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Coal Mining Methods China

Surface Coal Mining Methods in China Changsheng Ji School of Mines China Universi ty of Mining and Technology Xuzhou Jiangsu PR China 1 Introduction China is the largest coal producing country in the world with annual production rate of 324 Mt in the year 2010 1of which surface mining production is only about 9 percent of the total. If you are interested in our company's products, we welcome your consultation 7/24 hours, and we are committed to creating the most suitable solution for you.

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    Coal Mining Methods In China

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    China is the largest coal producing country in the world with annual production rate of 324 Mt in the year 2010 1of which surface mining production is only about 9 percent of the total production because the coal reserves suitable for surface mining is not large enough compare with the other major coal producing countries Surface coal mining methods used in China have also been limited.

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    May 02 2020018332Coal wash plant in Clay County Kentucky Most coal seams are too deep underground for opencast mining and require underground mining a method that currently accounts for about 60 percent of world coal production 6 In deep mining the room and pillar or bord and pillar method progresses along the seam while pillars and timber are left standing to support the mine roof.