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ARPN Journal of Science and Technology >> Volume 7, Issue 2, November 2017

ARPN Journal of Science and Technology


An Alkaline Pretreatment of Biomass for Subsequent Pyrolysis

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Author Md. Suruzzaman
ISSN 2225-7217
On Pages 354-358
Volume No. 4
Issue No. 6
Issue Date July 01, 2014
Publishing Date July 01, 2014
Keywords Biomass, acid, NaOH, lignin, pyrolysis



Abstract

Two stage acids (PAA+NaOH) combination and water bath-assisted pretreatment broke the structure of beech wood, and increased its crystallinity largely. The FTIR peaks originated from both hemicellulose and lignin were diminished indicating the two components were effectively removed by the pretreatment. TG analysis further confirmed that not only thermal degradation occurred but also hemicellulose and lignin were removed from the biomass. The char yield was decreased to 12.1 % for the pretreated beech wood sample. The results indicated that microwave-assisted acid pretreatment effectively improved the conversion efficiency of biomass in thermal conversion.


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