India is highly dependent on coal for electricity generation. Nearly 60% of total electricity generated in India is from coal and it is the main source of the nation's greenhouse gas emissions. Nonfossil sources accounts for about 40%. The electricity generation from coalbased power plants in 202223 saw an increase of % over the previous ...
WhatsApp: +86 18838072829Mar 20, 2023. According to the sand mining framework, India requires 70 million tonnes of sand per year, with demand increasing by 7% each year. Sand mining is the process of removing sand and gravel from the ground. In India, sand mining is largely related to construction activities. Sand is becoming a highvalue commodity as a result of this ...
WhatsApp: +86 18838072829The term 'clean coal' is increasingly being used for supercritical coalfired plants without CCS, on the basis that CO 2 emissions are less than for older plants, but are still much greater than for nuclear or renewables. Some 26% of primary energy needs are met by coal and 37% of electricity is generated from coal, compared with 23% for ...
WhatsApp: +86 18838072829The coal mining sector accounts for more than 55% of India's energy needs even today. Read here to know about the new reforms in the sector. ... To expedite the process for conducting auctions and to carry out more rounds of auctions in a year, ... UPSC CSE. Know More. UPSC Prelims Mock Tests Take a FREE Mock Test Get AllIndia Ranking.
WhatsApp: +86 18838072829What 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, publishes a document that lists the details of the quality of ...
WhatsApp: +86 18838072829It is the process of producing syngas, a mixture consisting of carbon monoxide (CO), hydrogen (H2), carbon dioxide (CO2), natural gas (CH4), and water vapour (H2O). During gasification, coal is blown with oxygen and steam while also being heated under high pressure. During the reaction, oxygen and water molecules oxidize the coal and produce ...
WhatsApp: +86 18838072829Coal production of India. Coal in India has been mined since 1774, and India is the second largest producer and consumer of coal after China, mining million metric tons ( million short tons) in FY 30% of coal is imported. Due to demand, supply mismatch and poor quality with high ash content, India imports coking coal to meet the shortage of domestic supply.
WhatsApp: +86 18838072829India imports around 240 million tonnes (mt) of coal a year valued at about ₹ lakh crore. The 41 mines opened for auction now can hit a peak production of 225 mt in 202526, saving foreign exchange. A High Powered Expert Committee (2017) recommended a shift from the allocation of coal blocks for own consumption to commercial mining.
WhatsApp: +86 18838072829Recently announced Reforms in Coal Sector. Commercial mining of coal allowed, with 41 blocks to be offered to the private sector. The coal mines being auctioned are located in Chhattisgarh, Jharkhand, Madhya Pradesh, Maharashtra and Odisha. They include partially and fully explored mines. Simplified the process of the mining plan approval ...
WhatsApp: +86 18838072829Coal Gasification is the process of converting coal into synthetic gas (syngas) which is a mixture of hydrogen (H2), Carbon Monoxide (CO), and Carbon dioxide (CO2). It is an in situ process in which oxygen is injected into the seam along with water and ignited at a high temperature, which causes the coal to partially oxidize into hydrogen ...
WhatsApp: +86 18838072829>> Which gas is obtained during the process. Question . Which gas is obtained during the processing of coal? Easy. Open in App. ... Name the products obtained and their uses when coal is processed in industry. Medium. View solution > Coal can be used as a main source of: Medium. View solution > View more. More From Chapter. Coal and Petroleum.
WhatsApp: +86 18838072829Mountaintop mining: the coal is mined after the mountaintop is removed to reveal the seam. Valley fills are used for storing the removed overburden in case of limited disposal alternative. Room and Pillar coal mining: in this method, the coal is mined from a horizontal plane and an array of rooms and pillars. Longwall mining: it is a type of ...
WhatsApp: +86 18838072829Commercial mining allows the private sector to mine coal commercially without placing any enduse restrictions. The private firms have the option of either gasification 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 ...
WhatsApp: +86 18838072829That process would also require onethird less water, making it more economical. ... UPSC Civil Services Examination, Previous Year Questions (PYQs): ... Coalbed methane is the pure methane gas extracted from coal seams, while shale gas is a mixture of propane and butane only that can be extracted from finegrained sedimentary rocks. In India ...
WhatsApp: +86 18838072829Coals are classified into three main ranks, or types: lignite, bituminous coal, and anthracite. These classifications 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 sodium.
WhatsApp: +86 18838072829Coal mining taxes and royalties make up nearly 8% of state government revenue in Jharkhand. Most of the coal is transported to other states that have more facilities to burn it for power ...
WhatsApp: +86 18838072829Openpit mining is commonly used to extract metallic ores like aluminum, bauxite, copper, gold, copper, and iron as well as nonmetallic ores like coal, uranium, and phosphate. Openpit mining is ...
WhatsApp: +86 18838072829It was envisioned that the auction process of coal mines for commercial mining would give a thrust to adoption of newer and cleaner technologies like coal gasification and coal liquefaction. 20% rebate was, therefore, extended for quantity under coal gasification or liquefaction. Also, extraction of Coal Bed Methane was allowed for mine ...
WhatsApp: +86 18838072829In the process of coal mining, prevention and control of water hazard is essential. It is the precondition for water hazard control to detect and determine the distribution of underground waterconducting channels. In urban environments, traditional methods such as active source seismic exploration and transient electromagnetic exploration commonly used in the field are difficult to carry out ...
WhatsApp: +86 18838072829'Rathole' mining was used to extract coal from narrow and deep mines in Meghalaya. In January 2019, some 15 miners lost their lives when they were trapped for more than a month in one such mine.
WhatsApp: +86 18838072829Remaining matter in the coal is called volatile material such as moisture, ash content and sulfur content. These are gradually removed by metamorphic process pressure and heat. Bituminous coal has special significance because it contains Bitumen which on heating in absence of oxygen is converted into coking coal.
WhatsApp: +86 18838072829As per the latest data released by the Ministry of Mines, Government of India, mineral production in India rose by per cent yearonyear in May 2022 led by a sharp jump in the output of coal, gold, phosphorite, and bauxite. India's mining sector has vast potential given it produces 95 minerals, including 10 metallic and 23 nonmetallic. The Government is keen on prioritizing coal and ...
WhatsApp: +86 18838072829Coal India Limited (CIL) is making headlines for its innovative solution to the sand shortage problem. The company is using crushed rock fines (crusher dust), sand from Overburden (OB) of coal mines and soil removed during opencast coal mining, to produce Manufactured Sand (MSand). This not only repurposes waste materials but also reduces the ...
WhatsApp: +86 18838072829It is an unconventional form of natural gas found in coal deposits or coal seams. CMB is formed during the process of coalification, the transformation of plant material into coal. ... Methane is a greenhouse gas emitted through CBM extraction. ... revolutionised and simplified the way aspirants prepare for UPSC Civil Services Exam. Today it ...
WhatsApp: +86 18838072829The presence of this gas is well known from its occurrence in underground coal mining, ... Extracting unconventional gas is a capital intensive process and at the present levels of gas prices, the companies cannot recover their investments. ... The validity of the Current Affairs for UPSC 2024 is from July 2023 to December 2024 (18 months).
WhatsApp: +86 18838072829Coal Mines in India Challenges Coal Mining in India is faced with several challenges, including: Environmental degradation: Coal mining has a significant impact on the environment, including air, water, and soil pollution. Mining activities can cause deforestation, soil erosion, land subsidence, and the destruction of wildlife habitats.
WhatsApp: +86 18838072829The 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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