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Supercritical water oxidation

Supercritical water oxidation (SCWO) refers to the rapid oxidation of organics in water in the supercritical phase of water. 'Supercritical’ refers to the state of water within a specific region of pressure (>218 bar) and temperature (>374 °C) where water becomes both a solvent and oxidant for all chemical species.

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Supercritical water oxidation 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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