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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

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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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