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  29-P-25-Iron containing zeolites and mesoporous silica as sulfuric acid catalyst

Wingen, A., Schmidt, W., Schüth, F., Wie, A., Liao, C., & Chao, K. (2001). 29-P-25-Iron containing zeolites and mesoporous silica as sulfuric acid catalyst. Studies in Surface Science and Catalysis, 135, 317. doi:10.1016/S0167-2991(01)81720-1.

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 Creators:
Wingen, A.1, Author              
Schmidt, W.2, Author              
Schüth, F.1, Author              
Wie, A.C., Author
Liao, C.N., Author
Chao, K.J., Author
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
2Research Group Schmidt, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445618              

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Language(s): eng - English
 Dates: 2007-06-192001
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: This chapter presents iron-modified zeolites and ordered mesoporous oxides as catalysts for the sulfur dioxide oxidation in sulfur-rich gases. Both zeolitic materials and mesoporous oxides exhibit very good activity in this reaction. Other than solid state or incipient wetness loaded MCM-41 materials, the zeolites do not show an initial loss of activity. However, they loose activity upon prolonged exposure to reaction conditions around 700°C. The zeolitic samples are analyzed through X-ray absorption spectroscopy, and the deactivation could be related to the removal of iron from framework sites to result in the formation of hematite-like species. If the iron can be stabilized in the framework, these materials could be an interesting alternative to other iron-based catalysts for the commercial application in sulfur-rich gases.
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/S0167-2991(01)81720-1
 Degree: -

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Title: Studies in Surface Science and Catalysis
Source Genre: Book
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 135 Sequence Number: - Start / End Page: 317 Identifier: ISSN: 0167-2991
ISBN: 978-0-444-53833-8
CoNE: https://pure.mpg.de/cone/journals/resource/954926964942_2