کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7064082 | 1459821 | 2015 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Steam explosion pretreatment and enzymatic saccharification of duckweed (Lemna minor) biomass
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کلمات کلیدی
DNSCWMFWMWSMFDMSteam explosion - انفجار بخارalcohol-insoluble residue - باقی مانده از الکل-غیر محلولBeta-glucosidase - بتا گلوکوزیدازGOPOD - خداحافظDuckweed - داوودیDinitrosalicylic ACID - دینیتروسالسیلیک اسیدCellulase - سلولازLemna minor - لمن کوچکcell wall material - مواد دیوار سلولیAIR - هواEnzymatic saccharification - واکنش زنجیره ای آنزیمیWIM - ویم
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تکنولوژی و شیمی فرآیندی
پیش نمایش صفحه اول مقاله

چکیده انگلیسی
Our previous research has shown that duckweed is potentially an ideal feedstock for the production of biofuels because it can be effectively saccharified enzymatically. Here we report the results of experiments in which duckweed was pre-treated by steam explosion prior to enzyme digestion. A range of temperatures, from 130 to 230 °C with a fixed retention time of 10 min, were employed. The best pretreatment conditions were 210 °C for 10 min; these conditions produced the highest amount of water-soluble material (70%), the greatest levels of starch solubilisation (21%) and hemicellulose and pectic polysaccharides degradation (60%). The use of these steam explosion conditions enabled large reductions in the concentrations of enzymes required for effective saccharification. The amount of Celluclast required was reduced from 100 U (4.35 FPU) gâ1 substrate to 20 U gâ1 substrate, and additional beta-glucosidase was reduced from 100 to 2 U gâ1 substrate.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biomass and Bioenergy - Volume 72, January 2015, Pages 206-215
Journal: Biomass and Bioenergy - Volume 72, January 2015, Pages 206-215
نویسندگان
X. Zhao, G.K. Moates, D.R. Wilson, R.J. Ghogare, M.J. Coleman, K.W. Waldron,