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http://dx.doi.org/10.14579/MEMBRANE_JOURNAL.2015.25.6.503

A Study of Filtralite Media Applicability for Development F/A Process of Membrane Filtration Pre-treatment Process in the Water Purification Plant  

Kim, JUN-Hyun (Water Quality Research Center, Waterworks Headquarters, Incheon Metropolitan City)
Jun, Yong-sung (Water Quality Research Center, Waterworks Headquarters, Incheon Metropolitan City)
Kwak, Young-ju (Water Quality Research Center, Waterworks Headquarters, Incheon Metropolitan City)
Jang, Jung Woo (ECONITY Co., Ltd.)
Publication Information
Membrane Journal / v.25, no.6, 2015 , pp. 503-514 More about this Journal
Abstract
In this study, water purification system without coagulant was consisted of F/A and membrane to produce purified water which only uses physical treatment without coagulant. Because the use of coagulant has a possibility remaining of hazardous aluminum with our health. Especially, the Filtralite was reviewed the possibility to remove turbidity and organic material. It was found that the turbidity removal rate of Filtralite was 83~84%. It show that Filtralite has similar efficiency to sand-filter. But Filtralite has higher 50% removal rate of organic material than sand-filter due to well-developed pore on the surface of it. So, Filtralite could be used to substitute the sand-filter for the F/A process due to higher removal rate. And also coupled with activated carbon in F/A process, TMP was increased by TOC value. To prevent increasing TMP, media that has outstanding organic adsorption ability should be used.
Keywords
Media; Filtralite; Pre-trement; Membrane filtration; Sand-filter;
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