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what is stripping ratio coal mining

what is stripping ratio coal mining

Stripping Ratio Mineral Production Activities ...

Stripping ratio is defined as the tonnage of waste rock to be mined, divided by the tonnage of ore to be mined from the pit. Stripping ratio is influenced by the shape of the orebody and may vary considerably during the life of the mine. Except in rare cases, it increases with depth of

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Stripping Ratios: What are They and Why are They Important ...

A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process. It represents the amount of waste material, also known as overburden, that must be moved in...

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Stripping ratio - Wikipedia

In surface mining, stripping ratio or strip ratio refers to the amount of waste (or overburden) that must be removed to release a given ore quantity. It is a number or ratio that express how much waste is mined per unit of ore. The units of a stripping ratio can vary between mine types.

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what is stripping ratio coal mining

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 volume of... Read more. What Is a Stripping Ratio? (with picture) - wiseGEEK. 7 Dec 2014 ... The stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process. In ...

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What Is a Stripping Ratio? (with picture)

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 ore.

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Stripping ratio mining Britannica

In 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

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 volume of... Read more. What Is a Stripping Ratio? (with picture) - wiseGEEK. 7 Dec 2014 ... The stripping ratio method of calculating the profitability of the mining procedure is commonly used in the ore or coal mining process. In ...

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What Is a Stripping Ratio? (with picture)

21/02/2021  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 ore. As can be seen, when the ratio of unwanted ...

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stripping ratio in coal mining

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 ore.

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what is stripping ratio coal mining ppt - Grinding Mill China

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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mining engineering: STRIPPING RATIO (S)

06/06/2010  a. SR measures the amount of waste that needs to be removed to get an amount of ore, just as we mine it. Note the “amount”! b. This will differ depending on time span under consideration. * Initial studies (feasibility) – overall stripping ratio. * Current month – incremental stripping ratio.

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Determining Stripping Ratio - Basic Mining Techniques

04/04/2016  The maximum allowable Stripping Ratio (SR max) defines break even stripping ratio (BESR).This represents the highest possible units of waste that can be handled. If the SR exceeds the BESR then the operation will be uneconomical as the income generated by the ore is insufficient to offset the costs incurred in mining.

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(PPT) Calculating Stripping Ratios for Area Strip Mines ...

The Coal Area Strip Mine Formula • Strip Ratio = OB Thickness (in ft) * 11.11/ Coal thickness in inches – Assumes coal is 80 lbs/ft^3 (good for bituminous) – Area Strip Mine Geometry – Geologic Stripping Ratio – no accounting for rehandle or less than 100% coal recovery Your Turn • Use What You Have Learned About Calculating Stripping Ratios for Strip Mines and Break Even Limits to ...

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Coal Ratio - an overview ScienceDirect Topics

Contour surface mining takes advantage of the low strip ratio coal reserves adjacent to the outcrop. Contour mining equipment includes a drill, loader, bulldozers, and trucks. The steps in contour mining begin with drilling and blasting a triangle shaped portion of overburden (in cross section) above the coal to be mined. The fractured overburden is then loaded into rubber-tired trucks. The ...

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What is stripping ratio in mining? - Quora

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 wil...

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(PDF) Stripping Ratios, Pit Limits Cutoff Grade ...

Stripping Ratios, Pit Limits Cutoff Grade Optimization. Download. Related Papers. Optimum cut-off grade policy for open pit mining operations through net present value algorithm considering metal price and cost escalation. By Raul Cezar. Maximizing the net present value by applying an optimal cut-off grade for long-term planning of the copper open pits . By Daniel Krzanovic. Optimal ...

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stripping ratio in coal mining

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 ore.

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Determining Stripping Ratio - Basic Mining Techniques

04/04/2016  The maximum allowable Stripping Ratio (SR max) defines break even stripping ratio (BESR). This represents the highest possible units of waste that can be handled. If the SR exceeds the BESR then the operation will be uneconomical as the income generated by the ore is insufficient to offset the costs incurred in mining. It appears there is a calculation that helps determine the breakeven point ...

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effect of stripping ratio in coal mining Solution for ...

Average stripping ratio – operations 9.60 7.40 10.20 7.24 Pacific Coal Resources Ltd. is a Canadian-based mining company focused on coal, coking coal Coal mining – Wikipedia, the free encyclopedia. Strip mining exposes the coal by removing the reaches a predetermined stripping ratio (tons of overburden/tons of coal ...

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What is stripping ratio in mining? - Quora

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 wil...

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(PPT) Calculating Stripping Ratios for Area Strip Mines ...

The Coal Area Strip Mine Formula • Strip Ratio = OB Thickness (in ft) * 11.11/ Coal thickness in inches – Assumes coal is 80 lbs/ft^3 (good for bituminous) – Area Strip Mine Geometry – Geologic Stripping Ratio – no accounting for rehandle or less than 100% coal recovery Your Turn • Use What You Have Learned About Calculating Stripping Ratios for Strip Mines and Break Even Limits to ...

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stripping ratio calculation in mining - Sians Karaoke

The calculation of coal reserves volume is using two values of stripping ratio which is SR 4 and SR 5 The calculation area of coal reserves volume is divided by out of boundary from dominance mining of PT Multi Prima Universal From calculation result get total calculation of coal reserves volume with SR 4 is equal to 31 046 626 4 tons with ...

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stripping ratio calculation in mining

20/08/2020  What Is a Stripping Ratio? (with picture) 2020-12-4 Stripping ratio is a term that is derived from the mining industry and is used in reference to the open-pit mining process. 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 ...

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Lecture 4 Calculating Stripping Ratios For Area Strip Mines

Books such as Elements of Practical Coal Mining and SMEs Surface Mining were specifically referenced Stripping Ratio as a Fundamental Ability to surface mine depends on the value of the ore being high enough to offset the cost of Overburden Removal Stripping Ratio determines relative amounts of each to be moved. If coal generates a $5/ton earning and . overburden costs 45 cents per

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Coal Surface Mining - Materials101

15/03/2021  This type of mining method is primarily used for extracting coal seam from rolling or hilly terrain. This method consists of removing the overburden over the ore material material, then starting to outcrop along the hillside. This creates a bench around the hill. Historically, creating bench on a hill was by carrying the spoil down using a shovel. The stripping ratio if remains favorable the ...

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influence of striping ratio on open cast coal mining

break even stripping ratio example for coal mining. 28 Oct 2014 Stripping ratio is a term that is derived from the mining industry and of the mining procedure is commonly used in the ore or coal mining process For example, if the mining company must extract one part of ore to three and a half parts of waste in order to break even, it stands to reason that the company . Get Price. coal mines in ...

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stripping ratio in coal mining

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 ore.

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Strip Mining - an overview ScienceDirect Topics

2.3 Strip Mining. Strip mining is employed in coal reserves where the overburden is removed in rectangular blocks in plan view called pits or strips. The pits are parallel and adjacent to each other. Strip mining is fundamentally different from contour or area mining on how the overburden is displaced, called spoil handling. In contour or area stripping, the overburden is hauled with different ...

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effect of stripping ratio in coal mining Solution for ...

Average stripping ratio – operations 9.60 7.40 10.20 7.24 Pacific Coal Resources Ltd. is a Canadian-based mining company focused on coal, coking coal Coal mining – Wikipedia, the free encyclopedia. Strip mining exposes the coal by removing the reaches a predetermined stripping ratio (tons of overburden/tons of coal ...

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what is stripping ratio coal mining crusher

what is stripping ratio coal mining, mining strip ratio sharesguru. Quarry Equipment. Rock Crusher.mining strip ratio sharesguru australian shares forum, the strip ratio is the number of cubic metres of dirt and rock you need to remove to obtain a every tonne of ore (usually coal when it is mined with draglines or. Read more

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influence of striping ratio on open cast coal mining

break even stripping ratio example for coal mining. 28 Oct 2014 Stripping ratio is a term that is derived from the mining industry and of the mining procedure is commonly used in the ore or coal mining process For example, if the mining company must extract one part of ore to three and a half parts of waste in order to break even, it stands to reason that the company . Get Price. coal mines in ...

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stripping ratio calculation in mining

20/08/2020  What Is a Stripping Ratio? (with picture) 2020-12-4 Stripping ratio is a term that is derived from the mining industry and is used in reference to the open-pit mining process. 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 ...

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What is STRIPPING RATIO? What does STRIPPING RATIO mean ...

24/08/2017  theaudiopedia What is STRIPPING RATIO? What does STRIPPING RATIO mean? STRIPPING RATIO meaning- STRIPPING RATIO definition - STRIPP...

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Lecture 4 Calculating Stripping Ratios For Area Strip Mines

Books such as Elements of Practical Coal Mining and SMEs Surface Mining were specifically referenced Stripping Ratio as a Fundamental Ability to surface mine depends on the value of the ore being high enough to offset the cost of Overburden Removal Stripping Ratio determines relative amounts of each to be moved. If coal generates a $5/ton earning and . overburden costs 45 cents per

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influence of striping ratio on open cast coal mining

Effect Of Stripping Ratio In Coal Mining - antoonmahieube. influence of striping ratio on open cast ore mining Opencast pillar mining requires maximizing coal recovery in order to be design process of the opencast pillar mining method was also influenced by the coal use of opencast mining methods due to the low stripping ratio, high recovery and , Open cast coal mining techniques .

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Meaning of bcm in coal surface mining

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 volume of... More details » Get Price. Overburden - Wikipedia, the free encyclopedia. Overburden is removed during surface mining, but is typically not contaminated with ... A related term is interburden, meaning material that lies ...

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