Chemical Composition, Pretreatments And Saccharification Of Senna Siamea (Lam.) Hs Irwin & Barneby: An Efficient Biomass Producing Tree Legume
BIORESOURCE TECHNOLOGY(2016)
摘要
Protocols were developed for efficient release of glucose from the biomass of Senna siamea, one of the highly efficient biomass producing tree legumes. Composition of mature, 1 year and 2 years coppice biomass were analysed. For the hydrolysis of the glucan, two pretreatments, cellulose solvent-and organic solvent-based lignocellulose fractionation (COSLIF) and alkali (sodium hydroxide) were used; COSLIF (85% phosphoric acid, 45 min incubation at 50 degrees C) pretreated mature biomass exhibited best result in which 88.90% glucose released after 72 h of incubation with the use of 5 filter paper units (FPU) of cellulase and 10 international units (IU) of beta-glucosidase per gram of glucan. Of the biomass of different particle sizes (40-200 mesh) used for saccharification, 40-60 mesh shown the maximum glucose release. COSLIF pretreated mature, 1 year and 2 years coppice biomass showed equivalent glucose release profiles. (C) 2016 Elsevier Ltd. All rights reserved.
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关键词
Bioethanol,Biomass composition,Pretreatments,Saccharification,Senna siamea
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