Selective catalytic oxidation of H2S over V2O5-supported Fe-pillared montmorillonite clay

Bineesh, Kanattukara Vijayan; Kim, Moon-Il; Park, Moon-Seok; Lee, Kwan-Young; Park, Dae-Won

doi:10.1016/j.cattod.2011.03.033

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Selective catalytic oxidation of H2S over V2O5-supported Fe-pillared montmorillonite clay

Bineesh, Kanattukara Vijayan;
Kim, Moon-Il;
Park, Moon-Seok;
Lee, Kwan-Young;
Park, Dae-Won

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초록

The selective catalytic oxidation of hydrogen sulfide to elemental sulfur in a continuous-flow fixed-bed reactor was studied over V2O5-supported Fe-pillared clay (V/Fe-PILC) catalysts. The synthesized catalysts were characterized by X-ray diffraction (XRD), surface area-pore volume measurements, chemical analysis, X-ray photoelectron spectroscopy (XPS), temperature-programmed desorption of ammonia (NH3-TPD), and thermogravimetric (TG) analysis. The reaction tests were conducted at temperatures ranging from 220 to 300 degrees C. The V/Fe-PILC catalysts exhibited very good catalytic performance toward H2S oxidation at 220-300 degrees C without much SO2 emission. The H2S conversion over V/Fe-PILC increased with increasing vanadia content up to 7 wt.%. This superior catalytic performance might be related to the uniform dispersion of vanadia species on the Fe-PILC support. (C) 2011 Published by Elsevier B.V.

키워드

Selective catalytic oxidation; Hydrogen sulfide; Sulfur; Pillared clay; Vanadia; ELEMENTAL SULFUR; HYDROGEN-SULFIDE; OXIDE CATALYSTS; MIXED-OXIDE; REDUCTION; ADSORPTION; VANADIUM; REMOVAL; NO; PERFORMANCE

제목: Selective catalytic oxidation of H2S over V2O5-supported Fe-pillared montmorillonite clay

저자: Bineesh, Kanattukara Vijayan; Kim, Moon-Il; Park, Moon-Seok; Lee, Kwan-Young; Park, Dae-Won

DOI: 10.1016/j.cattod.2011.03.033

발행일: 2011-10-25

유형: Article; Proceedings Paper

저널명: Catalysis Today

권: 175

호: 1

페이지: 183 ~ 188