聚合氯化铝的投加对活性污泥性质的影响

Effect of Polyaluminum Chloride on the Properties of Activated Sludge

聚合氯化铝(PAC)作为混凝剂被广泛应用于污水处理进行化学除磷,大量投加后污水中残留PAC会形成累积,对生物处理系统活性污泥中的微生物产生一定影响。本文以实际污水处理厂污水和PAC为研究对象,考察了不同PAC投加量对活性污泥中微生物种类和数量的影响。

Polyaluminum chloride(PAC),as a coagulant,is widely used in wastewater treatment for chemical phosphorus removal.After a large amount of PAC is added,the residual PAC in wastewater will accumulate,which will have a certain impact on microorganisms in activated sludge of biological treatment system.In this paper,the effects of different PAC dosage on the species and quantity of microorganisms in activated sludge were investigated by taking the wastewater and PAC from actual wastewater treatment plants as the research objects.