sludge accumulation

Nitrobacter can gradually acclimate to nitrous nitrifying conditions and refreshed, so the sludge should acclimation and the nitrite accumulation disappear.

低浓度氨氮废水亚硝化系统稳定运行一段时间之后，硝酸菌能逐渐适应亚硝化条件，恢复活性，从而使污泥产生适应性，亚硝化现象消失。

Cr(ⅲ) Accumulation and Biochemical Response of Wheat Seedling in Tannery Sludge Contaminated Soils

制革污泥污染土壤中铬对小麦的富集及生化效应研究

It is introduced the flowsheet of A/ O~ 2 process treating coke plant wastewater and method of activated sludge accumulation in the start up of treatment system; meanwhile it is also discussed the factors influencing nitrification and denitrification and control parameters in practical operation.

介绍了焦化废水A/O2生物处理工艺的流程和开工调试中污泥培养驯化的方法，并讨论了影响硝化和反硝化工艺的因素及实际运行中控制的参数。