Optimization of dilute acid hydrolysis of Enteromorpha
Feng Dawei1,3; Liu Haiyan2,3; Li Fuchao1; Jiang Peng1; Qin Song1
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
2011-11-01
Volume29Issue:6Pages:1243-1248
KeywordEnteromorpha Acid Hydrolysis Ethanol Fermentable Sugars
Contribution Rank[Feng Dawei; Li Fuchao; Jiang Peng; Qin Song] Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China; [Liu Haiyan] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Feng Dawei; Liu Haiyan] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Corresponding AuthorQin, S (reprint author), Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
Department生物资源实验室 
AbstractAcid hydrolysis is a simple and direct way to hydrolyze polysaccharides in biomass into fermentable sugars. To produce fermentable sugars effectively and economically for fuel ethanol, we have investigated the hydrolysis of Enteromorpha using acids that are typically used to hydrolyze biomass: H(2)SO(4), HCl, H(3)PO(4) and C(4)H(4)O(4) (maleic acid). 5%(w/w) Enteromorpha biomass was treated for different times (30, 60, and 90 min) and with different acid concentrations (0.6, 1.0, 1.4, 1.8, and 2.2%, w/w) at 121 degrees C. H(2)SO(4) was the most effective acid in this experiment. We then analyzed the hydrolysis process in H(2)SO(4) in detail using high performance liquid chromatography. At a sulfuric acid concentration of 1.8% and treatment time of 60 min, the yield of ethanol fermentable sugars (glucose and xylose) was high, (230.5 mg/g dry biomass, comprising 175.2 mg/g glucose and 55.3 mg/g xylose), with 48.6% of total reducing sugars being ethanol fermentable. Therefore, Enteromorpha could be a good candidate for production of fuel ethanol. In future work, the effects of temperature and biomass concentration on hydrolysis, and also the fermentation of the hydrolysates to ethanol fuel should be focused on.; Acid hydrolysis is a simple and direct way to hydrolyze polysaccharides in biomass into fermentable sugars. To produce fermentable sugars effectively and economically for fuel ethanol, we have investigated the hydrolysis of Enteromorpha using acids that are typically used to hydrolyze biomass: H(2)SO(4), HCl, H(3)PO(4) and C(4)H(4)O(4) (maleic acid). 5%(w/w) Enteromorpha biomass was treated for different times (30, 60, and 90 min) and with different acid concentrations (0.6, 1.0, 1.4, 1.8, and 2.2%, w/w) at 121 degrees C. H(2)SO(4) was the most effective acid in this experiment. We then analyzed the hydrolysis process in H(2)SO(4) in detail using high performance liquid chromatography. At a sulfuric acid concentration of 1.8% and treatment time of 60 min, the yield of ethanol fermentable sugars (glucose and xylose) was high, (230.5 mg/g dry biomass, comprising 175.2 mg/g glucose and 55.3 mg/g xylose), with 48.6% of total reducing sugars being ethanol fermentable. Therefore, Enteromorpha could be a good candidate for production of fuel ethanol. In future work, the effects of temperature and biomass concentration on hydrolysis, and also the fermentation of the hydrolysates to ethanol fuel should be focused on.
SubtypeArticle
Indexed BySCI
Language英语
WOS KeywordETHANOL-PRODUCTION ; BIOMASS ; STRAW
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS IDWOS:000299039400011
Funding OrganizationNational High Technology Research and Development Program of China (863 Program)[2009AA10Z106]; Major State Basic Research Development Program[2011CB200902]; CAS[2008BAC49B01]; National Natural Science Foundation of China[40876082, 30870247]; Outstanding Young Scholar Fellowship of Shandong Province[JQ200914]; Science and Technology Project of Qingdao City[09-1-3-59-jch]
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/5356
Collection海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Feng Dawei,Liu Haiyan,Li Fuchao,et al. Optimization of dilute acid hydrolysis of Enteromorpha[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2011,29(6):1243-1248.
APA Feng Dawei,Liu Haiyan,Li Fuchao,Jiang Peng,&Qin Song.(2011).Optimization of dilute acid hydrolysis of Enteromorpha.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,29(6),1243-1248.
MLA Feng Dawei,et al."Optimization of dilute acid hydrolysis of Enteromorpha".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 29.6(2011):1243-1248.
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