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Hydrothermal carbonisation

Hydrothermal carbonisation (HTC) converts sludge predominantly into a carbon-rich hydrochar solid product. The process is conducted at temperatures generally between 180 and 300 °C, with corresponding pressures above 10−88 bar to ensure that the water is maintained in the liquid state. Reaction times ranging between 0.1 and 4h have been employed. The precise conditions of temperature, pressure and time selected depend both on the feed sludge quality and the target yield and characteristics of the hydrochar product.

Hydrothermal carbonisation related videos

TerraNova® Ultra Hydrothermal Carbonization of Sewage Sludge Source: TerraNovaEnergy / YouTube

TerraNova® Ultra Hydrothermal Carbonization of Sewage Sludge

A video to demonstrate the principles of the TerraNova® Ultra Hydrothermal Carbonization of sewage sludge.

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Hydrothermal carbonisation 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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