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Dewatering and upgrading low rank coal by a two-step hydrothermal treatment
Dewatering and upgrading low rank coal by a two-step hydrothermal treatment
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机译:两步水热处理对低品位煤进行脱水和提质
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摘要
Low rank coal is dewatered and upgraded by heating a coal/water mixture at 150° to 300° C. at a pressure preventing water vaporization, mechanically separating the water, then heating the coal at 300° to 400° C. at a pressure allowing water vaporization.
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