دانلود مقاله ISI انگلیسی شماره 148660
کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
148660 2018 37 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.
عنوان انگلیسی
Case StudyMulti-step approach to add value to corncob: Production of biomass-degrading enzymes, lignin and fermentable sugars
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Bioresource Technology, Volume 247, January 2018, Pages 582-590

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چکیده انگلیسی

This work presents an integrated and multi-step approach for the recovery and/or application of the lignocellulosic fractions from corncob in the production of high value added compounds as xylo-oligosaccharides, enzymes, fermentable sugars, and lignin in terms of biorefinery concept. For that, liquid hot water followed by enzymatic hydrolysis were used. Liquid hot water was performed using different residence times (10–50 min) and holding temperature (180–200 °C), corresponding to severities (log(R0)) of 3.36–4.64. The most severe conditions showed higher xylo-oligosaccharides extraction (maximum of 93%) into the hydrolysates and higher recovery of cellulose on pretreated solids (maximum of 65%). Subsequently, hydrolysates and solids were used in the production of xylanases and cellulases, respectively, as well as, pretreated solids were also subjected to enzymatic hydrolysis for the recovery of lignin and fermentable sugars from cellulose. Maximum glucose yield (100%) was achieved for solids pretreated at log(R0) of 4.42 and 5% solid loading.

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