随着反渗透装置的投运,反渗透膜的污染因其预处理工艺、预处理效果以及各地水源水质的不同,会产生各种各样的污染。反渗透膜污染到一定程度,就必须进行清洗。而反渗透膜的清洗,尤其是在线清洗是我国反渗透应用中的一大难题。文中主要介绍了卷式反渗透膜污染的原因、特征以及在线清洗配方的选择、操作注意事项和清洗实例等,以供同行参阅。

With the application of RO unit, contamination appear s i n different forms due to different preconditions and different water sources. The problems of the cleaning of membrane, especially the cleaning on-line i s f ollowing. This paper introduces the reasons and characteristics of contamina ted RO roll membrane, the selection of prescription of the cleaning membrane, e mpha ses on operation and concrete examples in order to consult with professionals.