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coal gangue processing equipment

Feb 14, 2021 1. Introduction. In coal production, the raw coal mined directly from coal mines contains a lot of gangue, which contains a lot of heavy metals, and affects the calorific value of coal, causing serious pollution to the environment .Therefore, it is essential to separate coal and gangue to make them play their respective roles 2,3.As an important part of the coal industry, coal gangue ...

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