kolkata water uses in coal mining process ppt

Managing water consumption in mining

Mining uses water primarily for mineral processing, dust suppression, slurry transport and employees' needs. In most mining operations, water is sought from groundwater, streams, rivers and lakes, or through commercial water service suppliers. ... a country whose coal industries and power stations use as much as 17% of its water, is under ...

Coal Mining: From the Ground to powering Your Home

Strip Mining. Removal of large strips of overlying rock and soil to reveal coal. Open-Pit Mining. Removal of rock and soil creating a vast pit where coal can be extracted. Mountaintop Removal Mining. Removal of mountain tops with explosives. Land made flat after reclamation. Highwall Mining. A continuous miner cuts holes horizontally into the ...

Process Of Coal Mining In India

ppt coal mining process, coal mining in india. sustainable mining powerpoint ppt presentation arrive continuously, and old examples are discarded) mining process. coal mining in india. coking coal mines nationalization act of 1972; coal mines nationalization in the mining process (i.e. mechanized roof bolting system, long wall miners, etc 8230

Company Presentation - Energy

In good coal reserves - preferably in open cast mining - a relatively big amount of good quality raw coal is dumped, i.e. wasted, due to the selective mining method. This is the material close to the border between coal seam and shale band, which contains up to 50% of saleable coal.

Water Uses In Coal Mining Process Ppt

ppt coal mining process, coal mining in india. coal mines powerpoint ppt presentation arrive continuously, and old examples are discarded) mining process.16 h 2 so4 2 fe2 2 h o2 → 2 fe3 h2o bioleaching bioremediation of mine water acidic, sulfur rich wastewaters are produced from the mining process of coal. Read more

Coal Mining and Production - MIGA

the coal as a fuel and cause environmental problems in its use. The depth, thickness, and configuration of the coal seams determine the mode of extraction. Shallow, flat coal deposits are mined by surface processes, which are generally less costly (per ton of coal) than underground mines of similar capacity. Strip mining is one of the

Managing water consumption in mining

Padmesh Gupta Coal Solution - The Leading Coal Trader In India - The globe's fossil fuel, coal, is without a doubt the overwhelming wellspring of vitality in India, which takes into account the greater part of the country's necessities. Very few of us know about the way that right around 70% of coal creation in India goes into the power era and the rest is consumed by family units and huge ...

Underground Mining Methods and Equipment

Longwall mining is used in horizontal, tabular deposits (mainly coal), while the others have applications in inclined or vertical, massive deposits, a lmost exclusively metallic or nonmetallic. Because the exploitation openings are intentionally destroyed in the progress of mining, the caving class is truly unique. Rock mechanics principles are

Water & Mining in Australia - Monash University

G M Mudd – Water and Mining in Australia 9 Sustainability & Mining Water … #1 • Most water issues are commonly viewed first and foremost as a production/economic priority for mining • Some see water in a true 'triple bottom line' • From sustainability principles, some cornerstone issues stand out : …

Appendix E: Coal Mining and Processing Methods | Coal ...

In surface mining, the ground covering the coal seam (the overburden) is first removed to expose the coal seam for extraction. The elements of a surface mining operation are (1) topsoil removal and storage for later use, (2) drilling and blasting the strata overlying the coal seam, (3) loading and transporting this fragmented overburden material (called spoil), (4) drilling and blasting the ...

EFFECTS OF POLLUTANTS PRODUCED BY THERMAL …

Environmental pollution by the coal based thermal power plants all over the world is cited to be one of the major sources of pollution affecting the environment in terms of land use, health hazards and air, soil and water. Fly ash water also affects the scale structure because it is a directly in contact with water. Coal Combustion Residues ...

CHAPTER 11 Mining Technology

the mining technologies currently in use on Federal leases and the potential for commer-cial mining technologies to extract Federal coal reserves from deep underground seams. The chapter discusses: three surface mining techniques that are used in the West: 1) area strip, 2) open pit, and 3) terrace pit; two methods of underground mining in

Coal - SlideShare

Optimum Conditions The bacterial decay rate is limited by oxygen in organic-rich water is completely used up by the decaying process. It is estimated that it took 10 vertical feet of original peat material to produce 1 vertical foot of bituminous coal. The peat to coal ratio is variable and dependent on the Original type of peat Rank of the coal 14

9. Case Study Of The Damodar Valley Region 9.1 Background T

coal mines in the process of the mining operations. The mine drainage is significant not because of its total volume, which is small in comparison with the total volume of flow, but because of the quality of the water drained out of the mines. Although it is generally agreed that …

PPT – Coal Mining PowerPoint presentation | free to ...

Coal Mining The goal of coal mining is to economically remove coal from the ground. Coal is valued for its energy content, and since the 1880s is widely used to ... – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 42d752-ZTVjY

Distribution of Major Industries in India| Location ...

It was close to the iron ore, coal and manganese deposits as well as to Kolkata, which provided a large market. TISCO, gets coal from Jharia coalfields, and iron ore, limestone, dolomite and manganese from Odisha and Chhattisgarh. The Kharkai and Subarnarekha rivers ensured a sufficient water supply.

Essay on coal allocation scam by Amrita Patil

If you have any information on this topic please mail it to us at [email protected] and help us to help other students like you.. coal allocation scam . Another scam in a history of Indian. Coal mining controversy is major fraud in 2012, which involved Rs 1,86,000 Cr loss to exchequer .

kolkata advantages of deep shaft coal mining

The Mining Helmet provides the player with light when equipped in the Helmet slot, that of having a deep mine where it is the most efficient means of moving men, entertainment, or hydraulic jets of water (a process called 'hydraulic mining') are used to extract the ore, though it is generally the first equippable light source available to ...

Case study analysis

Kolkata, India Dr Andrew Beath CSIRO Exploration & Mining AAustralia Dr C li f Ma e t Carbon Energ yP tL d S up or t ed by hA s ali nG v m g Australia si aP cf rt n eh p (A 6) C ol M g T k F Session 4A: Case study analysis Case study analysis A case study showing the procedures used to develop a process utilising UCG The target development is a

6 Major Heavy Engineering Industries in India

The coal mining machinery is mostly produced at Durgapur, Kolkata, Jamshedpur, etc. 2. Machine Tools: It is a core industry and provides mother machines to all sectors of the economy. There are about 200 units manufacturing various types of machine tools and hand tools.

(PDF) COAL MINING METHODS - ResearchGate

The process of contour mining begins with co nstructing roads to access the coal seam elev ation and the top or the mountain. A bench is excav ated in the mountain at the coal seam elevation ...

Drilling And Blasting PowerPoint PPT ... - PowerShow.com

BGR Mining is the best Coal Mining & Mineral Extraction and Exploration Company in India Providing Maine Drilling & Blasting, Bauxite Mining, Oil and Gas, Iron Ore, Underground Mining, Core mining suppliers' & Best Heavy Mining Equipment suppliers in India Comparing from list of Coal Mining and Mineral Companies in India

Coal gasification: The clean energy of the future? - BBC News

The second problem is water use. Coal gasification is one of the more water-intensive forms of energy production, and large areas of China, particularly in the western parts of the country that ...

PowerPoint Presentation

Coal mining is harmful to the environment . ... The rest of the process of generating electricity is then the same as in coal oil and gas, the heat energy is used to boil water which generates steam. This steam then spins turbines, which drives generators to produce electricity. ... This hot water is used for heating buildings and for ...

What Is The Environmental Impact Of The Coal Industry ...

Coal is removed in a number of ways including: contour mining, strip mining, and mountaintop removal. After undergoing a cleansing process, coal is typically burned in order to produce electricity. The coal industry has a significantly negative environmental impact on …

PowerPoint Presentation

MCL is a subsidiary of Coal India Limited and was formed in April 1992. It has two coalfields at Talcher & IB Valley in Odisha. The total coal production at MCL in 2010-11 was 100.2 million tonnes against 96.3 million tonnes in 2008-09. The company employs over 21,000 people.

Environment Impact Assessment of Coal Mining

The impact of coal mining on land, water, health of workers, air and social impact on surrounding villages and cities is evaluated and environment management plan of coal mining is developed. Therefore, the coal has to be used sustainably as coal reserves are depleting rapidly. 1. Introduction Coal is a non-renewable fossil fuel Formed from the ...

Uses of Coal - Industrial and Domestic Uses of Coal

Coal is something that we might have come across at least once in our lifetime. It is a common substance used in many homes and even in big industries. That being said, we will be studying about coal and some of its uses here. Coal is basically a combustible sedimentary rock usually occurring in parts known as coal beds or coal seams.