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Thermal destruction - non-oxidative

Non-oxidative thermochemical treatment of sewage sludge refers to treatment at elevated temperatures in the absence of oxygen. Methods include hydrothermal processes (HTPs), pyrolysis, and gasification, where gasification is based on partial oxidation of the organic carbon. Whereas pyrolysis and gasification require a substantially dry sludge product, HTPs are effective for sludges having a significant water content.

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Example of biomass pyrolysis treatment scheme Source: skocu / YouTube

Example of biomass pyrolysis treatment scheme

Example of biomass pyrolysis treatment scheme, whereby biomass is subjected to high temperatures, to concentrate the carbon and improve its grindability.

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Thermal destruction - non-oxidative features and blogs

PFAS molecule

How do you solve a problem like PFAS?

PFAS (per- and polyfluoroalkyl substances) are generated from the breakdown of fluorinated polymers. The activation barrier for their breakdown is huge and the only fully commercialised processes possibly capable of destroying PFAS are thermochemical ones.

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