Recent Progress on Emerging Applications of Hydrochar

Md Tahmid Islam, Al Ibtida Sultana, Cadianne Chambers, Swarna Saha, Nepu Saha, Kawnish Kirtania and M. Toufiq Reza ()
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Md Tahmid Islam: Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 W University Boulevard, Melbourne, FL 32901, USA
Al Ibtida Sultana: Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 W University Boulevard, Melbourne, FL 32901, USA
Cadianne Chambers: Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 W University Boulevard, Melbourne, FL 32901, USA
Swarna Saha: Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 W University Boulevard, Melbourne, FL 32901, USA
Nepu Saha: Energy and Environmental Science & Technology, Idaho National Laboratory, 750 MK Simpson Boulevard, Idaho Falls, ID 83402, USA
Kawnish Kirtania: Department of Chemical Engineering, Bangladesh University of Engineering and Technology, Dhaka 1000, Bangladesh
M. Toufiq Reza: Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, 150 W University Boulevard, Melbourne, FL 32901, USA

Energies, 2022, vol. 15, issue 24, 1-45

Abstract: Hydrothermal carbonization (HTC) is a prominent thermochemical technology that can convert high-moisture waste into a valuable product (called hydrochar) at a relatively mild treatment condition (180–260 °C and 2–10 MPa). With rapidly growing research on HTC and hydrochar in recent years, review articles addressing the current and future direction of this research are scarce. Hence, this article aims to review various emerging applications of hydrochars, e.g., from solid fuel to soil amendment, from electron storage to hydrogen storage, from dye adsorption, toxin adsorption, heavy metal adsorption to nutrient recovery, and from carbon capture to carbon sequestration, etc. This article further provides an insight in the hydrochar’s working mechanism for various applications and how the applications can be improved through chemical modification of the hydrochar. Finally, new perspectives with appropriate recommendations have been made to further unveil potential applications and its improvement through hydrochar and its modified version.

Keywords: hydrothermal carbonization; hydrochar; biomass; fuel; gas adsorption; water purification (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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