Chemisorption of H2S on Copper-ETS-2: Experiment and Modeling of a Packed Column
Copper supported on Engelhard Titanosilicate-2 (ETS-2) showed to be a promising adsorbent for deep H2S removal (to sub-ppm levels) for gas purification applications at room temperature. Because of the high external surface area and the cation exchange capacity of ETS-2, Cu ions are highly dispersed and very accessible to H2S molecules. In this study, H2S column breakthrough experiments are analyzed by a dynamic model based on the rigorous mass balance equations applied to the fixed-bed. The proposed model also includes the chemical reaction term, which is affected by the deactivation of the solid phase. Temperature-programmed desorption tests provided insight on the material characterization as well as on the relative magnitudes of the H2S-material interactions.
Keywords: Chemisorption; Copper Nano-Titanate ETS-2; H2S Breakthrough; Transport Equation
Document Type: Research Article
Affiliations: 1: Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 2V4, Canada 2: INQUINOA, Universidad Nacional de Tucumán, CONICET, DIPyGI-FACET-UNT, Av. Independencia 1800, C.P. 4000 San Miguel de Tucumán, Argentina
Publication date: November 1, 2018
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