Optimization of Xylose Recovery in Oil Palm Empty Fruit Bunches for Xylitol Production
Source abstract
Abstract
The hardest obstacle to make use of lignocellulosic biomass by using green technology is the existence of lignin. It can hinder enzyme reactions with cellulose or hemicellulose as a substrate. Oil palm empty fruit bunches (OPEFBs) consist of hemicellulose with xylan as the main component. Xylitol production via fermentation could use this xylan since it can be converted into xylose. Several pretreatment processes were explored to increase sugar recovery from lignocellulosic biomass. Considering that hemicellulose is more susceptible to heat than cellulose, the hydrothermal process was applied to OPEFB before it was hydrolyzed enzymatically. The purpose of this study was to investigate the effect of temperature, solid loading, and pretreatment time on the OPEFB hydrothermal process. The xylose concentration in OPEFB hydrolysate was analyzed using high-performance liquid chromatography (HPLC). The results indicated that temperature was more important than pretreatment time and solid loading for OPEFB sugar recovery. The optimum temperature, solid loading, and pretreatment time for maximum xylose recovery from pretreated OPEFB were 165 °C, 7%, and 60 min, respectively, giving a xylose recovery of 0.061 g/g of pretreated OPEFB (35% of OPEFB xylan was recovered).
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Research context
OpenAlex topics: Biofuel production and bioconversion · Catalysis for Biomass Conversion · Microbial Metabolic Engineering and Bioproduction
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Chemical Engineering, Institut Teknologi Bandung, Bandung 40135, Indonesia
Chemical Engineering Department, Politeknik Negeri Malang, Malang 65141, Indonesia
Food Engineering Department, Institut Teknologi Bandung, Jatinangor Campus, Sumedang 45363, Indonesia
Center for Environmental Studies (PSLH), Institut Teknologi Bandung, Bandung 40135, Indonesia
Department of Biological Sciences, Nicholls State University, Thibodaux, LA 70301, USA
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