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http://dx.doi.org/10.4491/KSEE.2011.33.6.426

Removal of Bacteriophage T7 from Artificial groundwater by Layered Double Hydroxide  

Park, Jeong-Ann (Environmental Biocolloid Engineering Laboratory, Seoul National University)
Lee, Chang-Gu (Environmental Biocolloid Engineering Laboratory, Seoul National University)
Kang, Jin-Kyu (Environmental Biocolloid Engineering Laboratory, Seoul National University)
Kim, Song-Bae (Department of Rural Systems Engineering.Research Institute for Agriculture and Life Sciences, Seoul National University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.33, no.6, 2011 , pp. 426-431 More about this Journal
Abstract
The objective of this study was to investigate the virus removal from artificial groundwater using Mg-Fe layered double hydroxide (LDH). Batch experiments were conducted under various experimental conditions to examine bacteriophage T7 removal with Mg-Fe LDH. Results showed that the removal of T7 by Mg-Fe LDH was a fast process, reaching equilibrium within 2~3 hrs. Mg-Fe LDH had the virus removal capacity of $1.57{\times}10^8pfu/g$ with a removal percent of 96%. Results also showed that the effect of solution pH on T7 removal was minimal between pH 6.2 and 9.1. The influence of anions ($SO_4^{2-}$, $CO_3^{2-}$, $HPO_4^{2-}$) on T7 removal was significant due to their competition with bacteriophage at the sorption sites on LDH, while the effect of $NO_3^-$ was negligible. This study demonstrated that Mg-Fe LDH could be applied as adsorbents for virus removal in water treatment.
Keywords
Layered Double Hydroxide; Virus Removal; Bacteriophage T7; Sorption; Batch Test;
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