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Incineration

Incineration − or combustion − of sewage sludge is the most widely-implemented alternative end disposal method after land spreading. It oxidatively converts the organic carbon, nitrogen, sulphur, nitrogen and phosphorus into gaseous and predominantly mineral solid products. It is effective in eliminating the feed organics, produces little odour, and generates a stable solid ash product which is stable and reusable. The heat generated can be recovered from the flue gas stream and reused directly and/or converted to electrical power.

Incineration related videos

Bubbling vs recirculating bed reactor configurations Source: Convergence Training by Vector Solutions / YouTube

Bubbling vs recirculating bed reactor configurations

Bubbling vs recirculating bed reactor configurations − an animation demonstrating the workings of a fluidized bed boiler. A taster of a full video developed by Convergence Training by Vector Solutions.

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Incineration 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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More process and operation topics…