Efficient Feeding

A new polymer blending and activation system helps an Illinois treatment plant reduce chemical costs and improve the solids process
Efficient Feeding
The processed biosolids material is eventually used as fertilizer.

In fall 2007, operators at the Marengo (Ill.) Wastewater Treatment Plant were experiencing challenges with the liquid-polymer feed system, a key part of the biosolids process.

The 0.9 mgd Marengo plant, serving a growing municipality of 8,000 about 60 miles northwest of Chicago,...

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