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Hydrothermal carbonization of food waste as sustainable energy conversion path.

Authors :: Son Le H
Chen WH
Forruque Ahmed S
Said Z
Rafa N
Tuan Le A
Ağbulut Ü
Veza I
Phuong Nguyen X
Quang Duong X
Huang Z
Hoang AT
Source :: Bioresource technology [Bioresour Technol] 2022 Nov; Vol. 363, pp. 127958. Date of Electronic Publication: 2022 Sep 13.
Publication Year :: 2022
Abstract: Every day, a large amount of food waste (FW) is released into the environment, causing financial loss and unpredictable consequences in the world, highlighting the urgency of finding a suitable approach to treating FW. As moisture content makes up 75% of the FW, hydrothermal carbonization (HTC) is a beneficial process for the treatment of FW since it does not require extensive drying. Moreover, the process is considered favorable for carbon sequestration to mitigate climate change in comparison with other processes because the majority of the carbon in FW is integrated into hydrochar. In this work, the reaction mechanism and factors affecting the HTC of FW are scrutinized. Moreover, the physicochemical properties of products after the HTC of FW are critically presented. In general, HTC of FW is considered a promising approach aiming to attain simultaneously-two core benefits on economy and energy in the sustainable development strategy.<br />Competing Interests: Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.<br /> (Copyright © 2022 Elsevier Ltd. All rights reserved.)