFeb 17, 2021 · CCUS is the process of capturing waste CO 2, transporting it to a storage site and depositing it where it will not enter the atmosphere. Coal Burning and Pollution. Coal Formation: Formed deep underground over thousands of years of heat and pressure, coal is a carbonrich black rock that releases energy when burned. Air Pollution:
WhatsApp: +86 18203695377
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.
WhatsApp: +86 18203695377
WEBJan 21, 2024 · A3: UPSC NCERT notes on Geography cover various types of mineral resources, including metallic minerals (like iron, copper, and gold), nonmetallic minerals (such as limestone and gypsum), and energy resources like coal, petroleum, and natural gas. The notes provide insights into their occurrence, extraction methods, and .
WhatsApp: +86 18203695377
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.
WhatsApp: +86 18203695377
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).
WhatsApp: +86 18203695377
WEBNov 28, 2023 · What is Rat hole mining: It 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 .
WhatsApp: +86 18203695377![[pib] Role of the Coal Controller's Organisation (CCO)](/xzd39n7/129.jpg)
WEBApr 25, 2024 · Coal Sector in Indian Economy: The Indian coal sector is one of the 8 core sectors contributing heavily to the economic development of India.; In India, there are 4 grades of coal available: Lignite, Bituminous, SubBituminous, and Anthracite, and out of which Anthracite is the highest grade of coal.; More than 70% of Coal reserves in India .
WhatsApp: +86 18203695377
WEBSep 30, 2023 · Coal mining involves extracting coal from either underground mines or openpit mines, which is then used for various purposes such as energy production and industrial processes. ... Coal Mines in India UPSC. Understanding coal mines in India is important for the UPSC exam because they play a crucial role in the nation's energy .
WhatsApp: +86 18203695377
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 .
WhatsApp: +86 18203695377
WEBMar 1, 2024 · The Nagaland Coal mining policy, established in 2006, permits rathole mining due to the stered nature of coal deposits, making largescale operations unfeasible. Rathole mining is a method of extracting coal from narrow horizontal tunnels or ratholes, which are often dug by hand and are prone to accidents and environmental .
WhatsApp: +86 18203695377
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
Copyright © 2023 GMC Co., Ltd. SiteMap
