TG analysis of coal direct liquefaction residue and its solvent extracts

LIU Peng-fei; ZHANG Yong-qi; FANG Yi-tian

Volume 40 Issue 06

Jun. 2012

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LIU Peng-fei, ZHANG Yong-qi, FANG Yi-tian. TG analysis of coal direct liquefaction residue and its solvent extracts[J]. Journal of Fuel Chemistry and Technology, 2012, 40(06): 655-659.

Citation:

LIU Peng-fei, ZHANG Yong-qi, FANG Yi-tian. TG analysis of coal direct liquefaction residue and its solvent extracts[J]. Journal of Fuel Chemistry and Technology, 2012, 40(06): 655-659.

LIU Peng-fei, ZHANG Yong-qi, FANG Yi-tian. TG analysis of coal direct liquefaction residue and its solvent extracts[J]. Journal of Fuel Chemistry and Technology, 2012, 40(06): 655-659.

Citation:

LIU Peng-fei, ZHANG Yong-qi, FANG Yi-tian. TG analysis of coal direct liquefaction residue and its solvent extracts[J]. Journal of Fuel Chemistry and Technology, 2012, 40(06): 655-659.

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TG analysis of coal direct liquefaction residue and its solvent extracts

1.
Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China;
2.
Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2011-08-12
Rev Recd Date: 2011-11-03
Publish Date: 2012-06-30

Abstract

Abstract

Pyrolysis of two typical Chinese coal liquefaction residues (Shenhua and Shengli) and their solvent extracts was carried out by TG. The results show that Shenhua and Shengli residue contain similar content of light component, and their weight losses in TGA are similar. However, the different composition of light component in the two residues leads to their difference in TG curves. As increasing of heating rate, the maximum weight loss rate and its corresponding temperature increase. The calculated weight loss calculated from the constitutes is approximately the actual value of the residue. From the kinetic analysis, it is found that the weight loss calculated by the experimental E and k₀ agree well with that obtained from the experiment. The weight loss is mainly caused by evaporation of volatile matter which can be extracted by solvent.
- coal direct liquefaction,
- residue,
- thermogravimetric analysis,
- extract,
- activation energy,
- frequency factor

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References(9)

References

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