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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

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

Sludge solids separation theory

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

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Gravity thickeners features and blogs

HTC/AD integration flowsheet
Feature

Co-processing of sewage digestate by hydrothermal carbonisation

Hydrothermal carbonisation (HTC) can be used to co-process anaerobic digestion (AD) digestate and lignocellulosic (or plant-based) feedstocks to improve the the hydrochar product quality. This AD waste co-processing route has been studied at bench scale.

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