Microkinetics of H2S Removal by Zinc Oxide in the Presence of Moist Gas Atmosphere

能源化学(英文) ›› 2003, Vol. 12 ›› Issue (1): 43-48.

Microkinetics of H2S Removal by Zinc Oxide in the Presence of Moist Gas Atmosphere

Huiling Fan, Chunhu Li, Hanxian Guo, Kechang Xie

State Key Lab of C1 Chemistry and Technology, Institute for Chemical Engineering of Coal, Taiyuan University of Technology, Taiyuan 030024, China

出版日期:2003-03-30 发布日期:2003-03-30

Microkinetics of H2S Removal by Zinc Oxide in the Presence of Moist Gas Atmosphere

Huiling Fan, Chunhu Li, Hanxian Guo, Kechang Xie

Online:2003-03-30 Published:2003-03-30

摘要/Abstract

摘要： The microkinetics of H2S removal by ZnO desulfurization in H2O-CO2-N2, H2O-CO-N2 and H2O-O2-N2 gas mixtures was studied by thermogravimetric analysis. Experiments were carried out with 100-120 mesh ZnO powder at temperatures from 473 K to 563 K. The results show that the kinetic behaviors of desulfurization could all be described by an improved shrinking-core model. The activation energies of the reaction and the diusion in dierent gas atmospheres were estimated.

关键词: kinetics, desulfurization, improved shrinking-core model, H2S, zinc oxide

Abstract: The microkinetics of H2S removal by ZnO desulfurization in H2O-CO2-N2, H2O-CO-N2 and H2O-O2-N2 gas mixtures was studied by thermogravimetric analysis. Experiments were carried out with 100-120 mesh ZnO powder at temperatures from 473 K to 563 K. The results show that the kinetic behaviors of desulfurization could all be described by an improved shrinking-core model. The activation energies of the reaction and the diusion in dierent gas atmospheres were estimated.

Key words: kinetics, desulfurization, improved shrinking-core model, H2S, zinc oxide

Huiling Fan;Chunhu Li;Hanxian Guo;Kechang Xie. Microkinetics of H2S Removal by Zinc Oxide in the Presence of Moist Gas Atmosphere[J]. 能源化学(英文), 2003, 12 (1): 43-48.

Huiling Fan;Chunhu Li;Hanxian Guo;Kechang Xie. Microkinetics of H2S Removal by Zinc Oxide in the Presence of Moist Gas Atmosphere[J]. Journal of Energy Chemistry, 2003, 12 (1): 43-48.

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Microkinetics of H2S Removal by Zinc Oxide in the Presence of Moist Gas Atmosphere

Microkinetics of H2S Removal by Zinc Oxide in the Presence of Moist Gas Atmosphere

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