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Silica-supported silver catalysts modified by cerium/manganese oxides for total oxidation of formaldehyde

Paper ID Volume ID Publish Year Pages File Format Full-Text
40088 45843 2013 11 PDF Available
Title
Silica-supported silver catalysts modified by cerium/manganese oxides for total oxidation of formaldehyde
Abstract

•Supported catalysts with dispersed and interfaced Ag and CeO2/MnOx were obtained.•The synergetic action between silica-supported Ag and CeO2/MnOx oxide was observed.•Used catalyst design provides the development of reasonable and rather active catalysts.

Silica-supported silver catalysts modified by cerium/manganese oxides were studied as catalysts for total oxidation of formaldehyde. The catalysts were characterized by N2 adsorption, XRD, and H2-TPR methods. Catalytic activity of the samples was tested in a flow fixed-bed reactor at atmospheric pressure and 100–200 °C using a feed gas containing 10,000–22,000 ppm of formaldehyde with a flow rate corresponding to a WHSV of ∼69,000 mL/(gcat h). It was shown that combination of silica support and a small amount of cerium/manganese oxides allows developing silver catalysts with defined micro- and macrostructure as well as high activity in the total oxidation of formaldehyde.

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Keywords
Silver catalysts; Total oxidation; Formaldehyde; Ceria; Manganese oxides
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Silica-supported silver catalysts modified by cerium/manganese oxides for total oxidation of formaldehyde
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 467, 2 October 2013, Pages 519–529
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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Price after discount Only $4.95
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Full-text PDF Download
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