Journal
SEPARATION AND PURIFICATION TECHNOLOGY
Volume 107, Issue -, Pages 79-84Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.seppur.2013.01.017
Keywords
Bacteriophage; Drinking water treatment; Hydrophobicity; Zeta potential
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Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan
- Ministry of Health, Labor and Welfare of Japan
- Kurita Water and Environment Foundation Research Grant
- Grants-in-Aid for Scientific Research [25709044] Funding Source: KAKEN
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We investigated the removal of bacteriophages by adsorption on commercially available powdered activated carbon (N-PAC, median diameter >10 mu m) and super-powdered activated carbon (S-PAC, median diameter 0.7-2.8 mu m). N-PACs failed to remove the virus in Milli-Q water buffered with 100 mu M Ca2+, but some S-PACs successfully removed it under the same condition. Three factors contributed substantially to virus removal: a smaller electrophoretic repulsive force between the virus and the PAC particles, a large proportion of pores 20-50 nm in diameter, and a greater hydrophobicity of the virus surface. (C) 2013 Published by Elsevier B.V.
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