Research Article
Oct 1971
Modern Concept of Disinfection
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VIEW THE REPLYAuthor: Shih L. ChangAuthor Affiliations
Publication: Journal of the Sanitary Engineering Division
Volume 97, Issue 5
Abstract
The literature on disinfection has been critically reviewed and the quantitative data analyzed in an effort to construct a modern concept of disinfection, the chemistry of disinfectants, the cyto-structure and physical state of microorganisms, their reaction as a rate process, and the interference of chemical and physical factors in the reaction medium. Disinfectants are grouped in six categories, namely: oxidizing agents, cations of heavy metals, quaternary ammonium and pyridinum compounds, gaseous agents, and physical agents. Microorganisms are grouped into amoebic cysts, bacteria, and viruses, with the spores omitted. From the analysis of existing data, various constants and other quantitative parameters are obtained for a limited number of disinfectants, and the needed information on many disinfectants is pointed out. The direction for future research is indicated.
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Published In
Journal of the Sanitary Engineering Division
Volume 97 • Issue 5 • October 1971
Pages: 689 - 707
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Oct 1971
Published online: Feb 12, 2021
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Authors
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Shih L. Chang
Chief of Etiology, Bureau of Water Hygiene, ECA, PHS, HEW, Cincinnati, Ohio
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