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Mosier, N., Wyman, C., Dale, B., Elander, R., Lee, Y.Y., Holtzapple, M. and Ladisch, M. (2005) Features of Promising Technologies for Pretreatment of Lignocellulosic Biomass. Bioresource Technology, 96, 673-686.

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• TITLE: Monosaccharide Recovery from Peat and Peatified Wood by Ultrasonication Pretreatment and Hydrothermal Treatment

  AUTHORS: Moriyasu Nonaka, Tsuyoshi Hirajima, Satoshi Kumagai

  KEYWORDS: Peat, Peatified Wood, Hydrothermal Treatment, Ultrasonication, Monosaccharide

  JOURNAL NAME: International Journal of Clean Coal and Energy, Vol.6 No.2, May 22, 2017

  ABSTRACT: Peat and peatified wood are significant carbohydrate resources in tropical rainforests. The carbohydrates of cellulose and hemicellulose are important sources of monosaccharides for both vital activities and industrial applications, such as furan production of furfural and hydroxymethyl furfural. Hydrothermal treatment at 200°C and ultrasonic irradiation pretreatment were used to recover monosaccharides from the abovementioned resources. The monosaccharide recovery from peat was shown to be higher than that from peatified wood. The conversion to organic acids is considered to proceed rapidly because acids are always detected with monosaccharides. This conversion is outstripped by the organic acid-to-gas reaction for treatment times longer than 20 min. The monosaccharide recovery from peatified wood was improved by the ultrasonication pretreatment. It is considered that ultrasonic irradiation broke down lignin blockages, enabling water molecules to access the carbohydrates more easily in the subsequent hydrothermal treatment.