Journal article
Design Criteria for Inactivation of Cryptosporidium by Ozone in Drinking Water
Ozone: science & engineering, v 23(4)
01 Jan 2001
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Literature on ozone inactivation of Cryptosporidium was critically reviewed and analyzed. A set of criteria was established for selecting data from diverse sources and experimental protocols with the objective of compiling comparable data. Several kinetic models were evaluated ranging from the 4-parameter Hom "Power Law model to the single parameter Chick model. No single kinetic model gave a "best fit" to all of the data sets. On a case-by-case basis, the "best fit" models included the 3-parameter incomplete gamma Horn model, the 2-parameter Chick-Watson model, and the one parameter Chick model. Temperature effects were obscured in the natural water data when analyzed as a single aggregate data set. However, three natural waters each analyzed at several temperatures provided temperature effects for natural waters. While the time required to achieve 2 logs kill at 1 mg/L was approximately doubled for each 10°C drop in temperature in die laboratory waters, in natural waters the time increased by a factor of 4.5. pH apparently had little effect between pH 6 and 8 in laboratory waters while in natural waters pH 6 may enhance inactivation. "
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Details
- Title
- Design Criteria for Inactivation of Cryptosporidium by Ozone in Drinking Water
- Creators
- G.R. Finch (deceased) - Department of Civil & Environmental Engineering , University of AlbertaC.N. Haas(corresponding author) - Drexel UniversityJ.A. Oppenheimer - Montgomery Watson Engineers , Pasadena, CA, |G. Gordon - Miami UniversityR. R. Trussell - Montgomery Watson Engineers , Pasadena, CA, |
- Publication Details
- Ozone: science & engineering, v 23(4)
- Publisher
- Taylor & Francis Group
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering
- Web of Science ID
- WOS:000170783700002
- Scopus ID
- 2-s2.0-0034826826
- Other Identifier
- 991019169913104721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Engineering, Environmental
- Environmental Sciences