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  • Title: Interaction and kinetic analysis for coal and biomass co-gasification by TG-FTIR.
    Author: Xu C, Hu S, Xiang J, Zhang L, Sun L, Shuai C, Chen Q, He L, Edreis EM.
    Journal: Bioresour Technol; 2014 Feb; 154():313-21. PubMed ID: 24412857.
    Abstract:
    This study aims to investigate the interaction and kinetic behavior of CO2 gasification of coal, biomass and their blends by thermogravimetry analysis (TG). The gas products evolved from gasification were measured online with Fourier Transform Infrared Spectroscopy (FTIR) coupled with TG. Firstly, TG experiments indicated that interaction between the coals and biomasses mainly occurred during co-gasification process. The most significant synergistic interaction occurred for LN with SD at the blending mass ratio 4:1. Furthermore, thermal kinetic analysis indicated that the activation energy involved in co-gasification decreased as the SD content increased until the blending ratio of SD with coal reached 4:1. The rise of the frequency factor indicated that the increase of SD content favored their synergistic interaction. Finally, FTIR analysis of co-gasification of SD with LN indicated that except for CO, most gases including CH3COOH, C6H5OH, H2O, etc., were detected at around 50-700°C.
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