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Advantages of Stainless Steel Sieves as Support for Catalytic N2O Decomposition over K-doped Co3O4.
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SYSNO ASEP 0456088 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Advantages of Stainless Steel Sieves as Support for Catalytic N2O Decomposition over K-doped Co3O4. Author(s) Klyushina, A. (CZ)
Pacultová, K. (CZ)
Krejčová, S. (CZ)
Slowik, G. (PL)
Jirátová, Květa (UCHP-M) RID, ORCID, SAI
Kovanda, F. (CZ)
Ryczkowski, J. (PL)
Obalová, L. (CZ)Source Title Catalysis Today. - : Elsevier - ISSN 0920-5861
Roč. 257, Part 1 (2015), s. 2-10Number of pages 9 s. Action AWPAC2014 - International Symposium on Air & Water Pollution Abatement Catalysis Event date 01.09.2014 - 05.09.2014 VEvent location Krakow Country PL - Poland Event type EUR Language eng - English Country NL - Netherlands Keywords N2O catalytic decomposition ; Co3O4 ; stainless steel support ; potassium promoter ; TiO2 support Subject RIV CI - Industrial Chemistry, Chemical Engineering R&D Projects GA14-13750S GA ČR - Czech Science Foundation (CSF) Institutional support UCHP-M - RVO:67985858 UT WOS 000361249500002 EID SCOPUS 84941599208 DOI 10.1016/j.cattod.2015.05.015 Annotation Supported Co3O4 catalysts were prepared by heating of the cobalt hydroxide synthesized electrochemically on stainless steel sieves and by heating of the commercial TiO2 pellets impregnated with cobalt nitrate solution; the catalysts were modified with potassium promoter. The comparable activities expressed as TOF were evaluated over the K-doped Co3O4 deposited on stainless steel sieves and K-doped Co3O4 grains which is connected with the absence of internal diffusion limitation as was confirmed by calculation of internal effectiveness factor. Mathematic model of ideal plug flow reactor was used for simulation of the catalytic reactor for N2O decomposition to compare catalytic performance of K/Co3O4 catalyst deposited on stainless sieves and TiO2 pellets. Simulation results showed that higher conversions can be achieved over the catalyst deposited on stainless steel sieves in comparison with TiO2 pellets. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2016
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