Effect of initial microbial concentration on disinfectant efficiency

by Haas, Charles N. and Baris Kaymak

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Book desription: American Water Works Assn., 2002. Paperback. New Book. Paperback. This report documents the findings of experiments using Escherichia coli and Giardia muris and varying doses of monochloramine and ozone, respectively, on microorganism survival ratios. Results of the study challenge the assumption that the inactivation ratio of microorganisms by a disinfectant is not dependent on the initial microbial density and raise questions about mechanisms of microorganism survival and the applicability of the concept to other microbes. Haas and Laymak teach in the School of Environmental Science, Engineering, and Policy at Drexel University. No subject index. (©2002 Book News, Inc., Portland, OR)

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