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AWWA DSS91024
- Maintenance of Slow Sand Filter
- Conference Proceeding by American Water Works Association, 01/01/1992
- Publisher: AWWA
$12.00$24.00
The City of Salem, Oregon has found many advantages to using slow sand filters. Among the benefits are: minimal operation time; 8-10 weeks between cleaning times; very effective in the removal of giardia cysts; media replacement occurs about every 12 years; produces high quality water at a relatively low cost.