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Characterization of column chromatography separated bio-oil obtained from hydrothermal liquefaction of Spirulina
Han, Jiahui1; Li, Xing2; Kong, Shengyan2,3; Xian, Guang2,4; Li, Hualong5; Li, Xun2; Li, Jie2; Zhang, Jinglai2; Meng, Han6; Wang, Huansheng7; Du, Hongbiao2; Zeng, Fangang2
2021-08-01
Source PublicationFUEL
ISSN0016-2361
Corresponding AuthorDu, Hongbiao(hbdu@ruc.edu.cn) ; Zeng, Fangang(zengfg@ruc.edu.cn)
AbstractBio-oil contained a large number of macromolecular compounds like asphalt, which made it difficult to obtain accurate results from direct test analysis. In this study, hydrothermal liquefaction (HTL) bio-oil of Spirulina (300 degrees C, 30 min, 10 MPa) was underwent column chromatography separation (CCS) process to retain the macromolecular substances in the column, which improved the accuracy of subsequent analysis results. The obtained fractions were characterized by Thermo-Gravimetric Analysis (TG), Gas Chromatography-Mass Spectrometry (GC-MS) analysis, Elemental Analysis, and Fourier Transform Infrared (FT-IR) Spectroscopy Analysis. TG analysis showed that a significant amount of components coexisting in high-boiling-range residue in bio-oil could be isolated into quasi-gasoline and quasi-kerosene species, so the low boiling-point fractions of bio-oil between 30250 degrees C increased. GC-MS proved that CCS could effectively separate bio-oil and the number of detected components in bio-oil increased from 25 to 109 after CCS. The results of elemental analysis and FT-IR indicated that the components of the bio-oil were separated according to the polarity, and the higher heating values(HHVs) of each distillate oil (38.32-42.19 MJ kg(-1)) was significantly higher than the bio-oil before CCS (31.83-36.04 MJ kg(-1)). Comprehensive results of multiple analysis could help determine the market application prospects of bio-oil. In addition, tert-hexadecanethiol was studied as a representative Sulphur-compound to surmise its generation mechanism. The speculation of the conversion pathway of sulphur (S) element could provide a basis for a better understanding of the HTL reaction mechanism.
KeywordBio-oil Hydrothermal liquefaction Column chromatography separation Sulphur compound
DOI10.1016/j.fuel.2021.120695
WOS KeywordSEWAGE-SLUDGE ; ALGAE ; EXTRACTION ; WATER ; CATALYSTS ; BIOMASS ; PURIFICATION ; BIOREFINERY ; TEMPERATURE ; PRODUCT
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[31902205] ; Anhui Priority Research and Development Strategies[201904a06020041] ; Renmin University of China (Project 2020)
Funding OrganizationNational Natural Science Foundation of China ; Anhui Priority Research and Development Strategies ; Renmin University of China (Project 2020)
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000647585300011
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/122252
Collection中国科学院合肥物质科学研究院
Corresponding AuthorDu, Hongbiao; Zeng, Fangang
Affiliation1.Chinese Soc Environm Sci, Beijing 100082, Peoples R China
2.Renmin Univ China, Sch Environm & Nat Resources, Beijing 100872, Peoples R China
3.Minist Water Resources, Public & Educ Ctr, Beijing 100038, Peoples R China
4.Army Logist Univ PLA, Dept Mil Installat, Chongqing 401311, Peoples R China
5.Chinese Acad Sci, Inst Intelligent Machines, Hefei 230031, Anhui, Peoples R China
6.Northeastern Univ, Coll Sci, Marine Sci Ctr, Boston, MA 02115 USA
7.Beijing Univ Chem Technol, High Tech Res Inst, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Han, Jiahui,Li, Xing,Kong, Shengyan,et al. Characterization of column chromatography separated bio-oil obtained from hydrothermal liquefaction of Spirulina[J]. FUEL,2021,297.
APA Han, Jiahui.,Li, Xing.,Kong, Shengyan.,Xian, Guang.,Li, Hualong.,...&Zeng, Fangang.(2021).Characterization of column chromatography separated bio-oil obtained from hydrothermal liquefaction of Spirulina.FUEL,297.
MLA Han, Jiahui,et al."Characterization of column chromatography separated bio-oil obtained from hydrothermal liquefaction of Spirulina".FUEL 297(2021).
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