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Biosolids are dewatered to 18 percent solids in a gravity thickener and this 1.5-meter three-belt press (MSD Environmental Services) before being mixed in with quicklime and sulfamic acid.
Innovative solutions in wastewater are not limited to treatment plants in big cities. Small or midsized operations can be progressive as well.
The Russellville (Arkansas) Pollution Control Works Facility was faced with a challenge when its Class B biosolids no longer could be...
