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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
DOI10.1016/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
被引频次:155[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/1141
专题微藻生物技术团队
作者单位Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biofuel, Qingdao 266101, Shandong, Peoples R China
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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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