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2010-0264(Print)
2972-3698(Online)
Int. J. Environ. Sci. Dev.
Bimonthly
10.18178/IJESD
Prof. Richard Haynes
Prof. Gordon Huang; Prof. Marc Rosen
Ms. Cherry L. Chen
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editor@ijesd.org
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Home > Articles > All Issues > 2016 > Volume 7 Number 6 (Jun. 2016) >
IJESD 2016 Vol.7(6): 425-430 ISSN: 2010-0264 DOI: 10.7763/IJESD.2016.V7.813

A Review on Pilot-Scale Applications of Hydrothermal Treatment for Upgrading Waste Materials

Abstract—In this paper, a review on applications of hydrothermal treatment (HTT) for upgrading waste materials was presented. This work was focused on pilot-scale HTT processes that applied to several kinds of waste for alternative solid biofuel production. The HTT utilizes subcritical water condition that has special properties as an organic solvent. With the temperature around 180–240 °C and the corresponding pressure that keeps the water in the liquid phase, many reactions are induced by the subcritical water such as hydrolysis and dehydration. The waste materials that had been subjected to the HTT processes by pilot-scale reactors such as paper sludge, antibiotic residue, and municipal solid waste were reviewed herein. Moreover, a novel application of HTT on hospital waste treatment has been carried out in a pilot-scale level. Results showed positive effects and consistency with the previous research works. Thus, the HTT showed possibility to be an option for pretreating waste materials prior to final conversion processes.

Index Terms—Hydrothermal treatment, high moisture waste, pilot-scale hydrothermal, solid biofuel.

C. Areeprasert is with the Department of Mechanical Engineering, Faculty of Engineering, Kasetsart University, 50 Ngam Wong Wan Rd., Ladyaow Chatuchak, Bangkok 10900, Thailand (e-mail: fengcta@ku.ac.th).
D. Ma and K. Yoshikawa are with the Department of Environmental Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8502, Japan (e-mail: caihechenzi@hotmail.com, yoshikawa.k.aa@m.titech.ac.jp).
P. Prayoga was with the Department of Environmental Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8502, Japan (e-mail: patrickprayogawbw@gmail.com).

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Cite: Chinnathan Areeprasert, Dachao Ma, Patrick Prayoga, and Kunio Yoshikawa, "A Review on Pilot-Scale Applications of Hydrothermal Treatment for Upgrading Waste Materials," International Journal of Environmental Science and Development vol. 7, no. 6, pp. 425-430, 2016.

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