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Conditioning

Sludge thickening and dewatering processes normally require pre-treatment to assist the separation of the water from the solids. This pre-treatment is referred to as conditioning, which takes the form of either chemical dosing or thermal treatment.

Conditioning related videos

The CAMBI hydrothermal sludge treatment process Source: CAMBI THP / YouTube

The CAMBI hydrothermal sludge treatment process

Video demonstrating the CAMBI THP and anaerobic digestion process to produce biogas.

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Conditioning features and blogs

Fig. 4.  SP filtrate and acidified sludge samples
Feature

Phosphorus recovery by sludge acidification and dewatering

A pilot-scale Danish study of phosphorus extraction from acidified anaerobic and aerobic sludge samples has revealed removal to be more effective from anaerobic sludges, even though the digested sludge alkalinity increases the total acid demand.

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