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Pyrolysis

Pyrolysis is the decomposition of organic matter at elevated temperatures (300 and 1300 °C) in the absence of oxygen at atmospheric pressures. The useful products generated are a charcoal-like biochar solid product, a bio-oil formed from ‘condensable’ volatile substances and ‘non-condensable’ gases which may include both carbon dioxide and methane.

Pyrolysis related videos

Benenv sludge drying and carbonization technology Source: Joseph Chahwan / YouTube

Benenv sludge drying and carbonization technology

Film to demonstrate Benenv's integrated sludge drying and carbonization technology.

The technology operates as a sealed pyrolysis system in the absence of oxygen, maximising evaporation of moisture from the sludge and so reducing the sludge volume by 90%.

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Pyrolysis features and blogs

HTC/AD integration flowsheet
Feature

Co-processing of sewage digestate by hydrothermal carbonisation

Hydrothermal carbonisation (HTC) can be used to co-process anaerobic digestion (AD) digestate and lignocellulosic (or plant-based) feedstocks to improve the the hydrochar product quality. This AD waste co-processing route has been studied at bench scale.

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