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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Park, Sunkyu Flanegan, Keith Wang, Wei Tenlep, Lisette Tucker, Melvin Kuhn, Erik Tao, Ling Chen, Xiaowen Trass, Olev |
| Description | Author Affiliation: Chen X ( National Bioenergy Center, National Renewable Energy Laboratory, 15013 Denver West Parkway, Golden, CO 80401, United States. Electronic address: Xiaowen.Chen@nrel.gov.) |
| Abstract | The effect of mechanical refining on the enzymatic digestibility of pretreated corn stover (PCS) was investigated. Low severity, dilute sulfuric acid PCS was subjected to mechanical refining using a bench-scale food processor blender, a PFI mill, a 12-inch laboratory disk refiner, and a 25 mm co-rotating twin-screw extruder. Glucose yields from enzymatic hydrolysis were improved by 10-15% after blending and disk refining, while PFI refining and twin-screw extrusion showed a glucose yield improvement of 16-20%. A pilot scale refining test using a Szego mill was performed and showed approximately 10% improvements in biomass digestibility. This suggests the possibility to scale up a mechanical refining technique to obtain similar enzymatic digestibility glucose yield enhancement as achieved by PFI milling and extrusion technologies. Proposed mechanisms of each mechanical refining technology are presented and reasons for improvements in biomass digestibility are discussed in this paper. |
| ISSN | 09608524 |
| Journal | Bioresource Technology |
| Volume Number | 147 |
| e-ISSN | 18732976 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2013-11-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Acids Metabolism Zea Mays Microscopy, Electron, Scanning Particle Size Comparative Study Journal Article 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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