FT-IR studies on coke formation over low loaded Mo catalyst supported on Al<inf>2</inf>O<inf>3</inf>

Sarbak, Zenon

doi:10.1007/s11144-005-0218-1

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FT-IR studies on coke formation over low loaded Mo catalyst supported on Al2O3

Authors:

Zenon Sarbak

Abstract

The in situ deposition of coke by exposure to ethylene at 673 K on 2 wt.% Mo/Al₂O₃reduced and sulfided catalysts has been studied by means of IR spectroscopy. The bands at about 1580 and 1470 cm^-1 indicate the presence of carboxylate carbon in the coke. The fact of CO adsorption suggests that Mo species contain mainly Mo⁵⁺ ions as well as coordinately unsaturated Al⁵⁺ ions. The hydroxy groups attached to these ions take part in coke formation. © 2005 Akadémiai Kiadó, Budapest. All rights reserved.

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Record ID: UAM01d492fb5b6245e69ad6cd5c4c99fdb4
Author: Zenon Sarbak Zenon Sarbak,, Wydział Chemii [nowa struktura organizacyjna] (SNŚ/WC)Szkoła Nauk Ścisłych [nowa struktura organizacyjna] (SNŚ)
Journal series: Reaction Kinetics and Catalysis Letters, ISSN 0133-1736, [1588-2837]
Issue year: 2005
Vol: 84
Pages: 263-270
ASJC Classification: 1606 Physical and Theoretical Chemistry; 1503 Catalysis
DOI: DOI:10.1007/s11144-005-0218-1 Opening in a new tab
Language: (en) English
Score (nominal): 15
Score source: journalList
Publication indicators: Scopus Citations = 5; WoS Impact Factor: 2006 (2 years) = 0.514 - 2007 (5 years) =0.607

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Uniform Resource Identifier: https://researchportal.amu.edu.pl/info/article/UAM01d492fb5b6245e69ad6cd5c4c99fdb4/

URN: urn:amu-prod:UAM01d492fb5b6245e69ad6cd5c4c99fdb4

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