Combined technology of coagulation sedimentation - acid hydrolysis - suspended chain aerating - biological contact oxidation was used to treat leather industry and fur processing wastewater.

采用混凝沉淀-酸化水解-悬挂链曝气-生物接触氧化组合工艺处理皮革和毛皮加工生产废水。

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The wool washing wastewater was treated by coagulation sedimentation and biological contact oxidation technology.

针对羊毛脂较低的原料，采用絮凝沉淀—生物接触氧化工艺处理洗毛废水。

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50% and 98% of LAS are removed in coagulation sedimentation and contact oxidation process respectively. But the LAS removal in hydrolysis acidification unit is still low.

混凝沉淀池和接触氧化池对LAS的去除率分别达到50 %以上和98%以上，但水解酸化池对LAS的去除率较低。

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