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coal flotation processing plant

coal flotation processing plant

Sep 29 2003 · 21 Coal Coal is defined as a heterogeneous combustible sedimentary rock formed from plant remains in various stages of preservation by processes which involved the compaction of the material buried in basins initially of moderate depth with an ash content of less than 50 ECEUN Document 1991Some other classifications of coals are also given in the literature Lemos de Sousa

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