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Study on the Process Analysis and Kinetics during the Co-Pyrolysis of Low Rank Coal and Enteromorpha

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Abstract:

The pyrolysis of low rank coal (LRC) , enteromorpha (EN) and their mixture were carried out in a special prolysis equipment. The experiments showed that the maximum tar yield of blends was 11.39% with a EN ration of 30%, which increased by 28.61% compared to LRC pyrolysis alone and 8.87% compared to calculated value. The thermogravimetric analysis (TGA) of LRC, EN and their mixture indicated that there was significant synergistic effect in the co-pyrolysis process of LRC and EN during 240~750°C. The relative maximum value of synergistic effect was 18.5%. Kinetics analysis showed there was compensation effect between activation energy and pre-exponential factor of co-pyrolysis. The mix of LRC and EN enhanced the reaction activity and lowers the reaction rate. Synergistic effect mainly was reflected in enhancing the reaction activity of co-pyrolysis.

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Periodical:

Advanced Materials Research (Volumes 1008-1009)

Pages:

268-273

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1008-1009.268

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Online since:

August 2014

Authors:

Chun Xia Wang, Xuan Ming He, Dong Zheng Feng, Fu Lu Ao

Keywords:

Co-Pyrolysis, Enteromorpha, Kinetic, Low Rank Coal, Synergistic Effect

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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