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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

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

Solid bowl centrifuge decanting centrifuge, Alfa Laval

Alfa Laval's solid bowl decanting centrifuge for sludge thickening and dewatering in wastewater treatment.

Centrifuges features and blogs

Blog eu biosolids disposal header

Biosolids vs sewage sludge

Biosolids are usually considered to be the useful fraction of the sewage sludge. They are generally higher in solids concentration and lower in pathogen content, having gone through a stabilisation process such as chemical dosing, digestion and/or drying.

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