Get a Quote

water uses in coal mining process ppt

PowerPoint Presentation

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 ...

Get a Quote
PowerPoint Presentation Coal Power Plants

PowerPoint Presentation Coal Power Plants

Presented By: F Servello Types of Coal Fossil fuel It is a readily combustible black or brownish-black sedimentary rock Coal Mining Surface Mining Strip Mining Underground Mining Coal Power Plant Operation Feedwater Feedwater used in a steam boiler to transfer heat energy from the fuel burning area to mech. Energy of spinning steam turbine Boiler Rectangular furnace, pulverized coal is blown ...

Get a Quote
Water for Coal Union of Concerned Scientists

Water for Coal Union of Concerned Scientists

Oct 05, 2010 Water is used to extract, wash, and sometimes transport the coal; to cool the steam used to make electricity in the power plant; and to control pollution from the plant. The acts of mining and burning coal, as well as dealing with the waste, also can have major effects on water quality.

Get a Quote
1.1 PHASES OF A MINING PROJECT

1.1 PHASES OF A MINING PROJECT

1.1.3.2 Placer mining Placer mining is used when the metal of interest is associated with sediment in a stream bed or floodplain. Bulldozers, dredges, or hydraulic jets of water (a process called ‘hydraulic mining’) are used to extract the ore. Placer mining is usually aimed at removing gold from stream sediments and floodplains. Because placer

Get a Quote
Managing water consumption in mining

Managing water consumption in mining

Aug 21, 2013 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. But often, mine sites are located in areas where water is already scarce and, understandably, local ...

Get a Quote
Water amp Mining in Australia Monash University

Water amp 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 : …

Get a Quote
Basic Information about Surface Coal Mining in Appalachia

Basic Information about Surface Coal Mining in Appalachia

Sep 21, 2020 Layers of rock and dirt above and between the coal seams are removed. Coal seams are removed with excess soil and rock placed in an adjacent valley. Large scale earth moving equipment is used to excavate and remove coal from lower layers. The equipment used depends on the method and scale of the surface mining method being employed.

Get a Quote
11.10 Coal Cleaning US EPA

11.10 Coal Cleaning US EPA

11.10 Coal Cleaning 11.10.1 Process Description1-2,9 Coal cleaning is a process by which impurities such as sulfur, ash, and rock are removed from coal to upgrade its value. Coal cleaning processes are categorized as either physical cleaning or chemical cleaning. Physical coal cleaning processes, the mechanical separation of coal from its

Get a Quote
Analysis of Safety Aspects And Mining Practices For

Analysis of Safety Aspects And Mining Practices For

surface mines, coal and non-metal, increased to an alarming rate of seven during 1999. To determine the causes of slope failure and successful mining practices, the National Institute for Occupational Health and Safety undertook a study. The study included: 1. A review of accident statistics; 2. A review of Federal and state mining laws ...

Get a Quote
Chapter 7 COAL Pennsylvania State University

Chapter 7 COAL Pennsylvania State University

Of the three fossil fuels in common use – natural gas, petroleum, and coal – the United States has far more coal than gas and petroleum (compare Figures 7-1, 8-1 and 9-1). This suggests that, when supplies of gas and petroleum become scarce, it would be possible to turn to coal …

Get a Quote
PDF Coal Mining Water FINAL Kally Forrest Academia.edu

PDF Coal Mining Water FINAL Kally Forrest Academia.edu

Coal Mining Water FINAL. Kally Forrest. SWOP | Coal WP 9 Cover 8/30/17 7:49 PM Page 1 C M Y CM MY CY CMY K Coal, water and mining flowing badly By Kally Forrest & Lesego Loate ‘You’ll be standing with money in your hand but you won’t be able to buy food.’ (Delmas Farmer) working paper 9 JUNE 2017 www.swop.org.za Composite fSWOP | Coal ...

Get a Quote
Introduction to Longwall Mining and Subsidence ver2

Introduction to Longwall Mining and Subsidence ver2

In longwall mining, a panel of coal, typically around 150 to 300 metres wide, 1000 to 3500 metres long and 2 to 5 metres thick, is totally removed by longwall shearing machinery, which travels back and forth across the coalface. A typical section through a coal face is shown in Fig. 1.2 and a photograph of typical

Get a Quote
Wastewater Treatment for the Mining Industry Fluence

Wastewater Treatment for the Mining Industry Fluence

Oct 07, 2020 Sustainable wastewater technologies minimize mining’s environmental footprint. Mining for some minerals, including coal, has been diminishing globally due to increased financial, social, and environmental pressures, but mining for lithium and other metals — used in electronics and in energy storage — is poised for a transformational decade as investment pours into the renewable-energy ...

Get a Quote
Longwall Mining PowerPoint PPT Presentations

Longwall Mining PowerPoint PPT Presentations

Various machines are used in coal mining. The different processes used in coal mining are employed depending on the location of the coal, whether it is located close to the surface or underground. The coal mining equipment used for every process will be different.

Get a Quote
ppt for cooling tower of thermal power plant 171 BINQ Mining

ppt for cooling tower of thermal power plant 171 BINQ Mining

Apr 19, 2010 Thermal power plant – SlideShare. 31 Oct 2009 … Chirag Patel very nice ppt dude. … Thermal Power Plants contribute maximum to the generation of Power for any country. …. A cooling tower may serve as the heat sink in a conventional thermodynamic process, such as … More detailed

Get a Quote
mining pollution power point presentation 171 BINQ Mining

mining pollution power point presentation 171 BINQ Mining

May 31, 2013 Pollution ppt-090720025050-phpapp02 (1) – SlideShare. 31 Oct 2012 … OVERVIEW Definition of Pollution Types of Pollution Air Pollution: a. … Pollution ppt-090720025050-phpapp02 (1) Presentation Transcript … land following Categories Mining and quarrying Sewage waste …

Get a Quote
Coal mining in northeast India an overview of

Coal mining in northeast India an overview of

May 25, 2016 Northeast India has a good deposit of sub-bituminous tertiary coal. The northeast Indian coals have unusual physico-chemical characteristics such as high sulfur, volatile matter and vitrinite content, and low ash content. In addition, many environmental sensitive organic and mineral bound elements such as Fe, Mg, Bi, Al, V, Cu, Cd, Ni, Pb, and Mn etc. remain enriched in these coals. Such ...

Get a Quote
Mining Water Use USGS

Mining Water Use USGS

Mining water use is water used for the extraction of minerals that may be in the form of solids, such as coal, iron, sand, and gravel; liquids, such as crude petroleum; and gases, such as natural gas. The category includes quarrying, milling of mined materials, injection of water for secondary oil recovery or for unconventional oil and gas ...

Get a Quote
Free coal mining powerpoint template Prezi

Free coal mining powerpoint template Prezi

mining coal. Transcript: coal had been mined in the u.s. since the 1740's, but surface mining did not become widespread until the 1930s.At the end of that decade,states began to enact the first laws, which was the SMCRA.This law was introduced in the house of representatives on January 4,1977 but wasn't passed until April 29nth of the same year.Jim Carter signed it into a law August 3rd.

Get a Quote
Coal gasification SlideShare

Coal gasification SlideShare

Feb 22, 2017 DIS ADVANTAGES Source of pollution emits waste, SO2 , Nitrogen Oxide, ash Coal mining mars the landscape Liquidification , gasification require large amounts of water Physical transport is difficult Technology to process to liquid or gas is not fully developed Solid is more difficult to burn than liquid or gases Not renewable in this millennium ...

Get a Quote
Workshop Mining Digital 101 PwC

Workshop Mining Digital 101 PwC

Future of efficient mining (Digital Mining GE) Meet the GE Fairchild F330 continuous miner, one of the strangest devices made by GE. The machine weighs as much as a fighter jet, stretches the length of a bus, and crawls through cracks no taller than a one year old. It can mine narrow coal …

Get a Quote
Surface Mining Methods and Equipment

Surface Mining Methods and Equipment

mining are specialized and less frequently used methods, and will not be looked at in detail in this report. Aqueous extraction in most cases involves the use of water or a liquid solvent to flush minerals from underground deposits, either by hydraulic disintegration or physicochemical dissolution. Aqueous extraction includes: • Placer mining

Get a Quote
Environment Impact Assessment of Coal Mining

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 ...

Get a Quote
PDF Mining Methods Part I Surface mining

PDF Mining Methods Part I Surface mining

Solution mining includes both borehole mining, such as the methods used to extrac t sodium chloride or sulfur , and leaching, either through drillholes or in dumps or heap s on the surface. 2 ...

Get a Quote
Water Uses In Coal Mining Process Ppt

Water Uses In Coal Mining Process Ppt

During the mining process, gangue minerals, minerals with no commercial value, areThe sulfur in coal can react with oxygen and water to produce sulfuric acid, which can dissolve toxic minerals thatYou can use PowerShow.com to find and download example online PowerPoint ppt presentations on...

Get a Quote
water uses in coal mining process ppt brinkstee.nl

water uses in coal mining process ppt brinkstee.nl

water uses in coal mining process ppt Managing water consumption in mining Aug 21, 2013 Mining uses water primarily for mineral processing, dust suppression, slurry transport and …

Get a Quote
Coal SlideShare

Coal SlideShare

May 06, 2015 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

Get a Quote
Mining Industry PPT Presentation Slide Members

Mining Industry PPT Presentation Slide Members

Slide Description. This simple but impactful template in a theme of mining is suitable for presentation material, business plan, proposal not only for mining but also coal, minerals, and underground resource development. We used color points for easy color matching to the topic. Smart and innovative presentation slides.

Get a Quote
INTRODUCTION TO COAL BUSINESS

INTRODUCTION TO COAL BUSINESS

Mining method is locationMining method is location-specific (Mining Cost Components) Overburden Removal (46%) Coal Removal (5%) ROM Haul (9%) • Digging soil & rock above coal seams • Digging coal in coal seam • Transfer coal to process area Royalty • Grinding and sieving • Transfer process coal …

Get a Quote