Optimization of various pretreatments condition of kenaf core (Hibiscus cannabinus) fibre for sugar production: Effect of chemical compositions of pretreated fibre on enzymatic hydrolysability
作者： Ying Ying Tye , Keat Teong Lee , Wan Nadiah Wan Abdullah , Cheu Peng Leh
DOI: 10.1016/J.RENENE.2016.06.040
关键词:
摘要: Abstract In this work, the effects of various pretreatments’ parameters on kenaf core fibre were analyzed statistically and optimized using Response Surface Methodology based total glucose yield. The chemical compositions pretreated fibres examined to discuss effect pretreatment hydrolysability comprehensively. results showed that estimation model for each polynomial equations. optimum conditions water, acid alkali pretreatments 170 °C 45 min, 120 °C 90 min in 2.0% H2SO4 solution 140 °C 60 min 3.0% NaOH solution, respectively. Among three pretreatments, water achieved highest yield (25.5%), followed by (20.0%) (18.2%) pretreatments. Based analysis, both capable eliminating almost 100% hemicellulose with negligible removal lignin while removed more than 60%. This result revealed greater influential enhancing enzymatic accessibility hence, fibre.
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