TG-FTIR analysis of bio-oil and its pyrolysis/gasification property

ZHANG Yi; CHEN Deng-yu; ZHANG Dong; ZHU Xi-feng

Volume 40 Issue 10

Oct. 2012

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Article Navigation > Journal of Fuel Chemistry and Technology > 2012 > 40(10): 1194-1199

ZHANG Yi, CHEN Deng-yu, ZHANG Dong, ZHU Xi-feng. TG-FTIR analysis of bio-oil and its pyrolysis/gasification property[J]. Journal of Fuel Chemistry and Technology, 2012, 40(10): 1194-1199.

Citation:

ZHANG Yi, CHEN Deng-yu, ZHANG Dong, ZHU Xi-feng. TG-FTIR analysis of bio-oil and its pyrolysis/gasification property[J]. Journal of Fuel Chemistry and Technology, 2012, 40(10): 1194-1199.

ZHANG Yi, CHEN Deng-yu, ZHANG Dong, ZHU Xi-feng. TG-FTIR analysis of bio-oil and its pyrolysis/gasification property[J]. Journal of Fuel Chemistry and Technology, 2012, 40(10): 1194-1199.

Citation:

ZHANG Yi, CHEN Deng-yu, ZHANG Dong, ZHU Xi-feng. TG-FTIR analysis of bio-oil and its pyrolysis/gasification property[J]. Journal of Fuel Chemistry and Technology, 2012, 40(10): 1194-1199.

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TG-FTIR analysis of bio-oil and its pyrolysis/gasification property

Anhui Province Key Laboratory of Biomass Clean Energy,University of Science and Technology of China, Hefei 230026, China

Received Date: 2012-03-17
Rev Recd Date: 2012-06-04
Publish Date: 2012-10-31

Abstract

Abstract

The process of bio-oil pyrolysis/gasification and gas evolution characteristic was studied using a thermogravimetric analyzer coupled with Fourier transform infrared spectroscopy (TG-FTIR). Pyrolysis/gasification of bio-oil and its fractions were also performed in a fixed bed. As a result, the process of bio-oil pyrolysis/gasification can be divided into two stages. The first is volatilization and pyrolysis of the light compounds at low temperature and the second is cracking and polymerization of the heavy compounds at high temperature. The values of activation energy are 35~38 kJ/mol in the first stage and 15~22 kJ/mol in the second stage, respectively. With temperature increasing, the conversation of pyrolysis/gasification grows higher and the yield of synthesis gas (syngas) increases. However, the calorific value of the gas has an inverse correlation with the temperature. In comparison, the light fraction (LF) makes more contribution to the overall H₂ release; while CO and CH₄ are mainly generated from the heavy fraction (HF).
- bio-oil,
- pyrolysis/gasification,
- light fraction,
- heavy fraction

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References(14)

References

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