The microkinetics of H2S removal by ZnO desulfurizer in the presence of 7 different gas atmospheres were studied by thermogravimetric analysis. Experiments were carried out with ZnO powder of 100-120 mesh at temperatures from 473 K to 563 K. The experimental data was correlated using an improved shrinking core model. Kinetic parameters in different gas atmospheres were estimated. It was found that there existed a compensation effect in H2S removal process by ZnO.
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improved shrinking core model
Document Type: Research Article
State Key Lab of C1 Chemistry and Technology, Shanxi Key Lab of Coal Science and Technology, Institute for Chemical Engineering of Coal, Taiyuan University of Technology, Shanxi, China
Publication date: May 1, 2003
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