TGA-FTIR Analysis of Biomass Samples Based on the Thermal Decomposition Behavior of Hemicellulose, Cellulose, and Lignin
Eskisehir Technical University
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Abstract
The slow pyrolysis characteristics of lignocellulosic biomass and its three major components via a Thermogravimetric Analyzer coupled with a Fourier Transform Infrared Spectrometer (TGA-FTIR) was studied. Different compositions and ratios of cellulose, hemicellulose, and lignin, olive pomace, sunflower waste, and pinecone were selected. The main decomposition temperature ranges of xylose (hemicellulose) and lignin showed a broad range between 173–690 and 170–835 °C, respectively, whereas that of cellulose was detected to be 291–395 °C. All biomass samples presented a three-stage pyrolysis model that is explained by the superposition of the weight losses of major components. Simultaneous FTIR analysis of the…
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2Topics & keywords
Topics
Keywords
- Hemicellulose
- Cellulose
- Thermogravimetric analysis
- Lignin
- Pyrolysis
- Char
- Lignocellulosic biomass
- Chemistry
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