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New Approach To Produce Water Free of Bacteria, Viruses, and Halogens in a Recyclable System
Faculty
Science
Year:
2011
Type of Publication:
Article
Pages:
847-853
Authors:
Ahmed, Abd El-Shafey I, Cavalli, Gabriel, Bushell, Michael E, Wardell, John N, Pedley, Steve, Charles, Katarina, Hay, John N
DOI:
10.1128/AEM.01645-10
Journal:
APPLIED AND ENVIRONMENTAL MICROBIOLOGY AMER SOC MICROBIOLOGY
Volume:
77
Research Area:
Biotechnology \& Applied Microbiology; Microbiology
ISSN
ISI:000286597100018
Keywords :
, Approach , Produce Water Free , Bacteria, Viruses,
Abstract:
The antimicrobial activity of a new cross-linked N-halamine polymer against bacteria and viruses was evaluated. The polymer achieved a 9-log(10) reduction of bacteria (both Escherichia coli and Staphylococcus aureus) in 1.5 h and a 5-log(10) reduction of bacteriophage PRD1 in 3 h. At the same time, the ability of the nonhalogenated polymer to trap halide ions was examined. The polymer was incorporated into a multifiltration system to study the ability to produce water free of bacteria, viruses, and halide ions. The antimicrobial activity, useful lifetime, halide ion level, and recycling possibilities of the system were quantified on a laboratory scale. A design for a large-scale multifiltration system based on this polymer is proposed.
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