Atmospheric distillation of bio-oil based on different extractants

LI Shi-ying; ZHU Xie-fei; ZHANG Li-qiang; ZHU Xi-feng

Volume 47 Issue 3

Mar. 2019

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Article Navigation > Journal of Fuel Chemistry and Technology > 2019 > 47(3): 312-317

LI Shi-ying, ZHU Xie-fei, ZHANG Li-qiang, ZHU Xi-feng. Atmospheric distillation of bio-oil based on different extractants[J]. Journal of Fuel Chemistry and Technology, 2019, 47(3): 312-317.

Citation:

LI Shi-ying, ZHU Xie-fei, ZHANG Li-qiang, ZHU Xi-feng. Atmospheric distillation of bio-oil based on different extractants[J]. Journal of Fuel Chemistry and Technology, 2019, 47(3): 312-317.

LI Shi-ying, ZHU Xie-fei, ZHANG Li-qiang, ZHU Xi-feng. Atmospheric distillation of bio-oil based on different extractants[J]. Journal of Fuel Chemistry and Technology, 2019, 47(3): 312-317.

Citation:

LI Shi-ying, ZHU Xie-fei, ZHANG Li-qiang, ZHU Xi-feng. Atmospheric distillation of bio-oil based on different extractants[J]. Journal of Fuel Chemistry and Technology, 2019, 47(3): 312-317.

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Atmospheric distillation of bio-oil based on different extractants

School of Engineering Science, University of Science and Technology of China, Hefei 230026, China

Funds:

the National Natural Science Foundation of China 51676179

More Information

Corresponding author: ZHU Xi-feng, Tel: 0551-63600040, E-mail: xfzhu@ustc.edu.cn
Received Date: 2018-11-01
Rev Recd Date: 2019-01-14

Available Online: 2021-01-23

Publish Date: 2019-03-10

Abstract

Abstract

In order to separate and enrich the high value-added chemicals in bio-oil, solvent extraction and distillation methods were combined to separate and purify bio-oil. Ethyl-acetate, dichloromethane, diethyl ether and toluene were elected as extracting agents, which were mixed with bio-oil in a certain mass ratio. The 4 oil phases distilled from four extract phases were compared with bio-oil to study effects of different solvents on the yield, moisture and high value-added components of distillate. The results show that the distillate had higher yield and lower moisture content compared with that of bio-oil after the extraction and distillation. Among the 4 solvents, toluene had the poorest ability to extract high value-added components of bio-oil, achieving the lowest yield of phenols of distillate. The extraction efficiency of ethyl-acetate and diethyl ether was higher than that of toluene, but the contents of high value-added components in their oil phases were lower than those of others. The relative content of guaiacol and its derivatives was 34.11% in the oil phases of dichloromethane, which was 15.52% higher than that of bio-oil, and conducive to further extract for high value-added chemicals such as guaiacol and its derivatives.
- bio-oil,
- extraction,
- distillation,
- separation,
- purification

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References(20)

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