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Gravity thickeners

Gravity thickening increases the solids concentration by allowing the particles to settle to the base of a vessel, producing a concentrated (thickened) solids stream at the vessel base and a supernatant (diluted) stream at the surface. The thickener has the same design features as a primary sedimentation tank used for wastewater treatment, and most often has cylindrical geometry.

Gravity thickeners related videos

Gravity thickener principles (Indian School of Mines) Source: Himanshu Srivastav / YouTube

Gravity thickener principles (Indian School of Mines)

Video to demonstrate what gravity thickeners and the principles of how they work.

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Gravity thickeners features and blogs

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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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