Table 2 Metal contents in mine water (l g/L) in few coal mines in northeast India, India and the world Parameter Fe Cu Mn As Zn Ni Pb Cr Cd References Jaintia coalfield (Meghalaya, India) 118,400 ...
Jan 01, 2014· Jharia Coal field (JCF) in Jharkhand is the richest coal bearing area in India, which contains large quantities of high grade coking coal. The conventional coal fuel cycle is among the most destructive activities on the earth, threatening the health, polluting the air …
India is the world's largest producer of sponge iron, accounting for 13 per cent of the global production 8. Sponge iron is produced using either coal or natural gas. Since coal is available in India, the sector largely depends on coal based sponge iron which contributes about 80 per cent of the total capacity in the country9.
Minutes of the 46th meeting of the Standing Committee on Safety in Coal Mines held on 6th July, 2021 in New Delhi under the Chairmanship of Hon'ble Minister of Coal and Mines.1.42 (02/08/2021) E-Auction of E-Waste and other items in the Ministry of Coal. 6.05 (30/07/2021)
Later on the management of 711 coal mines was also taken over by the Government with effect from 31.1.1973 and they were nationalised w.e.f. 1.5.1973 and a new Government Company namely, Coal Mines Authority Limited (CMAL) with headquarters at Calcutta, was set up by the Government in May, 1973 to manage non-coking coal mines.
Dec 31, 1994· @misc{etde_49142, title = {Coal: resources, properties, utilization, pollution} author = {Kural, O} abstractNote = {This book comprises of 32 chapters and includes topics on formation and classification of coal; physical, chemical, thermal, petrographic, and mechanical properties of coal; coal mining methods; computer applications in the mining industry; reserves, production and marketing of ...
The mining Industry has to discharge millions of gallons of water every day to the adjacent water courses thereby may cause water pollution problems in and around the mining areas. Mine water discharge also forms the main source of various water supplies particularly potable in the thickly populated coal fields. A classification of mine waters ...
Directions of the Central Government for auction of coal mines under the CM (SP) Act, 2015. Minutes of 4th meeting held on 12-7-2018 under chairmanship of Additional Secretary (Coal) to identify additional coal / lignite blocks for allocation under rule 3 (2) of the Coal Blocks Allocation Rules, 2017.
Coal mining adversely affects the ecosystem as a whole. Coal mining is usually associated with the degradation of natural resources and destruction of habitat. The method of waste disposal affects land, water and air and it turns the quality of life of the people adjacent areas.
However, the coal washing requires extra water and it can turn towards a pollution free society. Key words: pollution, coal mine, global warming. 1. Coal mining in India Pollutants produced in mining to burning of coal of pollutants damaging even the ozone layers.
Jun 06, 2020· For the assessment of coal mine water quality, systematic sampling was carried out during 2013–2014 [].Representative mine water samples were collected from the mine sump of three Indian coal mines using narrow mouth pre-washed polyethylene jars. pH was determined by using pH meter as specified by standard method (APHA []).TSS and TDS was determined as specified by standard method IS: 3025 [].
During mining operations, enormous amounts of groundwater are drained from aquifers so mining companies can access coal seams – up to 10,000 litres per tonne of coal. A series of proposed mines in Australia's Galilee Basin is projected to extract 1,343 gigalitres of water …
Possibly one of the scariest environmental effects of coal mining is the threat of acid rain. The high acidity of AMD remains in the water supply even through evaporation and condensation, which enables it to stay in the atmosphere and eventually return in the form of "acid rain," thus perpetuating the cycle of pollution.
Feb 26, 2021· Govt says major thrust on sustainable development in coal mining. New Delhi, Feb 26 (PTI) The Centre on Friday said it has put a major thrust on sustainable development in coal mining and is ...
Jul 09, 2019· The state produces an abundant amount of coal as most of the coal-mines are situated in this region. There are few demerits of such coal-mines such as air, water, and soil pollution. Coal-mine Hazards: Due to large-scale coal-mines and proliferating growth of industries related to coal. The state is vulnerable to various types of diseases.
Water drainage from coal mines is highly acidic and contains high concentrations of different toxic chemical substances (Council for Scientific and Industrial Research 2009). Acid mine water drainage in South Africa as in other countries over the years has resulted in serious degradation of the water quality.
Nov 25, 2012· HD Mining International Ltd., Canadian Dehua International Mines Group and Huiyong Holdings B.C. sided with the federal government in arguing the trade unions should not have access to those permits. The permits will allow 200 to 300 miners from China to come to northern B.C. to work at the Murray River Coal Mine near Tumbler Ridge.
Mine water flooding from the mines are pumped into the nearby streams and rivers thereby polluting them. About 350 MLD mine water are discharged into river from the mines. Besides mine water, greater impact is laid on river water quality by coal washery effluents canying high TSS (66122310). TDS (291-729), Oil and Grease (1.73-4.62
Jun 23, 2020· The coal ministry will auction 41 new coal mines, many of which are located in the dense forests of central India. These mines will require INR 330 billion (USD 4.3 billion) in capital investment in the next five-seven years and raise the nation's output by 225 million tonnes, the ministry said.
Apr 29, 2015· Contamination of banks and water of Damodar river by coal washery slurry flowing into it. Pic: Shripad Dharmadhikary. This has resulted in the region being one of the most polluted in India – with dust and smoke from the mines, from coal transport, overburden of the mines, ash from power plants, and the effluents and rejects from washeries.
Table 3.1: WFD water bodies impacted by abandoned coal mines (RBC2) 11 Table 4.1: WFD water bodies impacted by abandoned non-coal mines (RBC2) 15 Table 4.2: Pilot treatment plants at abandoned metal mines 18 Figure 2.1 Sources and pathways for mining pollution 2 Figure 2.2 Typical ochre deposition downstream of an abandoned coal mine ...
COAL PRODUCTION. Through sustained programme of investment and greater thrust on application of modern technologies, it has been possible to raise the All India production of coal at 730.87 million tonnes in 2019-20 (Provisional).The all India Production of coal during 2020-21 were 716.01 MT (Provisional) with a negative growth of -2.03%.. Coal India Limited (CIL) and its subsidiaries ...
Water Pollution in the Mining Industry: cWater is a limited resource on this planet. Regardless of this fact, it is a desired and necessary resource in every and industry, but yet there are some industries where water is wasted and polluted with no further thought or action.
Apr 27, 2021· The water of streams and rivers of all three regions (Jaintia, Khasi and Garo) have been found affected by coal mining. The adverse effects are severe in Jaintia Hills as most of the streams in coal mining areas have become highly acidic. However, in Garo Hills, only a few rivers or stretches of rivers have turned acidic due to coal mining.
Coal And Water Pollution; Coal And Water Pollution. 1071 Words 5 Pages. ... hypertension and kidney disease are found to be higher than normal rates in the people who live near coal mines. This can be further shown by the Health and Social Harms of Coal Mining in Local Communities: Spotlight on the Hunter Region article, which states that there ...
3.1.1 SOURCES OF AIR POLLUTION Coal transportation, OB removal, drilling, blasting, haul road and movements of mining equipments are the major sources of air pollution in the area. Generally, dust generation is of major concern. NO 2 is liberated in the time of blasting and during the movement of mining machineries.
Apr 18, 2013· Water Use by Industry Agriculture is the largest user of water in India. 90% of India's water is used by agriculture and livestock. Municipalities use 7%, and industry uses 3%. (Food and Agriculture Organization) The worldwide average of water use by industry is 19%. (Nexus Learning) The United States only uses 5% of its water…
Dec 01, 2017· The earliest study on the effects of surface coal mining operations on the water quality was reported. 63,64 A study on water quality effects of coal mining in Jaintia Hills in Meghalaya 65 revealed that coal mining has increased the toxicity level to such an extent that the water is completely unfit for agriculture and human consumption, and ...
Dec 06, 2017· Coal mining. Mining operations can negatively impact water supplies, often with long-lasting effects. The fundamental issue involves contamination of nearby rivers, lakes, and aquifers by what comes out of a coal mine—usually highly acidic water containing heavy metals like arsenic, copper, and lead. The process is known as acid mine drainage.It happens when certain substances (typically ...
Aug 17, 2021· India recently held its second round of coal block auctions offering 67 blocks against which it had received interest for only 19 coal mines. During the first round, wherein 38 blocks were up for grabs, only 20 managed to be auctioned. It is the first time since the 1970s that coal blocks have been up for auction.
Coal mining is one of the core industries that contribute to the economic development of a country but deteriorate theenvironment. Being the primary source of energy coal has becomeessential to meet the energy demand of a country. It isexcavated by both opencast and underground mining methods andaffects the environment, especially water resources, by discharginghuge amounts of mine water. The ...
Mar 01, 2010· Table 2 Percentage of coal production by mining method in the main coal producing countries (2006) Country Underground mining (%) Surface mining (%) Total (Mt) * China 95 5 2380.0 USA 30.9 69.1 1053.6 India 19 81 447.0 Australia 22 78 405.1 Russia 309.2 South Africa 256.9 Germany 197.2 Indonesia 195.0 Poland 156.1 Total world 60 40 6195.1 Note ...
Jul 03, 2019· 03/07/2019 Judgement of the Supreme Court of India in the matter of State of Meghalaya Vs All Dimasa Students Union & Others dated 03/07/2019 regarding unregulated coal mining in the tribal areas of Meghalaya, which has resulted in not only loss of lives but damage to the environment of the area.