This paper put more emphases on the study of controlling of the total count of bacteria and the total coliform group by the combination of PPC and chloramine and by either of them.

• 本文着重研究了氯胺和PPC(高锰酸钾复合药剂)这两种安全的消毒剂单独以及二者联用对原水中细菌、总大肠杆菌群的灭活效果。