5-Hydroxymethylfurfural production from watermelon peel by microwave hydrothermal liquefaction

Yuchao Shao, Yuyang Long, Ying Zhou, Zhiyuan Jin, Dan Zhou and Dongsheng Shen

Energy, 2019, vol. 174, issue C, 198-205

Abstract: Microwave hydrothermal liquefaction (MHTL) was introduced to transform watermelon peel to 5-hydroxymethylfurfural (HMF), a top value added chemical from biomass. The key MHTL process parameters of holding temperature, holding time, and liquid-to-solid ratio were optimized by a Box-Behnken design and response surface methodology. The highest HMF yield (3.8%) was obtained with a holding temperature of 135 °C, holding time of 6 min, and liquid-to-solid ratio of 12:1, respectively. The economic evaluation showed that 1.52 kg of HMF could be obtained from 1 t of fresh watermelon peel under the optimum MHTL conditions. It indicates a feasible and environmental friendly waste valorization method.

Keywords: Microwave hydrothermal liquefaction; Watermelon peel; 5-Hydroxymethylfurfural; Response surface methodology (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:174:y:2019:i:c:p:198-205

DOI: 10.1016/j.energy.2019.02.181

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