NDLI: Selective oxidation of CO in excess hydrogen on copper

Content Provider	Springer Nature Link
Author	Usachev, N. Ya. Gorevaya, I. A. Belava, E. P. Kazakov, A. V. Atalyan, O. K. Kharlamov, V. V.
Copyright Year	2004
Abstract	Selective oxidation of CO that is in mixtures enriched in H$_{2}$ was studied to investigate catalytic properties of the 0.5—80% CuO/Ce$_{0.7}$Zr$_{0.3}$O$_{2}$ system. The catalysts were prepared by the combined decomposition of copper, cerium, and zirconyl nitrates at 300 °C. The systems studied are active and stable under mild conditions of the process (80—160 °C) and at high space velocities (to 100000 h$^{–1}$) of the reaction mixture (2% CO, 1% O$_{2}$, 40—50% H$_{2}$). With an increase in the CuO content in the catalysts up to 20%, the degree of CO removal achieves 60% (120 °C and V = 35000 h$^{–1}$) and further does not change appreciably. The contribution of oxygen participation into CO oxidation is virtually independent of the copper concentration in the sample and ranges from 65 to 75%. The dependences of the Arrhenius equation parameters for CO and H$_{2}$ oxidation on the catalyst composition were determined, which makes it possible to calculate the conversion of reactants and selectivity of CO conversion under the specified conditions of the process. The addition of CO$_{2}$ and H$_{2}$O (12—15%) to the reaction mixture decreases the catalyst activity and simultaneously increases the selectivity of CO oxidation to 100%. It is shown by the TPR and X-ray diffraction methods that the combined decomposition of the starting Cu$^{2+}$, Ce$^{3+}$, and ZrO$^{2+}$ nitrates produces solid solutions of oxides with a high content of CuO. The reductive pre-treatment of fresh samples of the studied catalysts results in the destruction of the solid solution and formation of highly dispersed Cu particles on the surface of Ce—Zr—O. These particles are active in CO oxidation.
Starting Page	538
Ending Page	546
Page Count	9
File Format	PDF
ISSN	10665285
Journal	Russian Chemical Bulletin
Volume Number	53
Issue Number	3
e-ISSN	15739171
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2004-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Chemistry/Food Science
Content Type	Text
Resource Type	Article
Subject	Chemistry

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Effect of the nature of the support for copper-cerium oxide catalysts on selective oxidation of CO in hydrogen-rich mixtures

Effect of ZrO$_{2}$ morphology in copper–cerium–zirconium oxide systems on their catalytic properties in the reaction of co oxidation in hydrogen-rich mixtures

Activity of copper–cerium–zirconium catalysts in oxidation of hydrogen

Structural Organization of Nanophase Catalysts for Preferential CO Oxidation

Effect of the nature of support and Cu precursor on the activity of copper-containing catalysts in CO oxidation

Copper-cerium oxide catalysts for the selective oxidation of carbon monoxide in hydrogen-containing mixtures: II. Physicochemical characterization of the catalysts

Copper-cerium oxide catalysts for the selective oxidation of carbon monoxide in hydrogen-containing mixtures: I. Catalytic activity

Mechanism of carbon monoxide oxidation on supported copper catalysts modified with cerium and platinum

Effect of the nanoparticle size of supported copper-containing catalysts on their activity in the selective oxidation of CO in an excess of H$_{2}$

Selective oxidation of CO in excess hydrogen on copper—cerium-containing catalysts

Similar Documents

Effect of the nature of the support for copper-cerium oxide catalysts on selective oxidation of CO in hydrogen-rich mixtures

Effect of ZrO$_{2}$ morphology in copper–cerium–zirconium oxide systems on their catalytic properties in the reaction of co oxidation in hydrogen-rich mixtures

Activity of copper–cerium–zirconium catalysts in oxidation of hydrogen

Structural Organization of Nanophase Catalysts for Preferential CO Oxidation

Effect of the nature of support and Cu precursor on the activity of copper-containing catalysts in CO oxidation

Copper-cerium oxide catalysts for the selective oxidation of carbon monoxide in hydrogen-containing mixtures: II. Physicochemical characterization of the catalysts

Copper-cerium oxide catalysts for the selective oxidation of carbon monoxide in hydrogen-containing mixtures: I. Catalytic activity

Mechanism of carbon monoxide oxidation on supported copper catalysts modified with cerium and platinum

Effect of the nanoparticle size of supported copper-containing catalysts on their activity in the selective oxidation of CO in an excess of H$_{2}$

Selective oxidation of CO in excess hydrogen on copper—cerium-containing catalysts