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Coal

Coal

During the coking process bituminous coal is heated to ~ ºC in the absence of oxygen to drive off the volatile compounds (pyrolysis). This process results in a hard porous material coke. Coal used for coking (usually bituminous coal) must have low sulphur, phosphorous, and ash contents, as well as sufficient mechanical strength.

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Coal Mining Methods EMFI

Coal Mining Methods EMFI

Coal Mining Methods Underground Mining Longwall Room and Pillar Mining Longwall mining and roomandpillar mining are the two basic methods of mining coal ... In the extraction process, numerous pillars of coal are left untouched in certain parts .

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allmineral Mining Technology

allmineral Mining Technology

With its innovative alljig®, allair®, allflux® and allgauss® systems, allmineral has operated successfully in the market for more than 25 years, making it the ideal partner for the separation and processing of coal, ore, slag, gravel and sand, as well as for recycling.

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Mine Water Treatment Filtration and Separation ...

Mine Water Treatment Filtration and Separation ...

Mine water treatment solutions Incoming Water Appropriate incoming water quality is important for operation of the mine, downstream processing steps or potable purposes Incoming water for process use needs Total Suspended Solids (TSS) to be controlled in order to protect process equipment (pumps, nozzles/jets, cooling equipment, longwall equipment, etc.).

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