Abstract
AbstractThe dependence of SO2removal on Cu loading, SO2concentration, and temperature are studied experimentally on a thermo‐balance using a series of CuO/Al2O3catalysts in the fresh state as well as in a NH3‐regenerated state. A kinetic study on SO2removal is then carried out using a surface model, which assumes the SO2removal rate is being controlled by a surface chemical reaction and takes into account the effect of SO2adsorption and consumption of surface CuO. The difference in SO2removal between fresh and regenerated CuO/Al2O3is expressed by a parametern, which is similar to the order of a reaction. The effect of SO2adsorption is expressed in the Langmuir‐Hinshelwood form. The results show that the SO2removal behavior of NH3‐regenerated CuO/Al2O3is different from that of fresh CuO/Al2O3and the developed model describes the SO2removal behavior well.
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