Twelve large 640 square foot drinking water filters are backwashed periodically to remove sediment and other solids that are removed from Lake Michigan water in the process of making it drinking water. This video shows what happens to the granular activated carbon and sand in the filter, when it is backwashed.
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Tags : C.Gigantic Carbon PORTAL SITE แป้งมันสำปะหลัง | North Eastern Starch North Eastern Starch | แป้งมันสำปะหลัง
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