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Joint production of biodiesel and bioethanol from filamentous oleaginous microalgae Tribonema sp.
Wang, Hui1; Ji, Chunli1,2; Bi, Shenglei3; Zhou, Peng3; Chen, Lin1; Liu, Tianzhong1
2014-11-01
发表期刊BIORESOURCE TECHNOLOGY
卷号172期号:1页码:169-173
摘要

Making full use of lipid and carbohydrate in microalgae for joint production of biodiesel and bioethanol may create a potential way to cut the high cost of single biofuel production from microalgae. Compared with conventional unicellular oleaginous microalgae, filamentous microalgae Tribonema sp. is richer in lipid and carbohydrate contents and lower protein content, thus, this study explores the suitability of Tribonema sp. as a substrate for joint production of biodiesel and bioethanol. Acid hydrolysis is the key step to saccharify wall cell into fermentable sugar and release lipid. Microalgae biomass (50 g/L) was acid (3% H2SO4) hydrolyzed at 121 degrees C for 45 min to reach the maximum hydrolysis efficiency (81.48%). Subsequently, the lipid separated with hexane-ethanol from the hydrolysate was converted into microalgae biodiesel and the conversion rate was 98.47%. With yeast Saccharomyces cerevisiae, the maximum ethanol yield of 56.1% was reached from 14.5 g/L glucose in hydrolysate. (C) 2014 Elsevier Ltd. All rights reserved.

文章类型Article
关键词Tribonema Sp. Lipid Bioethanol Fermentation Acid Hydrolysis
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2014.09.032
关键词[WOS]LIPID EXTRACTION ; BIOMASS ; ACID ; FERMENTATION ; PRETREATMENT ; HYDROLYSIS ; BACTERIA ; ETHANOL
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:000344113800023
引用统计
被引频次:60[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/337004/6201
专题微藻生物技术研究组
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biofuels, Qingdao 266101, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.State Key Lab Motor Vehicle Biofuel Technol, Nanyang 473000, Henan, Peoples R China
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GB/T 7714
Wang, Hui,Ji, Chunli,Bi, Shenglei,et al. Joint production of biodiesel and bioethanol from filamentous oleaginous microalgae Tribonema sp.[J]. BIORESOURCE TECHNOLOGY,2014,172(1):169-173.
APA Wang, Hui,Ji, Chunli,Bi, Shenglei,Zhou, Peng,Chen, Lin,&Liu, Tianzhong.(2014).Joint production of biodiesel and bioethanol from filamentous oleaginous microalgae Tribonema sp..BIORESOURCE TECHNOLOGY,172(1),169-173.
MLA Wang, Hui,et al."Joint production of biodiesel and bioethanol from filamentous oleaginous microalgae Tribonema sp.".BIORESOURCE TECHNOLOGY 172.1(2014):169-173.
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