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1·Introduces the transformation of treating slimy technology process in Zhenchengdi preparation plant. By analysing screening test acount of fines, approaches the feasible on fines grading flotation.

介绍了镇城底矿煤泥水处理工艺流程的技术改造，分析了入浮煤泥筛分试验数据，探讨了煤泥分级浮选的可行性。