stripping ratio of coal mine

Whats the average stripping ratio of open pit mines

The stripping ratio in a mine is chosen based on economics. ... Coal is decomposed in a decomposition reactor and fed to a gasifier along with steam (flow rate

What Is a Stripping Ratio? (with picture) - wiseGEEK

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

Determining Stripping Ratio - Basic Mining Techniques

2016-4-4 · 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.

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

Stripping Ratios: What are They and Why are They

2018-10-30 · Examples of stripping ratios. Ioannou gave some examples of mines with good strip ratios, including Lundin Mining’s (TSX:LUN) Candelaria copper-gold-silver mine

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

Calculating Stripping Ratios for Area Strip Mines Mnge 315 ©Dr. B. C. Paul spring 2003 revised 2010 Note – These notes contain information considered common knowledge

effect of stripping ratio in coal mining

effect of stripping ratio in coal mining Solution for. Aug 31, 2012 Switch to underground mining if your stripping ratio is more than BESR. Environmental

Ministry of Coal, GOI

Standard stripping ratio - the ratio of “overbudern (OB) to be removed” to “the mineral to be produced” during the whole project life. Suppose in an opencast

Coal Ratio - an overview | ScienceDirect Topics

With increasing overburden to coal ratio, the cost of removal of overburden (known as stripping cost) adds considerably to the cost of mining the coal beyond

WBPDCL

2020-1-16 · Each coal seam is a composite seam comprising more than one coal seam section with shaly and sandy interbands. The reserve of the mine is 389 Million Tonne The

What Is a Stripping Ratio? (with picture) - wiseGEEK

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

A new method to confirm the economic and reasonable ...

2010-9-14 · A new method to confirm the economic and reasonable stripping ratio of surface coal mine Abstract: Economic rationality is currently open pit stripping ratio is well calculated by comparing the cost of industrial exploitation, the calculation does not take into account the safety of mining work well accidents, such as surface subsidence caused ...

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

Research on the mining method and stripping ratio of

Non-coal-zone in surface coal mine usually causes invalid stripping and increases stripping ratio. In order to solve the problem of increased stripping ratio and transportation distance, and ...

Opencast Working And Stripping Ratio » MiningPathsala

2021-6-30 · stripping ratio :- It is generally expressed in the proportions of Overburden to coal or mineral removed. As the depth of Overburden increases more amount of money is spent for removal of the Overburden for exposing the mineral body / coal and the time will come when mineral / coal

influence of striping ratio on open cast coal mining

Standardized emissions inventory methodology for open . Ghose (2004, 2007) based on their own emission factors estimated that a typical open pit coal mine in India with a stripping ratio of 3.98 emitted 9366.7 kg/day of TSP while its production was 2500t/day ie. 3.74 Kg of TSP per Mg of coal produced.

Coal Ratio - an overview | ScienceDirect Topics

With increasing overburden to coal ratio, the cost of removal of overburden (known as stripping cost) adds considerably to the cost of mining the coal beyond economic limit. To develop a mine, the break even stripping ratio (at the surface of the final pit) must be established. It is found from the formula:

Vol. 5, Issue 12, December 2016 Experimental ...

2020-11-30 · is known as stripping ratio. Coal mining companies in India removed about 1058.874 million cubic meters (Mcu.m) of overburden (OB) to produce 504.195 million tons of coal in 2012-13 at an average stripping ratio of 2.12 of over burden against per ton of coal produced (coal statistics 2012-13). Table 2.1 and Table 2.2 represents the stripping ratios

3.2.4: Step 2 -- How Much of the Resource is a Reserve ...

As mine planning advances beyond the prefeasibility stage, stripping ratios at different cross sections will be calculated as well. The overall stripping ratio is calculated using the average values for the volume of the overburden and the average value for the weight of the coal (ore).

WBPDCL

2020-1-16 · Each coal seam is a composite seam comprising more than one coal seam section with shaly and sandy interbands. The reserve of the mine is 389 Million Tonne The Average stripping ratio is 1: 4.2 The Peak rated capacity of the mine is 15 Million Tonne/ year

what is stripping ratio coal mining - mayukhportfolio.co

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.

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

influence of striping ratio on open cast coal mining

Standardized emissions inventory methodology for open . Ghose (2004, 2007) based on their own emission factors estimated that a typical open pit coal mine in India with a stripping ratio of 3.98 emitted 9366.7 kg/day of TSP while its production was 2500t/day ie. 3.74 Kg of TSP per Mg of coal produced.

Coal Ratio - an overview | ScienceDirect Topics

With increasing overburden to coal ratio, the cost of removal of overburden (known as stripping cost) adds considerably to the cost of mining the coal beyond economic limit. To develop a mine, the break even stripping ratio (at the surface of the final pit) must be established. It is found from the formula:

Stripping Method Of Mining -

2021-3-24 · Dec 04 2019 strip mining – strip mining is the most common surface mining method used to mine coal and lignite the process is done by removing a strip of overburden before mining a seam of mineral strip mining is done only when the ore body is in close proximity to the. What Is A Stripping Ratio with Picture.

3.2.4: Step 2 -- How Much of the Resource is a Reserve ...

As mine planning advances beyond the prefeasibility stage, stripping ratios at different cross sections will be calculated as well. The overall stripping ratio is calculated using the average values for the volume of the overburden and the average value for the weight of the coal (ore).

Availability of Coal Resources for Mining in Illinois

2020-6-8 · 16 Stripping ratio of the Springfield Coal, Shawneetown Quadrangle 24 17 Thickness of bedrock overburden, Springfield Coal, Shawneetown Quadrangle 25 18 Ratio of bedrock to unconsolidated overburden, Springfield Coal, Shawneetown Quadrangle 26 19 Availability of the Springfield Coal for underground mining, Shawneetown Quadrangle 27

WBPDCL

2020-8-13 · The Tara (East and West) coal block has six co-relatable coal seams. The reserve of the mine is 17.78 Million Tonne ( Open cast ) The Average stripping ratio is 1: 10.72 The Peak rated capacity of the mine is 4 Million Tonne/ year

WBPDCL

2020-1-16 · Each coal seam is a composite seam comprising more than one coal seam section with shaly and sandy interbands. The reserve of the mine is 389 Million Tonne The Average stripping ratio is 1: 4.2 The Peak rated capacity of the mine is 15 Million Tonne/ year

5. Conceptual Planning of Mine Development

2003-10-30 · Mae Moh mine, the biggest coal mine in Thailand, produced annually around 15 million tons of coal with about 6 bank-m3/t of average stripping ratio. The final depth of floor is planned at 250m below the surface. Other four coal mines produce annually around 400,000 to 1,300,000 tons of coal with about 4 to 6.5 bank-m3/t of average stripping ...