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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Qin, Lei Yuan, Ying-Jin Li, Bing-Zhi Liu, Zhi-Hua Jin, Mingjie |
| Description | Author Affiliation: Qin L ( Key Laboratory of Systems Bioengineering, Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China.) |
| Abstract | Aqueous ammonia pretreatment was optimized and the limiting factors in high solids enzymatic hydrolysis were assessed. The recommended pretreatment condition to achieve high enzymatic yield was: 180 °C, 20% (w/w) ammonia, 30 min, and 20% solids content. FT-IR and GC-MS results indicated that most of the lignin was degraded to soluble fragments after pretreatment. The pretreated solids after post-washing showed higher enzymatic digestibility at high solids loading than that without washing. The washed solids required lower cellulase and xylanase dosage than unwashed solids to achieve high sugar yield. Enzymatic conversions were declined with the increased solids loading of pretreated solids, pretreated-washed solids, and filter papers. The results indicated that solids loading in enzymatic hydrolysis was an important factor affecting sugar yield. The increasing concentration of glucose and ligno-phenolics mainly inhibited the enzymatic hydrolysis of aqueous ammonia pretreated corn stover. |
| ISSN | 09608524 |
| Volume Number | 146 |
| e-ISSN | 18732976 |
| Journal | Bioresource Technology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-10-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Ammonia Chemistry Biofuels Carbohydrates Glucose Phenol Biomass Cellulase Cellulose Filtration Gas Chromatography-mass Spectrometry Hydrolysis Spectroscopy, Fourier Transform Infrared Temperature Time Factors Water Xylans Zea Mays Journal Article Research Support, Non-u.s. Gov't Discipline Bioresource |
| Content Type | Text |
| Resource Type | Article |
| Subject | Waste Management and Disposal Medicine Environmental Engineering Renewable Energy, Sustainability and the Environment Bioengineering |
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