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Quantitative evaluation and application of Cryptosporidium parvum inactivation with ozone treatment

  • M. Cho*
  • , J. Yoon
  • *Corresponding author for this work
  • Seoul National University
  • Korea Interfacial Science and Engineering Institute

Research output: Contribution to conferenceChapterpeer-review

Abstract

Despite a wealth of studies concerning the factors affecting the inactivation of Cryptosporidium parvum on ozone disinfection, practical approaches for predicting the inactivation level on ozone treatment system and determining the required ozone dose or contact time to achieve the required inactivation level remain unclear. When modified version of the "Delayed Chick-Watson model" was applied, the results show that Cryptosporidium parvum inactivation was well fitted with one unique line as "C̄Tlag" and "inactivation slope" for several water parameters and water types. Thus, this study suggests quantitative methodology for predicting the Cryptosporidium parvum inactivation level with observation for the contact time of ozone and Cryptosporidium parvum and ozone residual.

Original languageEnglish
Title of host publicationWastewater Reclamation and Reuse for Sustainability
EditorsI.S. Kim, S. Kim, J. Cho
Pages241-250
Number of pages10
Edition1-2
DOIs
StatePublished - 2007

Publication series

NameWater Science and Technology
Number1-2
Volume55
ISSN (Print)0273-1223

Keywords

  • Cryptosporidium parvum
  • Kinetics model
  • Ozone disinfection

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