期刊
ENERGY
卷 174, 期 -, 页码 1283-1291出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2019.02.079
关键词
Hydrothermal co-liquefaction; Spirulina platensis; alpha-Cellulose; Bio-oil; Synergistic effect
资金
- National Natural Science Foundation of China [51776088]
- Natural Science Foundation of Jiangsu Province of China [BK20161349]
- Priority Academic Program Development of Jiangsu High Education Institutions
Hydrothermal liquefaction (HTL) is a promising technology for the conversion of wet biomass into liquid fuels. In this study, the hydrothermal co-liquefaction (HTCL) of Spirulina platensis and alpha-Cellulose for bio-oil production was investigated. The bio-oil yield of HTCL was increased significantly by blending alpha-Cellulose with low-lipid content microalgae of Spirulina platensis in the absence of any catalysts supplementary which reduces the processing cost. The results showed that bio-oil productivity was increased drastically up to 4033 wt % (28.53 wt % with pure Spirulina platensis and 14.47 wt % with pure alpha-Cellulose), with a positive synergistic effect (SE) of 16 wt % during the HTCL process. The composition of synthesized bio-oil was analyzed by GC-MS which revealed that HTCL of Spirulina platensis and alpha-Cellulose are to decrease of its heterocyclic compounds, increased esters and hydrocarbons contents than HTL of pure Spirulina platensis or alpha-Cellulose. The possible reaction pathways were derived by synthesized bio-oil composition. The maximum energy recovery rate 82% was obtained on HTCL process. The study concluded that, HTCL process is more favorable for the economic concern due to high convention of bio-oil efficiency. (C) 2019 Elsevier Ltd. All rights reserved.
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