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《Journal of Fuel Chemistry and Technology》 2003-02
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STUDY OF COS HYDROLYSIS REACTION KINETICS AT LOWER TEMPERATURE AND IN THE PRESENCE OF CO_2

LIANG Meisheng1,2, LI Chunhu1, GUO Hanxian1, XIE Kechang1, CHU Jianglin3eering of Coal, Taiyuan030024, China; 2Architectural and Environmental Engineering College, Taiyuan University of Technology, Taiyuan030024, China; 3 Jinling Institute of Technology, Nanjin210001, China)  
A microreactorGC apparatus has been used for studying COS hydrolysis reaction kinetics over TGH catalyst The intrinsic reaction kinetics of COS hydrolysis over a TGH catalyst was investigated in the temperature range of 50?℃~70?℃、 H2O/COS molar ratio of 60~550 with the presence of CO2 Nonlinear Marquart Regression was employed to analyze the experimental data The reaction kinetics are expressed as follows:-rCOS=dxdWFCOS=1.82×1014exp-75?8008.374T×PCOS×P-0.5H2O1+kCO2×PCO2The kinetic model can be interpreted the reaction in terms of mechanism The presence of CO2 seems not to change rate constant and activation energy of COS hydrolysis reaction
【CateGory Index】: O643.3
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