| Biodiesel production from algae oil high in free fatty acids by two-step catalytic conversion | |
| Chen, Lin; Liu, Tianzhong; Zhang, Wei; Chen, Xiaolin; Wang, Junfeng | |
| 2012-05-01 | |
| 发表期刊 | BIORESOURCE TECHNOLOGY
 |
| 卷号 | 111期号:1页码:208-214 |
| 摘要 | The effect of storage temperature and time on lipid composition of Scenedesmus sp. was studied. When stored at 4°C or higher, the free fatty acid content in the wet biomass increased from a trace to 62.0% by day 4. Using two-step catalytic conversion, algae oil with a high free fatty acid content was converted to biodiesel by pre-esterification and transesterification. The conversion rate of triacylglycerols reached 100% under the methanol to oil molar ratio of 12:1 during catalysis with 2% potassium hydroxide at 65°C for 30 min. This process was scaled up to produce biodiesel from Scenedesmus sp. and Nannochloropsis sp. oil. The crude biodiesel was purified using bleaching earth. Except for moisture content, the biodiesel conformed to Chinese National Standards.; The effect of storage temperature and time on lipid composition of Scenedesmus sp. was studied. When stored at 4 degrees C or higher, the free fatty acid content in the wet biomass increased from a trace to 62.0% by day 4. Using two-step catalytic conversion, algae oil with a high free fatty acid content was converted to biodiesel by pre-esterification and transesterification. The conversion rate of triacylglycerols reached 100% under the methanol to oil molar ratio of 12:1 during catalysis with 2% potassium hydroxide at 65 degrees C for 30 min. This process was scaled up to produce biodiesel from Scenedesmus sp. and Nannochloropsis sp. oil. The crude biodiesel was purified using bleaching earth. Except for moisture content, the biodiesel conformed to Chinese National Standards. (C) 2012 Elsevier Ltd. All rights reserved. |
| 文章类型 | Article |
| 关键词 | Wet Algae Biomass Biodiesel Free Fatty Acid Storage Conversion |
| 学科领域 | 能源藻类资源 |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine ; Technology |
| DOI | 10.1016/j.biortech.2012.02.033 |
| 关键词[WOS] | CANOLA OIL ; MICROALGAE ; TRANSESTERIFICATION ; FEEDSTOCKS ; EXTRACTION ; BIOFUEL ; FUEL |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS研究方向 | Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels |
| WOS类目 | Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels |
| WOS记录号 | WOS:000302979100030 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qibebt.ac.cn/handle/337004/1141 |
| 专题 | 微藻生物技术研究组 |
| 作者单位 | Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biofuel, Qingdao 266101, Shandong, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Lin,Liu, Tianzhong,Zhang, Wei,et al. Biodiesel production from algae oil high in free fatty acids by two-step catalytic conversion[J]. BIORESOURCE TECHNOLOGY,2012,111(1):208-214. |
| APA | Chen, Lin,Liu, Tianzhong,Zhang, Wei,Chen, Xiaolin,&Wang, Junfeng.(2012).Biodiesel production from algae oil high in free fatty acids by two-step catalytic conversion.BIORESOURCE TECHNOLOGY,111(1),208-214. |
| MLA | Chen, Lin,et al."Biodiesel production from algae oil high in free fatty acids by two-step catalytic conversion".BIORESOURCE TECHNOLOGY 111.1(2012):208-214. |
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