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Gravity belt thickeners

Gravity belt thickening (GBT) thickens sludge by allowing the water (or filtrate) to drain from the sludge under gravity through a permeable medium (a recirculating conveyor belt) on which the sludge sits. The sludge solids concentration is increased along the length of a porous belt as water drains through it, the sludge solids forming a layer on the belt surface.

Gravity belt thickeners related videos

Gravity belt thickener, Alfa Laval Source: Alfa Laval / YouTube

Gravity belt thickener, Alfa Laval

A video to demonstrate the workings of the Alfa Laval AS-H gravity belt thickener which can be used for municipal sludge, and industrial sludge that flocculates.

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Gravity belt 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. Read article

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