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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Mohr, Michael Zhou, Wenguang Liu, Yuhuan Ruan, Roger Cheng, Yanling Lin, Xiangyang Du, Zhenyi Chen, Paul Ma, Xiaochen |
| Description | Country affiliation: United States Author Affiliation: Du Z ( Center for Biorefining and Department of Bioproducts and Biosystems Engineering, University of Minnesota, 1390 Eckles Ave., St. Paul, MN 55108, USA.) |
| Abstract | Microalgae can be converted to an energy-dense bio-oil via pyrolysis; however, the relatively high nitrogen content of this bio-oil presents a challenge for its direct use as fuels. Therefore, hydrothermal pretreatment was employed to reduce the N content in Nannochloropsis oculata feedstock by removing proteins without requiring significant energy inputs. The effects of reaction conditions on the yield and composition of pretreated algae were investigated by varying the temperature (150-225°C) and reaction time (10-60 min). Compared with untreated algae, pretreated samples had higher carbon contents and enhanced heating values under all reaction conditions and 6-42% lower N contents at 200-225°C for 30-60 min. The pyrolytic bio-oil from pretreated algae contained less N-containing compounds than that from untreated samples and the bio-oil contained mainly (44.9% GC-MS peak area) long-chain fatty acids (C14-C18) which can be more readily converted into hydrocarbon fuels in the presence of simple catalysts. |
| ISSN | 09608524 |
| Volume Number | 120 |
| e-ISSN | 18732976 |
| Journal | Bioresource Technology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-09-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Biofuels Microbiology Biotechnology Methods Microalgae Metabolism Nitrogen Temperature Water Chemistry Biomass Carbon Fatty Acids Gas Chromatography-mass Spectrometry Humidity Cytology Time Factors Journal Article Research Support, Non-u.s. Gov't Research Support, U.s. Gov't, Non-p.h.s. 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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