Better Way to Feed

A new method of polymer addition helps an Illinois plant produce drier biosolids and reduce polymer costs significantly.
Better Way to Feed
Anne George, plant superintendent, uses a polymer Drumstik to discharge polymer from a drum.

The 17-year-old polymer feed system for biosolids at the Northside Wastewater Treatment Plant in Woodstock, Ill., was outdated and parts were no longer available because the manufacturer had gone out of business.

“The old unit was working flawlessly, but we worried that one day...

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