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  • Title: The kinetics of catalytic incineration of (CH3)2S2 over the CuO-MoO3/gamma-Al2O3 catalyst.
    Author: Wang CH, Lin SS, Weng HS.
    Journal: J Environ Sci Health A Tox Hazard Subst Environ Eng; 2002 Oct; 37(9):1649-63. PubMed ID: 12403014.
    Abstract:
    In this study, by varying reaction conditions including particle size, space velocity, reactant concentration and reaction temperature, the kinetics of catalytic incineration of (CH3)2S2 catalyzed by the CuO-MoO3/gamma-Al2O3 catalyst was investigated. Three kinetic models, i.e., the power-rate law model, Langmuir-Hinshelwood model and Mars-Van Krevelen model, were applied to best fit the experimental results. It was shown that the Mars-Van Krevelen model was more appropriate than the other two models for describing the mechanism of catalytic incineration of (CH3)2S2 on the CuO-MoO3/gamma-Al2O3 catalyst. The reaction expression of the Mars-Van Krevelen model was as follows: -r=k(R)k(O)C(R)C(O) divided by alpha(k)(R)C(R) + k(O)C(O) where alpha is 5.5 and C(R) and C(O) represent concentrations of (CH3)2S2 and O2, respectively. The enlarged difference between experimental and predicted data was observed at higher operating temperatures. This might be due to the dominating mechanism at this temperature region was different.
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