Iryani, Dewi Agustina and Kumagai, Satoshi and Nonaka, Moriyasu and Hirajima, Tsuyoshi (2018) Conversion of durian peel waste into chemicals and hydrochar by hydrothermal carbonization. In: Sustainable Energy and Enviromental 2018 Conference, 28-30 November 2018, Bangkok, Thailand.


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Hydrothermal carbonization (HTC) of Durian peel waste was conducted in order to investigate the effect of reaction conditions such as temperature (200-300°C) and time (3-30 min) on the characteristics of liquid and solid product (hydrochars). The experiments were performed in a batch-type reactor containing slurry of 10 ml of water and 1.2 g of solids. Each fraction of products was analyzed to investigate the alteration of the main lignocellulosic polymers by hydrothermal carbonization using hot compressed water. The results showed that by increasing the temperature and reaction time, the main of lignocellulosic polymer such as hemicellulose and cellulose was completely dissolved in the water and gradually decomposed into simple sugars, which were then degraded and decomposed into furfural, 5-(hydroxymethyl) furfural (5-HMF) and organic acids, and leaving lignin in the solid (hydrochar) product. Thus, by increasing of reaction temperature and time both was able to decrease the yield of hydrochars, however its able to increase the carbon content, heating value, and energy density. Dehydration significantly decreased the oxygen content and slightly decreased the hydrogen content of the treated material and produced the hydrochar with composition comparable to typical solid fuels such as lignite (or low rank-coal) and sub-bituminous coal.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TP Chemical technology
Divisions: Fakultas Teknik (FT) > Prodi Teknik Kimia
Depositing User: Dr. Eng Dewi Agustina Iryani
Date Deposited: 09 May 2019 05:15
Last Modified: 09 May 2019 05:15

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