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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

Schematic of intensification of AD by thermal hydrolysis, showing thickening, TH, AD and post-AD DW. Coversion of biogas be CHP engine included.
Blog

Pretty intense: the intensification of sewage sludge processes

Sludge intensification processes increase the sewage sludge solids concentration through thickening/dewatering or the biogas generation by digestion. But at what point do you stop extracting more water from the sludge or enhancing biogas production?

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