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Centrifuges

Centrifugal dewatering 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. Relatively high rotation speeds are employed to produce a cake product having a substantially higher solids concentration than the thickened sludge product produced by centrifugal thickening.

Centrifuges related videos

Solid bowl decanting centrifuge, Alfa Laval Source: Alfa Laval / YouTube

Solid bowl decanting centrifuge, Alfa Laval

Alfa Laval's decanter centrifuge for sludge thickening and dewatering in operation − for use in wastewater treatment.

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Centrifuges features and blogs

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Feature

Anaerobic digestion optimization through thermal hydrolysis pre-treatment

Pre-treatment of sludge by thermal hydrolysis upstream of anaerobic digestion is used to improve AD efficiency. A study looked at (pre-)commissioning data for a full-scale AD installation undergoing upgrading with TH to assess the basis for optimisation.

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