- 作者: Mariana, Chin Chen and Yasuhiro Tsujimura, Akinori Maezawa and Shigeo Uchida
- 中文摘要: --
- 英文摘要: A mathematical model dealing with the removal of SO2 by solid absorbent in a bag filter is proposed. The model assumes a situation similar to that of a fixed bed reactor and describes the phenomena and kinetics of the process for the SO2-Ca(OH)2 reaction system. The model is based on the grain model concept, where the diffusion coefficient of gas in the particles/pellet is assumed to vary during the reaction. Runge-Kutta-Gill and finite difference methods were used to calculate the reaction rate constant, ks, and the coefficient of gas diffusion in the solid grain, Ds, through best fitting with the experimental data under a temperature range of 120-190°C. The effects of certain parameters, such as humidity and temperature, were investigated. Assuming the validity of the Arrhenius law, the activation energies were calculated for both the reaction, Er, and the coefficient of gas diffusion in the solid grain, Ed. The results thus obtained using the proposed model are in good agreement with those previously reported in the literature.
- 中文關鍵字: --
- 英文關鍵字: --