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(2017) Energy Conversion and Management_Evaluating the susceptibility of pyrolysis of monosaccharide, disaccharide, and polysaccharide to CO2

(2017) Energy Conversion and Management_Evaluating the susceptibility of pyrolysis of monosaccharide, disaccharide, and polysaccharide to CO2

 

Lee J., Tsang Y.F., Oh J.-I., Lee S.-R., Kwon E.E.

 

(Elsevier Ltd) Energy Conversion and Management ISSN: 1968904 Vol.138 Issue. Article No. DOI: 10.1016/j.enconman.2017.02.009

 

This study is aiming at exploring the genuine role of CO2 in pyrolysis of lignocellulosic biomass by investigating the susceptibility of pyrolysis of monosaccharide (e.g., xylose and glucose), disaccharide (e.g., sucrose), and polysaccharide (e.g., woody biomass) to CO2. To do this, the thermal degradation of these four biomass samples was characterized in N2 and CO2. The thermal characterization results reveal that the physical aspects of biomass decomposition (i.e., thermal degradation rate and residual mass difference) associated with CO2 were nearly the same; however, the chemical aspects were significantly different. In other words, CO2 enhanced thermal cracking of volatile organic compounds (VOCs) generated from thermal degradation of biomass. In addition, our experiment results show that xylose (a major constituent of hemicellulose) and lignin exhibited a high sensitivity to CO2 in pyrolysis. © 2017 Elsevier Ltd

 

This work was supported by the National Research Foundation of Korea (NRF) Grant funded by the Korean Government (MSIP) (No. NRF-2015H1D3A1066513). 

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