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在确定煤样的理论可浮性和实际可浮性的基础上，从中间密度含量和基元灰分出发，对不同煤化程度的４种煤样进行了分析，提出了理论可浮性、中间密度含量及基元灰分对４种煤样实际可浮性不同程度的影响，为开发４种煤样所用的浮选剂及工艺操作提出了指导原则。
On the basis of determining the theoretical floatability and actual floatability of coal samples, four kinds of coal samples with different degrees of coalification were analyzed based on the intermediate density content and the elemental ash content. The theoretical floatability, intermediate density Content and elemental ash on the four kinds of coal-based samples of different levels of actual floatability for the development of four coal samples used in the flotation agent and process operation guidelines.