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Investigation of the effect of H2S on the performance of an iron/chromium-based high-temperature water–gas shift catalyst using simulated coal-derived syngas

Paper ID Volume ID Publish Year Pages File Format Full-Text
51469 46843 2009 4 PDF Available
Title
Investigation of the effect of H2S on the performance of an iron/chromium-based high-temperature water–gas shift catalyst using simulated coal-derived syngas
Abstract

The effects of H2S concentrations on the performance of an iron/chromium-based high-temperature water–gas shift catalyst were investigated using simulated dry-feed coal-derived syngas. The experiments were performed in a differential reactor at a constant temperature of 450 °C and at approximately atmospheric pressure. Low concentrations of H2S in the syngas (<50 ppm) were found to have a minor effect on the water–gas shift activity of the catalyst. At a higher range of H2S concentration (168–250 ppm), the catalyst lost approximately half of its activity. The reaction orders with respect to H2S concentration in the feed gas were calculated to be −0.24 ± 0.09 for a lower range of H2S concentration (17–70 ppm) and −0.55 ± 0.05 for a higher range of H2S concentration (120–1100 ppm).

Keywords
Water–gas shift reaction; Fe–Cr oxide catalyst; Coal-derived syngas; Sulfur
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Investigation of the effect of H2S on the performance of an iron/chromium-based high-temperature water–gas shift catalyst using simulated coal-derived syngas
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 6, 15 February 2009, Pages 967–970
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us