Picket Fence Thickeners

Response Group manufacture Picket Fence Thickeners (PFTs) for the initial treatment of sludges in the wastewater industry, The Picket Fence Thickener is designed to promote agglomeration of the sludge particles and produce a post-clarifier sludge with higher solids concentration. The Picket Fence Thickener as the name suggests comprises a series of vertical posts supported on a structure that spans the consolidation tank. As the picket fence rotates slowly about the centre of the tank a series of vertical passageways are generated which permit the movement to the surface of separated water and micro-bubbles released from the floccs. The Picket Fence Thickener is a fixed bridge structure. The basic PFT includes the bridge structure, drive unit and motor, central drive shaft, diffuser box and picket fence assembly with scraper blades. In situations where desludging is likely to create odour nuisance a removable GRP roof can be supplied for odour containment prior to filtration.