Pulsed-power treatment for physical water treatment

The objective of the present study was to examine the validity of a physical water treatment concept using a pulsed-power system, which was based on an induced electric field via Faraday's law. Heat transfer fouling tests were conducted and fouling resistance was measured over 820 h while maint...

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Bibliographic Details
Published in:International communications in heat and mass transfer 2005-07, Vol.32 (7), p.861-871
Main Authors: Cho, Young I., Lane, John, Kim, Wontae
Format: Article
Language:English
Subjects:
Applied sciences
Calcium scaling
Electric conductivity
Exact sciences and technology
Fouling mitigation
Industrial use water
Physical water treatment
Pollution
Pulsed-power system
Water treatment and pollution
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Summary:The objective of the present study was to examine the validity of a physical water treatment concept using a pulsed-power system, which was based on an induced electric field via Faraday's law. Heat transfer fouling tests were conducted and fouling resistance was measured over 820 h while maintaining the electric conductivity of circulating water at 2000 μmho/cm. The fouling resistance for the baseline case, which included a 20-μm filter, increased well over the industry standard allowance level, whereas the fouling resistance was remained essentially zero throughout the test period when the PPS was used in conjunction with a 20-μm filter. The test was repeated with water having an electric conductivity of 4000 μmho/cm and similar results were observed.
ISSN:0735-1933
1879-0178
DOI:10.1016/j.icheatmasstransfer.2004.10.033