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WAS Thickening Product Solution
Municipal Wastewater
Solutions for Wastewater Treatment & Management
FRC Components
Open-Style DAF
Project Description
The northern municipality of Luverne's existing secondary clarifier thickened the Waste Activated Sludge (WAS) generated from an oxidation ditch process to yield 0.5-1% dry solids. The anaerobic digestor which followed the thickening process had become hydraulically overloaded prompting a need to further reduce WAS volume. FRCs design provided a DAF thickener after the clarifier to further reduce WAS volume and achieve 4-5% dry solids before sending it to the anaerobic digestor.
The FRC Solution
DAF – Thickens the waste activated sludge
Parameter | Design | Effluent |
Flow (gpm) | 15-20 | - |
% Dry Solids | 0.5-1 | 4-5 |
Design Data
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