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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
Source PublicationBIORESOURCE TECHNOLOGY
Volume172Issue:1Pages:169-173
Abstract

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.

SubtypeArticle
KeywordTribonema Sp. Lipid Bioethanol Fermentation Acid Hydrolysis
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1016/j.biortech.2014.09.032
WOS KeywordLIPID EXTRACTION ; BIOMASS ; ACID ; FERMENTATION ; PRETREATMENT ; HYDROLYSIS ; BACTERIA ; ETHANOL
Indexed BySCI
Language英语
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000344113800023
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qibebt.ac.cn/handle/337004/6201
Collection微藻生物技术研究组
Affiliation1.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
Recommended Citation
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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