The King County South Treatment Plant in Renton, Washington, has found monitoring the solids loading to the dissolved air flotation thickener (DAFT) tanks yields the timely signal needed for effective control of polymer dosing during sludge thickening (THS). The trick, according to Curtis Steinke, Process Analyst at the Renton plant, was to find a suspended solids sensor that stands up to the task in such a harsh environment. He found his answer at work in another process at the same plant.

https://vshow.on24.com/vshow/hachwaterquality/content/529866

Municipal Water

Wastewater