Removal of encephalitozoon intestinalis, calicivirus, and coliphages by conventional drinking water treatment

Charles P. Gerba, Kelley R. Riley, Nena Nwachuku, Hodon Ryu, Morteza Abbaszadegan

Research output: Contribution to journalArticle

32 Scopus citations

Abstract

The removal of the Microsporidia, Encephalitozoon intestinalis, feline calicivirus and coliphages MS-2, PRD-1, and Fr were evaluated during conventional drinking water treatment in a pilot plant. The treatment consisted of coagulation, sedimentation, and mixed media filtration. Fr coliphage was removed the most (3.21 log), followed by feline calicivirus (3.05 log), E. coli (2.67 log), E. intestinalis (2.47 log), MS-2 (2.51 log), and PRD-1 (1.85 log). With the exception of PRD-1 the greatest removal of the viruses occurred during the flocculation step of the water treatment process.

Original languageEnglish (US)
Pages (from-to)1259-1268
Number of pages10
JournalJournal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Volume38
Issue number7
DOIs
StatePublished - Aug 15 2003

Keywords

  • Calicivirus
  • Conventional water treatment
  • Encephalitozoon intestinalis
  • Filtration
  • Flocculation
  • Fr
  • MS-2
  • Microsporidia
  • PRD-1

ASJC Scopus subject areas

  • Environmental Engineering

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