摘要：

在造纸废水生化段投加生物活性磷替代传统磷营养剂,改善了活性污泥SVI,提高了污泥沉降性能,丰富了活性污泥中微生物种类,增强了系统抗高负荷废水冲击能力,生化段COD_Cr去除率上升1.9%,出口总磷<0.1mg/L。

关键词: 磷营养, 造纸废水, 活性污泥, 总磷

Abstract:

Super phosphor(SP) has been added to the biochemical tank of paper-making wastewater treatment process to replace the traditional phosphor nutrition.It shows that both the SVI and the flocculation quality of MLSS are improved.The category of micro-organism in active sludge is enriched and the ability of shock resistance caused by high load wastewater is also enhanced.In this work, the COD_Cr removal efficiency of biochemical tank raises 1.9%, and the discharge index of total phosphor(TP) is less than 0.1 mg/L.

Key words: phosphor nutrition, paper-making wastewater, active sludge, total phosphor(TP)

中图分类号: 

• X798

• X703.5