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The Volute has been specifically developed to meet the challenges of small to medium scale sewage, leachate and industrial plant sludges.
The Volute can be used either to thicken low concentration sludge to 4 7% DS (dry solids content) or to dewater low concentration sludge to 15-20% DS in a single step.
After passing through the flow control and flocculation tanks, the sludge enters the non-clog thickening/dewatering zone.
As the sludge progresses, mechanical pressure increases to optimise the performance efficiency.
Sludge can be taken directly from source (e.g. settlement tank, aeration tank or digestor), which means upstream storage tanks are not required.
As the thickened/dewatered sludge is low volume the costs of downstream storage tanks, transport and recycling/disposal are greatly reduced.
The Volutes high efficiency dewatering capability and non-clog design means that power, water consumption and maintenance costs are extremely low.