添加剂对减缓膜生物反应器中膜污染的作用研究

A Research of Additives Effects on Mitigating Membrane Fouling in Membrane Bioreactors

膜生物反应器(MBR)具有高效、出水水质好的特点,在生活污水和工业废水处理中得到应用,但膜污染是MBR广泛应用的主要障碍。通过向膜生物反应器中投加添加剂,人为改善反应器中活性污泥混合液的性质,从而减缓膜污染进程成为一种新兴的膜污染控制技术。总结近年来对添加剂减缓膜生物反应器中膜污染的效果和机制的研究,以期找到更有效、廉价的减缓膜污染添加剂。

Membrane bioreactors(MBRs) have been applied in municipal & industrial wastewater treatments on account of the efficient & excellent effluent quality, but the membrane fouling is a main obstacle for wider application of MBRs. The application of additives in MBRs to modify biomass characteristics artif icially for alleviation of membrane fouling has been considered as a new technology of fouling control. This paper summarizes recent studies on the effect and mechanism of addictives on mitigating membrane fouling in MBRs in order to find a more efficient and low-cost additive in mitigating membrane fouling.