Citation: LIU Biao-biao, LIU Rong-hou, CAI Wen-fei, HE Yi-feng, CHAI Mei-yun. Effects of acetone and ethyl acetate additives on the storage stability of bio-oil[J]. Journal of Fuel Chemistry and Technology, ;2018, 46(5): 529-534. shu

Effects of acetone and ethyl acetate additives on the storage stability of bio-oil

Biomass Energy Engineering Research Centre, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China

Corresponding author: LIU Rong-hou, liurhou@sjtu.edu.cn
Received Date: 15 December 2017
Revised Date: 5 March 2018

Fund Project: The project was supported by the National Natural Science Foundation of China (51776127)the National Natural Science Foundation of China 51776127

Figures(3)

Different ratios (3%, 6%, 9%, 12%, 15%) of acetone and ethyl acetate were added into crude bio-oil from fast pyrolysis to invest the effects of these two additives on the storage stability of bio-oil.The results show that both acetone and ethyl acetate can reduce the water content of bio-oil, and the ethyl acetate performes better than acetone.Compared to the blank control group, the water content decreases by 17.8%(from 16.32% to 13.41%) at 15% dose of ethyl acetate.The viscosities of bio-oil decrease a lot after adding acetone and ethyl acetate, and acetone shows more obvious effect.With the increasing of additive dose, the viscosity of bio-oil decreases.The viscosity of bio-oil decreases more than that of the control group by 37.20%, 57.78%, 71.92%, 79.79%, 84.67% with 3%, 6%, 9%, 12%, 15% dose of acetone, respectively.There is no significant difference in pH values among acetone and ethyl acetate addition groups and control group.According to the FT-IR and GC-MS analysis, it indicates that acetone and ethyl acetate inhibit the aging reactions of bio-oil during storage.
- pyrolysis,
- bio-oil,
- acetone,
- ethyl acetate,
- stability
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