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  • 标题:Microstructural study of pre-treated and enzymatic hydrolyzed bamboo
  • 作者:Funsho O. KOLAWOLE ; Shola K. KOLAWOLE ; Chioma I. MADUEKE
  • 期刊名称:Leonardo Electronic Journal of Practices and Technologies
  • 印刷版ISSN:1583-1078
  • 出版年度:2016
  • 卷号:15
  • 期号:28
  • 页码:235-252
  • 出版社:Academic Direct Publishing House
  • 摘要:

    Bamboo was used as biomass feedstock which was pre-treated using dilute acid hydrolysis followed by enzymatic hydrolysis. The bamboo was mechanical ground to particle sizes 212–500µm, followed by pre-treatment with dilute sulfuric acid at a concentration of 0.5 and 1.0 (%v/v) at temperatures of 25, 110, 120, 150 and 200°C with time intervals of 2 and 4 hours. Pre-hydrolyzate was later analyzed for reducing sugar using UV-Vis spectrophotometry. Under the above conditions, a maximum glucose yield of 153.1 mg/g was obtained at 200°C and acid concentrations of 1% for 4 hours. Water insoluble solids obtained were subsequently hydrolyzed with Celluclast ( Trichoderma reesi ) and β-glucosidase (Novozyme 188) for 72 hours. Optical Microscope and ESEM images of bamboo samples were obtained at various stages of pre-treatment and enzymatic hydrolysis. Result reveals a breakdown in the ligno-cellulosic structure of the bamboo during exposure to dilute acid and enzymatic hydrolysis.

  • 关键词:Bamboo; Biomass; Enzymatic Hydrolysis; Microstructure; Pre-treatment
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