反碱
反碱-
两级反渗透系统加碱调节pH值的分析
Regulation of pH in two-pass RO system adding alkali
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分别用超滤水反冲洗、稀碱、稀酸、杀菌剂（如NaClO溶液）和清水冲洗被污染的超滤膜，可使膜通量恢复到新膜的98%以上；
The membrane flux can be recovered over 98 % after the fouled ultrafiltration membrane is treated by back flushing with treated water and flushing with dilute base , dilute acid , germicides ( such as NaClO ) and treated water .