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Bio-oil production from hydrothermal liquefaction of high-protein high-ash microalgae including wild Cyanobacteria sp and cultivated Bacillariophyta sp.
Huang, Yanqin1; Chen, Yupeng1,2; Xie, Jianjun1; Liu, Huacai1; Yin, Xiuli1; Wu, Chuangzhi1
2016-11-01
Source PublicationFUEL
Volume183Pages:9-19
AbstractDecomposition behavior of two kinds of high-protein high-ash microalgae, including wild Cyanobacteria sp. and cultivated Bacillariophyta sp., was examined via hydrothermal liquefaction (HTL). Physicochemical properties of bio-oil were extensively investigated through various techniques. Special attention was paid on transfer behavior of elements (i.e. C and N) during HTL process. A maximum bio-oil yield of 21.10 wt% (Cyanobacteria sp.) and 18.21 wt% (Bacillariophyta sp.) on dry basis was achieved at 325 degrees C for 45-60 min, accompanying with the maximum (51.38% and 48.76%) of energy recovered in bio-oil. Although high HHV (33.87-36.51 MJ kg(-1)) and high H/C ratio (1.37-1.62) were estimated for bio-oil products, high N/C ratio (0.06-0.09) and nitrogen content (5.31-7.50%) negatively affected its quality. GC-MS analysis combining with FTIR and NMR detection revealed that components and functional structure of bio-oils were greatly distinguished from other algae bio-oil. TG analysis showed approximate 72.32-75.79% of bio-oils was distilled in the range of 200-550 degrees C. Large fraction of carbon and small fraction of nitrogen were recovered in bio-oils, together with high portion of nitrogen was enriched into aqueous liquid. This study demonstrated the feasibility of applying HTL to produce bio-oil from high-protein high-ash microalgae, and the findings on bio-oil properties and transfer behavior of carbon and nitrogen supplied useful information for downstream utilization. (C) 2016 Elsevier Ltd. All rights reserved.
SubtypeArticle
KeywordHigh-protein High-ash Microalgae Hydrothermal Liquefaction Bio-oil Property Nitrogen Transfer
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.fuel.2016.06.013
WOS Subject ExtendedEnergy & Fuels ; Engineering
WOS KeywordWATER TREATMENT SYSTEM ; CULTURE ALGAL BIOMASS ; BIOCRUDE OIL ; CRUDE OIL ; THERMOCHEMICAL CONVERSION ; SWINE MANURE ; FRESH-WATER ; MACROALGAE ; MARINE ; PYROLYSIS
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(51106164)
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000381619400002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11898
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Huang, Yanqin,Chen, Yupeng,Xie, Jianjun,et al. Bio-oil production from hydrothermal liquefaction of high-protein high-ash microalgae including wild Cyanobacteria sp and cultivated Bacillariophyta sp.[J]. FUEL,2016,183:9-19.
APA Huang, Yanqin,Chen, Yupeng,Xie, Jianjun,Liu, Huacai,Yin, Xiuli,&Wu, Chuangzhi.(2016).Bio-oil production from hydrothermal liquefaction of high-protein high-ash microalgae including wild Cyanobacteria sp and cultivated Bacillariophyta sp..FUEL,183,9-19.
MLA Huang, Yanqin,et al."Bio-oil production from hydrothermal liquefaction of high-protein high-ash microalgae including wild Cyanobacteria sp and cultivated Bacillariophyta sp.".FUEL 183(2016):9-19.
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