A comparative effect of 3 disinfectants on heterotrophic bacteria, iron bacteria and sulfate-reducing bacteria

The disinfection effect of chlorine dioxide, chlorine and their mixture on heterotrophic bacteria, iron bacteria and sulfate-reducing bacteria in circulating cooling water was studied. The results of the test indicated that high purity chlorine dioxide was the most effective biocide in the 3 disinfectants, and with a dosage of 0.5mg/L, chlorine dioxide could obtain perfect effect. High purity chloride dioxide could have the excellent effect with the pH value of 6 to 10, and could keep it within 72 h. Chlorine and their mixture couldn't reach the effect of chlorine dioxide.

作 者： CUI Chong-wei JI Feng XU Jing LI Shao-feng HUANG Jun-li   作者單位： School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China  刊 名： 哈爾濱工業大學學報（英文版）  EI 英文刊名： JOURNAL OF HARBIN INSTITUTE OF TECHNOLOGY  年，卷(期)： 2006 13(6)  分類號： O62  關鍵詞： chlorine dioxide   chlorine   biocide   disinfection effect  

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