process of coal extraction upsc

UPSC Prelims 2019 Answer Key Analysis

UPSC Prelims 2019 Answer Key Analysis

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 .

Pollution from Coal Burning: IEACCC

Pollution from Coal Burning: IEACCC

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:

Shale Gas

Shale Gas

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 ...

Natural Gas Hydrates: Ocean Exploration

Natural Gas Hydrates: Ocean Exploration

WEBOct 11, 2023 · Natural gas hydrates are a mixture of icelike forms of water and gas in molecular cavities. As a result of their abundance and benefits in addressing upcoming energyrelated challenges, natural gas hydrates are gaining more and more attention in the energy sector. The world has been facing an energy crisis with a consistent rise in oil .

The Shale Gas

The Shale Gas

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 .

Mining Pollution

Mining Pollution

WEBSep 15, 2022 · Mining is the extraction of minerals and other geological materials of economic value from deposits on the earth. Mining has the potential to have severely adverse effects on the environment including loss of biodiversity, erosion, contamination of surface water, ground water, and soil. Effects of Mining on Environment Bad mining .

Increasing Demand of Coal

Increasing Demand of Coal

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.

Minerals

Minerals

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.

Coal Gasifiion

Coal Gasifiion

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?

Coal: Necessary for India's Green Transition

Coal: Necessary for India's Green Transition

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 ...

What is Commercial Mining?

What is Commercial Mining?

WEBCommercial mining allows the private sector to mine coal commercially without placing any enduse restrictions. The private firms have the option of either gasifiion of the coal or exporting it. They can also use it in their own enduse plants or sell them in the markets. The government expects more than Rs 33,000 crore of capital ...

Coal Crisis in India | UPSC

Coal Crisis in India | UPSC

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 .

How to increase production of coal

How to increase production of coal

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 .

Hydrocarbons: Formation, Forms, Uses, and Exploration

Hydrocarbons: Formation, Forms, Uses, and Exploration

WEBApr 16, 2024 · About Hydrocarbons. The term 'hydrocarbon' means compounds of carbon and hydrogen only. Hydrocarbons are the critical energy storage molecules within all major types of fossil fuels (including coal, oil, and natural gas) and biofuels. Burning hydrocarbons in the presence of oxygen (O2) produces carbon dioxide (CO2) and water (H2O).

A review of coal bed methane production techniques and .

A review of coal bed methane production techniques and .

WEBAug 15, 2023 · The extraction process of CBM involves the dewatering of coal seams, enabling the release of trapped methane gas [1].However, one of the primary challenges encountered during CBM production is the significant amount of water that accompanies the extracted gas [2].This water, known as produced water, poses a major problem in terms .

Rat Hole Mining – Meghalaya East Jaintia Hills | UPSC – IAS | Pib

Rat Hole Mining – Meghalaya East Jaintia Hills | UPSC – IAS | Pib

WEBJan 15, 2019 · Negative impacts of Rat Hole Mining | UPSC – IAS | Pib. Environmental Degradation: It has caused the water in the Kopili river (flows through Meghalaya and Assam) to turn acidic. Pollution: Roadsides used for piling of coal leads to air, water and soil pollution. Exploitation of workers: Maximum mining in Meghalaya is from rat hole .

Liberalisation of Coal Mining

Liberalisation of Coal Mining

WEBJan 13, 2020 · Liberalisation of Coal Mining. This article is based on Coal comfort, Mining deep: on Cabinet easing mining laws. It talks about the impliions of Min­eral Laws (Amend­ment) Or­di­nance 2020 on Coal Mining Sector in India. India is one of the largest coal producers in the world with an output of 729 million tonnes in 201819.

Rat Hole Mining

Rat Hole Mining

WEBContext of Rat Hole Mining. On 13 December, 2018, at least 15 workers were trapped in a 320350 feetdeep coal mine in the East Jaintia Hills district of Meghalaya after it was flooded by waters of the nearby Lytein river. Rescue operations led by the National Disaster Response Force and the Indian Navy was on the scene to loe the trapped ...

Karnataka Iron Ore Mining

Karnataka Iron Ore Mining

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, .

The Mines and Minerals (Development and Regulation ...

The Mines and Minerals (Development and Regulation ...

WEBOct 10, 2023 · Background. The mining sector of India is regulated by the Mines and Minerals (Development and Regulation) Act, 1957 and mandates the requirement for granting leases for mining operations.. The alloion of mineral resources, prior to 2015 was through the 'first come first serve' method which was a discriminatory method, and .