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AWWA WKICO66063
- Promising Silica Scrub Procedure for Improving As Adsorption Media Capacity
- Conference Proceeding by American Water Works Association, 01/01/2008
- Publisher: AWWA
$12.00$24.00
This powerpoint presentation presents a "silica scrub" procedure for improving arsenic adsorption media capacity. "Silica Scrubbing" is Severn Trent's term for reducing SiO<sub>2</sub> interference. It is apatented process that uses anoff-line procedure to dissolve SiO<sub>2</sub> from media surface involvingin situ media treatment, with theinitial step prior to routine backwash. Process chemistry and procedure are outlined, along with bench scale testing, on site pilot testing, the Susanville, California, CDC Pilot, silica scrub results, and SiO<sub>2</sub> Scrub Status. Includes figures.
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