FIELD TRIAL OF BIOCIDES FOR CONTROL OF LEGIONELLA IN COOLING-TOWERS

被引:11
作者
BENTHAM, RH [1 ]
BROADBENT, CR [1 ]
机构
[1] DEPT ADM SERV,CANBERRA,ACT,AUSTRALIA
关键词
D O I
10.1007/BF00296203
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Legionella and amebae populations in 16 cooling towers were challenged with three commercially available biocide formulations. The active agents were: a chlorinated phenolic thioether (CPTE), bromo-nitro-propane-diol (BNPD), and bromo-chloro-dimethylhydantoin (BCD, in briquette form). The towers were dosed with these biocides for approximately 4 weeks. BCD was effective against Legionella in each of nine challenge experiments, and CPTE in eight of nine challenges. BNPD was effective in only five of 11 challenges. None of the biocides had any significant effect in reducing planktonic amebae concentrations during the challenges.
引用
收藏
页码:167 / 172
页数:6
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