Because of filtration overfall from Panzhihua Midi Mill Plant being dealed with irrationality and concentrate grade being not stable,some improvements on the folw for filtration overfall are made.

• 针对密地选矿厂现有选别流程中过滤溢流处理不合理、精矿品位不稳定现象,提出了过滤溢流集中处理的流程改进方案,并通对实验室试验和工业试验,验证了改进流程的合理性。