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Gasification

Gasification is an extension of the pyrolysis process for thermochemical treatment of sludge, with the conversion taking place in a partial reducing atmosphere at higher temperatures than those used for pyrolysis. The process aims to completely convert the carbonaceous content to a solid ash and a clean combustible gas product (called syngas) for use locally.

Gasification related videos

Example of a commercial biomass gasification process, Valmet Source: Valmet / YouTube

Example of a commercial biomass gasification process, Valmet

Animation demonstrating the workings of Valmet's gasification technology. Using biomass to generate electricity and heat in existing coal boilers.

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Gasification features and blogs

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Feature

Anaerobic digestion optimization through thermal hydrolysis pre-treatment

Pre-treatment of sludge by thermal hydrolysis upstream of anaerobic digestion is used to improve AD efficiency. A study looked at (pre-)commissioning data for a full-scale AD installation undergoing upgrading with TH to assess the basis for optimisation.

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