Fractionated Pyrolysis of Biomass and its Components

Qian Liu; De Kui Shen

doi:10.4028/www.scientific.net/AMM.535.734

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 535Fractionated Pyrolysis of Biomass and its...

Fractionated Pyrolysis of Biomass and its Components

Abstract:

Fractionated pyrolysis of biomass and its three main components (viz. hemicellulose, cellulose and lignin) was carried out on a thermogravimetric analyzer, which effectively separated the pyrolysis progress of different compositions. Three temperature ranges of 40-300 °C, 300-400 °C and 400-700 °C were presented with hemicellulose, cellulose and lignin as the dominant component, respectively. Fir contains much more cellulose and lignin than rice straw, and thus the weight loss in 300-400 °C is much higher, as 66.4% of the total weight loss. Rice straw contains more extractives and hemicellulose, resulting in higher mass loss in the early pyrolysis stage of 40-300 °C. The pyrolysis of biomass was predicted by hemicellulose, cellulose and lignin according to the additivity law, and the fractionated pyrolysis showed good performance in the prediction of volatile and residue yields of wood biomass. The interactions of biomass components were revealed to be unneglectable.

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Periodical:

Applied Mechanics and Materials (Volume 535)

Pages:

734-737

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.535.734

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Online since:

February 2014

Authors:

Qian Liu*, De Kui Shen

Keywords:

Biomass, Component, Interaction, Pyrolysis, TG

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