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what is stripping ratio coal mining

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.

what is stripping ratio coal mining - Mine Equipments

Stripping ratio - Wikipedia, the free encyclopedia In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required

Stripping ratio | mining | Britannica.com

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.

What Is a Stripping Ratio? (with picture) - wisegeek.com

Sep 27, 2018· 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.

what is stripping ratio coal mining - crusherasia.com

what is stripping ratio coal mining - Mining Solution . STRIPPING RATIO (S) - Coal Trading Blog. Jun 07, 2010 · Front Iron Ore Mine Demolition of Iron Ore with Breaker Dismantling of

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Surface Strip Coal Mining Handbook .za

This handbook on surface strip coal mining serves as a general introduction to the subject of mining, specifically surface strip coal mining. It is intended as handbook for engineers who are new to the field of mining engineering, or for students who are entering the field with little prior knowledge.

Cline Mining Corporation • Projects • Mining Terms

Strip Ratio The stripping ratio is the most influential economic factor in the evaluation and planning of open-pit coal mines. It represents the volume of rock both above and within (partings) coal seams expressed in Bank Cubic Metres (BCMs) which must be mined to obtain 1 tonne of raw or clean coal.

what is stripping ratio coal mining

The number of oil shale mines which adopted open pit mining increased with the increasing of oil price, in recent years. The economic stripping ratio is an important basis to dete...

In coal mining what is a good strip ratio - answers.com

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.

Stripping Ratios, Pit Limits & Cutoff Grade Optimization ...

In strip coal mining operations, the following are sometimes seen: Overbuden Thickness (ft) Overburden (yd 3 ) SR = SR = Coal Thickness (ft) Coal (tons) Stripping Ratios Instantaneous stripping ratio: The stripping ratio for a given push back Overall stripping ratio: The stripping ratio for the total amount of material removed.

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.

Energy resources: Coal: 2.5 Surface mining - OpenLearn ...

This stripping ratio is higher than the 20:1 limit, so surface mining of the coal seam to this depth would not be economic. Clearly, at greater depths, proportionately more overburden has to be removed per volume of coal, and this steadily increases the stripping ratio.

what is stripping ratio coal mining - karnatakacpu.com

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 ...

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Rational economic stripping ratios - Taylor & Francis

ABSTRACT: The economic stripping ratio t useo definde an economic mining bloc ikn an open pit coal mining situatio isn rationalised by considering the time valu oe f money, and definin rugn o minf e recovery and mining a coss dynamit c variables

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 order to extract a given amount of ore.

what is stripping ratio coal mining - Mine Equipments

stripping ratio (mining) -- Encyclopedia Britannica stripping ratio (mining) ... The topic stripping ratio is discussed in the following articles: determination of mining methods. TITLE: coal mining .

Stripping ratio | mining | Britannica.com

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 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.

strip ratio in coal mining - Mine Equipments

Stripping ratio - Wikipedia, the free encyclopedia In mining, stripping ratio or strip ratio refers to the ratio of the volume of overburden (or waste material) required

What Is a Stripping Ratio? (with picture) - wisegeek.com

Sep 27, 2018· 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.

what is stripping ratio coal mining - crusherasia.com

what is stripping ratio coal mining - Mining Solution . STRIPPING RATIO (S) - Coal Trading Blog. Jun 07, 2010 · Front Iron Ore Mine Demolition of Iron Ore with Breaker Dismantling of

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Cline Mining Corporation • Projects • Mining Terms

Strip Ratio The stripping ratio is the most influential economic factor in the evaluation and planning of open-pit coal mines. It represents the volume of rock both above and within (partings) coal seams expressed in Bank Cubic Metres (BCMs) which must be mined to obtain 1 tonne of raw or clean coal.

[PDF]

Surface Strip Coal Mining Handbook .za

This handbook on surface strip coal mining serves as a general introduction to the subject of mining, specifically surface strip coal mining. It is intended as handbook for engineers who are new to the field of mining engineering, or for students who are entering the field with little prior knowledge.

Stripping Ratios, Pit Limits & Cutoff Grade Optimization ...

In strip coal mining operations, the following are sometimes seen: Overbuden Thickness (ft) Overburden (yd 3 ) SR = SR = Coal Thickness (ft) Coal (tons) Stripping Ratios Instantaneous stripping ratio: The stripping ratio for a given push back Overall stripping ratio: The stripping ratio for the total amount of material removed.

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