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  Nitrite reduction over Pd supported CNFs: metal particle size effect on selectivity

Chinthaginjala, J. K., Villa, A., Su, D. S., Mojet, B. L., & Lefferts, L. (2012). Nitrite reduction over Pd supported CNFs: metal particle size effect on selectivity. Catalysis today, 183(1), 119-123. doi:10.1016/j.cattod.2011.11.003.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0012-0C80-7 Version Permalink: https://hdl.handle.net/21.11116/0000-0005-EEF0-0
Genre: Journal Article

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 Creators:
Chinthaginjala, J. K.1, Author
Villa, Alberto2, Author           
Su, Dang Sheng2, Author           
Mojet, B. L.1, Author
Lefferts, Leon1, Author
Affiliations:
1Catalytic Processes and Materials, IMPACT and MESA+, University of Twente, PO Box 217, 7500 AE, Enschede, the Netherlands, ou_persistent22              
2Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              

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Free keywords: CNF; Pd catalysts; CO-chemisorption; TEM
 Abstract: Pd catalysts supported on carbon-nano-fibres (CNFs) were synthesized via Pd colloids stabilized with polyvinyl-alcohol (PVA). Pd catalysts with narrow particle sizes distributions and mean Pd sizes between 2.6 and 30nm were immobilized on CNFs. Characterization with CO-chemisorption and transmission electron microscopy (TEM) revealed that a significant part of the Pd surface is blocked by the polymer layer on the Pd particles. The prepared catalysts were tested for nitrite reduction in water, resulting in formation of nitrogen and ammonia. Turn over frequencies were found to be independent of Pd particle size while selectivity to ammonia clearly decreased with increasing Pd particle size.

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Language(s): eng - English
 Dates: 2011-12-032012-03-20
 Publication Status: Issued
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.cattod.2011.11.003
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Title: Catalysis today
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 183 (1) Sequence Number: - Start / End Page: 119 - 123 Identifier: ISSN: 0920-5861
CoNE: https://pure.mpg.de/cone/journals/resource/954925564669