what is stripping ratio coal mining ppt

what is stripping ratio coal mining ppt

Influence Of Striping Ratio On Open Cast Coal Mining. what is stripping ratio coal miningGrinding Mill . formular for calculating strip ratio in mining Home» what is stripping ratio coal mining ppt » buyers of coal shearer rocker arm for coal mining » coal mining. Get Price And Support Online A geotechnical rationale for the design of South .

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Stripping ratio Wikipedia

In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required to be handled in order to extract some tonnage of ore. For example, a 3:1 stripping ratio means that mining one tonne of ore will require mining three tonnes of waste rock.

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What Is a Stripping Ratio? (with picture)

26/10/2019· The stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process. In relation to its application in the mining of ore, the utility of the stripping ratio is the determination of the approximate ratio of waste material that must be moved in order to reach a certain ratio of

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strip ratio in coal mining Mine Equipments

Mining Roy Hill The Roy Hill Mine will have a mine life of more than 20 years and adopt an drill and blast, truck and excavator bulk mining method with an average strip ratio of 4 The quasi strip mining approach is similar to that used in coal mines, where

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what is stripping ratio coal mining crusher

Surface mining methods835 Кб. Typical examples of this type of mining are the larger tonnage coal mining operations inmine using an in-pit crusher and conveyor and waste is tipped directly as envisaged in a terrace mining operation).processing plant on surface, at a rate of 1,22mt per month (ore) at a stripping ratio of 3:1.

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Stripping ratio mining Britannica

Other articles where Stripping ratio is discussed: coal mining: Choosing a mining method: calculated with the aid of stripping ratios, which represent the amount of waste material that must be removed to extract a given amount of coal. Stripping ratios can also consider the selling price of coal, and a certain minimum profit can be added to the total cost of producing and

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what is stripping ratio coal mining Mine Equipments

In coal mining what is a good strip ratio Wiki Answers What Is Stripping Ratio?a. Measures relative deposit depth. Q: How important is depth in surface mining?? *

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what is stripping ratio coal mining

contents 1 introduction to surface strip coal mining 1.1 fundamental concepts and definitions 2 1.2 surface coal mining 5 1.3 production cost and stripping ratio Read More good strip ratio for a coal mine codep.org.in

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Stripping Ratios: What are They and Why are They

Stripping ratios aren’t often discussed, but they can be an early and important indicator for mining projects. Here’s what investors should know about them. A strip ratio, or stripping ratio

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CHAPTER 11 Mining Technology Princeton University

CHAPTER 11 Mining Technology The Federal Coal Leasing Amendments Act of 1976 charged OTA to assess the feasibility of the use of deep-mining technology on leased areas. With the passage of the Sur-face Mining Control and Reclamation Act of 1977 congressional interest in the study of deep underground mining technology shifted

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CHAPTER 11 Mining Technology Princeton University

CHAPTER 11 Mining Technology The Federal Coal Leasing Amendments Act of 1976 charged OTA to assess the feasibility of the use of deep-mining technology on leased areas. With the passage of the Sur-face Mining Control and Reclamation Act of 1977 congressional interest in the study of deep underground mining technology shifted

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Stripping Ratio Coal Mining Comp greenrevolution.org.in

stripping ratio coal mining comp. Member Directory Nevada Mining Association. 3M Company A recognized leader in research and development, 3M produces thousands of

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In coal mining what is a good strip ratio Answers

29/07/2010· Coal mining is good because it is used to get a very important natural resource, coal. Coal is used in many things and without coal mining we could not do those things. They were used on the first

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effect of stripping ratio in coal mining

effect of stripping ratio in coal mining Solution for. 31/08/2012· Switch to underground mining if your stripping ratio is more than BESR. Environmental impact of the coal industry Wikipedia, the free This process is known as acid rock drainage or acid mine drainage.

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Basics of openpit mining SlideShare

13/03/2012· What is Opencast Mining• Opencast mining is also known as Open pit mining, Open cut Mining, Surface or Strip Mining.• The coal upto economical depth will be excavated by OC Method.• The current operating depth of OC mines in SCCL is about 200m and SCCL proposed to operate OC mines upto a depth of 420m. Ex: MNG OC II Extension Project

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Mining Terms kau

Strip Mining . Quarry Mining . Placer Mining . Some Examples for Underground Mining . Important Terms for Surface Mining . Open Pit Mine (metals) Bench: is a ledge which forms a single level of operation where ore and waste are excavated. Berm: is a horizontal shelf or ledge built in to a sloping wall of an open pit or quarry for protection under level. High Wall: is an unexcavated face or

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Coal mining Choosing a mining method Britannica

Coal mining Coal mining Choosing a mining method: The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many

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Surface Coal Mining Methods in Australia

Surface Coal Mining Methods in Australia 5 2. Open cut mining methods strip mining Large-scale open cut coal mining operations commenced in Australia in mid 1960s and since then there has been significan t developments in this method of mining. The mines are now operating at significantly higher annual tonnages, growing deeper, more complex and

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Lecture 4 Calculating Stripping Ratios for Area Strip

Lecture 4 Calculating Stripping Ratios for Area Strip Mines Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. bREAK EVEN STRIPPING RATIO

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Surface mining Wikipedia

"Strip mining" is the practice of mining a seam of mineral, by first removing a long strip of overlying soil and rock (the overburden). It is most commonly used to mine coal and lignite (brown coal). Strip mining is only practical when the ore body to be excavated is relatively near the surface.

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Surface Coal Mining Methods in Australia

Surface Coal Mining Methods in Australia 5 2. Open cut mining methods strip mining Large-scale open cut coal mining operations commenced in Australia in mid 1960s and since then there has been significan t developments in this method of mining. The mines are now operating at significantly higher annual tonnages, growing deeper, more complex and

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pwc 2012 Americas School of Mines

Notes: Strip Ratio Mining Methods 27 Mistakes are often made when computing the strip ratio. It’s all in the words and you have to watch the flow of material and how it is classified. For example, according to liming McMoran’s 2007 10K filing, the concentrator is capable of processing 75,000 metric tons per day of primary sulfide ore and

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what is stripping ratio coal mining ppt Grinding Mill

After coal comes out of the ground, it typically goes on a conveyor belt to a preparation plant that is located at the mining site. The plant cleans and processes coal to remove dirt, rock, ash, sulfur, increasing the heating value of the coal. During this coal processing, the used industrial equipment can be called coal processing equipments.

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CORNERSTONE VOLUME 3 ISSUE 4 THE OFFICIAL JOURNAL OF

Each coal mine has a limited life span due to the finite nature of the resource being extracted. Eventually the resource is exhausted, or the point is reached at which it is no longer prof itable to extract for any number of reasons, such as increasing mine depth, increasing strip ratios, changing regulations, or market pressures.

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Whats the average stripping ratio of open pit mines

Even if there was an average of ALL open pit mines that would not offer any knowledge regarding open pit mining. The stripping ratio in a mine is chosen based on economics.

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Break Even Stripping Ratio Example For Coal Mining

Break Even Stripping Ratio Example For Coal Mining. Break even stripping ratio example for coal mining coal mining wikipedia the free encyclopedia the goal of coal mining is to obtain coal from the ground coal is valued for its energy content and since the 1880s has been widely used to generate ymethods of live chat. Online Chat

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Basics of open pit mining YouTube

10/07/2016· Informative presentation you came across to know about Open Pit mining. Open Pit mining MINING Methods Hydraulic Gassification Opencast mining Open cut Mining Surface or Strip Mining final pit

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Room and pillar mining Wikipedia

Room and pillar mining was one of the earliest methods used, although with significantly more man-power. The room and pillar system is used in mining coal, gypsum, iron, and uranium ores, particularly when found as manto or blanket deposits, stone and aggregates, talc, soda ash and potash.

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Mining SlideShare

06/04/2013· 2.Slope miningSlope mining is a method of accessing valuable geologicalmaterial, such as coal. A sloping access shaft travelsdownwards towards the coal seam. 19. 3.Shaft mining is a type of underground mining doneby use of a mine shaft. A mine shaft is a verticalpassageway used for access to an underground mine. 20.

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Lecture 4 Calculating Stripping Ratios for Area Strip

Lecture 4 Calculating Stripping Ratios for Area Strip Mines Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. bREAK EVEN STRIPPING RATIO

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