Journal
FUEL
Volume 80, Issue 12, Pages 1765-1786Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0016-2361(01)00061-8
Keywords
biomass; pyrolysis; thermogravimetric Fourier transform infrared (TG-FTIR) analysis; wheat straw; tobacco; xylan; glucose; chlorogenic acid
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A great need exists for comprehensive biomass-pyrolysis models that could predict yields and evolution patterns of selected volatile products as a function of feedstock characteristics and process conditions. A thermogravimetric analyzer coupled with Fourier transform infrared analysis of evolving products (TG-FTIR) can provide useful input to such models in the form of kinetic information obtained under low heating rate conditions. In this work, robust TG-FTIR quantification routines were developed for infrared analysis of volatile products relevant to biomass pyrolysis. The analysis was applied to wheat straw, three types of tobacco (Burley, Oriental, and Bright), and three biomass model compounds (xylan, chlorogenic acid, and D-glucose). Product yields were compared with literature data, and species potentially quantifiable by FT-IR are reviewed. Product-evolution patterns are reported for all seven biomass samples. (C) 2001 Elsevier Science Ltd. All rights reserved.
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