膜生物反应器的研究与展望

Researches and prospects on membrane bioreactor

膜生物反应器(MBR)是一项膜分离技术与生物反应器相结合的新型污水处理技术,具有广阔的发展前景。介绍了近年来MBR在难降解有机废水处理、污水脱氮除磷等领域的研究成果;论述了膜的性质和活性污泥混合液的性质以及膜分离操作条件等对膜污染防治的影响;指出了MBR进一步研究的领域:膜污染的机理和防治,与其他处理工艺的结合和改进,特殊废水的处理研究,设计规范和操作参数的确定,数学模式的研究等。

Membrane bioreactor is an advanced waste water treatment technology which has the vast development foreground.It is the combination of membrane separation and a bioreactor.The research achievements in the fields of refractory organic waste water treatment ,nitrogen and phosphorus removal by using membrane bioreactor are introduced.The affect of the membrane and activated sludge 's characters and operation parameters on mem-brane fouling are discussed.It is pointed out that the fields deserving further research include the mechanism and control of membrane fouling,the combination with other treatment technology,the treatment for special waste wa-ter,the establishment of design norm and operation parameters,model for MBR,et al.