Results 21 to 30 of about 96,778 (262)

Performance of a carbon monoxide sensor based on zirconia-doped ceria

open access: yesJournal of Asian Ceramic Societies, 2016
Resistive-type carbon monoxide sensors were fabricated using zirconia-doped ceria, and their sensing properties were evaluated and compared with equivalent devices based on non-doped ceria.
Noriya Izu   +3 more
doaj   +1 more source

Structural studies of mesoporous ZrO$_{2}$-CeO$_{2}$ and ZrO$_{2}$-CeO$_{2}$/SiO$_{2}$ mixed oxides for catalytical applications [PDF]

open access: yes, 2016
In this work the synthesis of ZrO$_{2}$-CeO$_{2}$ and ZrO$_{2}$-CeO$_{2}$/SiO$_{2}$ were developed, based on the process to form ordered mesoporous materials such as SBA-15 silica.
Bacani, R.   +3 more
core   +2 more sources

Eco Friendly Nitration of Toluene using Modified Zirconia

open access: yesBulletin of Chemical Reaction Engineering & Catalysis, 2013
Nitration of toluene has been studied in the liquid phase over a series of modified zirconia catalysts.  Zirconia, zirconia- ceria (Zr0.98Ce0.02)O2, sulfated zirconia and sulfated zirconia- ceria were synthesised by co precipitation method and were ...
K. R. Sunaja Devi, S. Jayashree
doaj   +1 more source

Partial encapsulation of Pd particles by reduced ceria-zirconia [PDF]

open access: yes, 2005
Direct observation of metal-oxide interfaces with atomic resolution can be achieved by cross-sectional high-resolution transmission electron microscopy (HRTEM).
Graham, G. W.   +6 more
core   +1 more source

Behavior of different soot combustion catalysts under NOx/O2. Importance of the catalyst–soot contact [PDF]

open access: yes, 2013
Four different catalysts (Pt/Al2O3, Ce0.8Zr0.2O2, PrO2−x and SrTiCuO3) have been investigated on a laboratory scale to evaluate their potential as diesel soot combustion catalysts under different experimental conditions, which simulate the situation ...
Bueno López, Agustín   +3 more
core   +2 more sources

CeO2 based catalysts for the treatment of propylene in motorcycle's exhaust gases [PDF]

open access: yes, 2014
In this work, the catalytic activities of several single metallic oxides were studied for the treatment of propylene, a component in motorcycles' exhaust gases, under oxygen deficient conditions.
Minh, Thang Le   +3 more
core   +2 more sources

Potential of Ceria-Based Catalysts for the Oxidation of Landfill Leachate by Heterogeneous Fenton Process

open access: yesInternational Journal of Photoenergy, 2012
In this study, ceria and ceria-zirconia solid solutions were tested as catalyst for the treatment of landfill leachate with a Fenton-like process. The catalysts considered in this work were pure ceria and ceria-zirconia solid solutions as well as iron ...
E. Aneggi   +3 more
doaj   +1 more source

Catalytic Behaviour of Mesoporous Cobalt-Aluminum Oxides for CO Oxidation [PDF]

open access: yes, 2014
Ordered mesoporous materials are promising catalyst supports due to their uniform pore size distribution, high specific surface area and pore volume, tunable pore sizes, and long-range ordering of the pore packing.
Bordoloi, Ankur   +7 more
core   +3 more sources

Unexpected trends in the enhanced Ce3+ surface concentration in ceria–zirconia catalyst materials

open access: yesJournal of Materials Chemistry A, 2020
Zirconium doping has a dramatically different influence on Ce reduction in the bulk than on the surface of ceria–zirconia.
W. Yuan   +7 more
semanticscholar   +1 more source

Effect of the CeZrNd mixed oxide synthesis method in the catalytic combustion of soot [PDF]

open access: yes, 2015
Ce0.64Zr0.27Nd0.09Oδ mixed oxides have been prepared by three different methods (nitrates calcination, coprecipitation and microemulsion), characterized by N2 adsorption, XRD, H2-TPR, Raman spectroscopy and XPS, and tested for soot combustion in NOx/O2 ...
Bueno López, Agustín   +2 more
core   +2 more sources

Home - About - Disclaimer - Privacy