Evaluation of the Environmental Feasibility of HTC Applied to the Organic Fraction Mechanically Separated From MSW

Conference Dates

June 5 – 10, 2022


Undersieve fraction (USF) is the by-product of municipal solid waste (MSW) mechanical treatment aimed at producing combustible stream or solid recovered fuel (SRF).

USF has rather high moisture and not negligible organic biodegradable content. Thus, it can be successfully treated by hydrothermal carbonization (HTC), to obtain as a product the hydrochar (HC) with improved combustible properties.

The authors already preliminarily investigated the HTC process for the USF, at laboratory scale. However, both the comparison of the most appropriate process conditions (temperature, dilution rate and duration) and the different fate of the generated HC and process water (PW), should be analyzed considering the overall sustainability of the system, thus by Life Cycle Assessment (LCA), to provide clues for future industrial realization.

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