Reduction of sulfur dioxide by syngas to elemental sulfur over iron-based mixed oxide supported catalyst

An iron‐based supported catalyst has been developed for the reduction of SO2 by synthesis gas to obtain more than 97% yield of elemental sulfur with a single stage reactor for 340–480°C (30–40 mesh particles), 440–580°C (d · 3 mm × h · 5 mm granules). Parametric studies on the performance of the cat...

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Veröffentlicht in:Environmental progress 1997-03, Vol.16 (1), p.1-8
Hauptverfasser: Jin, Yun, Yu, Qiquan, Chang, Shih-Ger
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Yu, Qiquan
Chang, Shih-Ger
description An iron‐based supported catalyst has been developed for the reduction of SO2 by synthesis gas to obtain more than 97% yield of elemental sulfur with a single stage reactor for 340–480°C (30–40 mesh particles), 440–580°C (d · 3 mm × h · 5 mm granules). Parametric studies on the performance of the catalyst have been conducted. The parameters studied include temperature, space velocity, molar ratio of H2 to CO, molar ratio of syngas to SO2 in the feed, and particle size of the catalyst. A lifetime test has been successfully performed. The mass balance of sulfur and carbon has been demonstrated.
doi_str_mv 10.1002/ep.3300160112
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subjects Applied sciences
Atmospheric pollution
Combustion and energy production
Exact sciences and technology
Pollution
Prevention and purification methods
title Reduction of sulfur dioxide by syngas to elemental sulfur over iron-based mixed oxide supported catalyst
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