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Efficacy of biocides in controlling microbial populations, including Legionella, in cooling systems.

Author(s) : POPE D. H., DZIEWULSKI D. M.

Summary

Ten cooling towers were tested to determine possible correlations between Legionella numbers and physical, chemical, biological, and operational parameters. Significant correlations were found between total bacteria and Legionella levels. Five biocides were tested. Only frequent, high doses of organic biocides or low-level continuous treatment with an oxidizing biocide have a real effect.

Details

  • Original title: Efficacy of biocides in controlling microbial populations, including Legionella, in cooling systems.
  • Record ID : 1993-2827
  • Languages: English
  • Source: ASHRAE Transactions 1992. Part 2.
  • Publication date: 1992
  • Document available for consultation in the library of the IIR headquarters only.

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