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Centrifuges

Centrifugal thickening increases the sludge concentration by encouraging the particles to migrate to the walls of a rapidly rotating cylindrical vessel under the influence of a centrifugal force. Thickening centrifuges employ relatively low speeds, compared to dewatering centrifuges, such that the product sludge retains the free-flowing properties of the feed and can therefore still be pumped

Centrifuges related videos

Sludge solids separation theory Source: Judd Water & Wastewater Consultants / YouTube

Sludge solids separation theory

Sludge solids separation theory āˆ’ a brief introduction to the theories around sludge sedimentation, cake filtration and cake compression.

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Centrifuges features and blogs

Fig. 4.  SP filtrate and acidified sludge samples
Feature

Phosphorus recovery by sludge acidification and dewatering

A pilot-scale Danish study of phosphorus extraction from acidified anaerobic and aerobic sludge samples has revealed removal to be more effective from anaerobic sludges, even though the digested sludge alkalinity increases the total acid demand.

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