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本文通过对碱回收后草浆中段水的混凝沉淀活性污泥生物处理试验研究，探索了该工艺的可行性，研究了低投药量混凝沉淀试验的效果及活性污泥生物处理过程负荷变化对草浆中段水处理效果的影响。
This paper studied the feasibility of the process of coagulation-sedimentation-activated sludge biological treatment of mid-grass slurry after alkali recovery, and explored the effects of low-dose coagulation-precipitation test and biological sludge treatment process load. Effects of changes on the water treatment efficiency of straw mid-segment.