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Study on Mechanism of Low Temperature Co-Pyrolysis of Duckweed and Flame Coal

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Abstract:

Co-pyrolysis characteristics of long flame coal mixed with duckweed in different proportions were studied by using TG. And the kinetic parameters was also figured out by using the method of Coats-Redfern. It was exhibited significant synergistic effect created more the light component between duckweed and coal during co-pyrolysis, The pyrolysis rate of flame coal is much smaller than biomass, and the starting pyrolysis temperature of flame coal is higher than biomass. The kinetic analysis indicated that the pyrolytic processes can be described as first order reactions model. The average activation energy of duckweed and coal was 39.14kJ/mol and 46.43kJ/mol , and with the increasing of the duckweed proportion, pyrolysis activation energy was decreased.

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Info:

Periodical:

Advanced Materials Research (Volumes 724-725)

Pages:

300-305

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.724-725.300

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Online since:

August 2013

Authors:

Xuan Ming He, Jia Qi Fang*, Ye Pan, Wei Li, Xiao Juan Wang

Keywords:

Co-Pyrolysis, Duckweed, Flame Coal, Kinetic, TGA

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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