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Title: | EFFECTS OF THE AQUEOUS PHASE RECYCLING ON BIO-OIL YIELD IN HYDROTHERMAL LIQUEFACTION OF SPIRULINA PLATENSIS, Α-CELLULOSE, AND LIGNIN |
Authors: | Haitao, Chen Zhixia, He Bo, Zhang Huan, Feng Sabariswaran, Kandasamy Bin, Wang |
Issue Date: | 15-Jul-2019 |
Publisher: | Elsevier |
Abstract: | The utilization of hydrothermal liquefaction (HTL), an efficient thermochemical conversion technology, can produce biofuels from biomass, but also a large amount of processing wastewater. In the present paper, the aqueous phase from the HTL of Spirulina Platensis was recycled as the intermediate reactant and its effects on the bio-oil yield from the HTL of Spirulina Platensis, α-Cellulose, and Lignin were investigated. The results revealed that the best bio-oil yields obtained from HTL of Spirulina Platensis and α-Cellulose in pure water were 30 and 7.03 wt% at the optimized operation conditions. Aqueous phase obtained from HTL of Spirulina Platensis could be introduced return into HTL system and result in an obvious increase in the bio-oil yield by 10 wt% and 6 wt% from HTL of Spirulina Platensis and α-Cellulose, respectively. Energy recovery rates from bio-oil were improved greatly by applying aqueous phase recycling during HTL. However, aqueous phase recycling inhibited generation of bio-oil, suggesting the presence of the antagonistic reaction between protein aqueous and Lignin. Based on the gas chromatography-mass spectrometer (GC-MS) and fourier transform infrared spectroscopy (FT-IR) analysis of the aqueous phase and bio-oil, the possible reaction pathways were deduced. |
URI: | https://doi.org/10.1016/j.energy.2019.04.184 |
Appears in Collections: | International Journal |
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EFFECTS OF THE AQUEOUS PHASE RECYCLING ON BIO-OIL YIELD IN HYDROTHERMAL LIQUEFACTION OF SPIRULINA PLATENSIS, Α-CELLULOSE, AND LIGNIN.docx | 207.42 kB | Microsoft Word XML | View/Open |
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