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Bulk Co3O4 for Methane Oxidation: Effect of the Synthesis Route on Physico-Chemical Properties and Catalytic Performance
(MDPI, 2022-01-13)
The synthesis of bulk pure Co3O4 catalysts by different routes has been examined in order to obtain highly active catalysts for lean methane combustion. Thus, eight synthesis methodologies, which were selected based on ...
Synthesis, Characterization and Kinetic Behavior of Supported Cobalt Catalysts for Oxidative after-Treatment of Methane Lean Mixtures
(MDPI, 2019-09-27)
The present work addresses the influence of the support on the catalytic behavior of Co3O4-based catalysts in the combustion of lean methane present in the exhaust gases from natural gas vehicular engines. Three different ...
Effect of Residual Na+ on the Combustion of Methane over Co3O4 Bulk Catalysts Prepared by Precipitation
(MDPI, 2018-09-29)
The effect of the presence of residual sodium (0.4 %wt) over a Co3O4 bulk catalyst for methane combustion was studied. Two samples, with and without residual sodium, were synthesized by precipitation and thoroughly ...
Comparative Study of Strategies for Enhancing the Performance of Co3O4/Al2O3 Catalysts for Lean Methane Combustion
(MDPI, 2020-07-08)
Spinel-type cobalt oxide is a highly active catalyst for oxidation reactions owing to its remarkable redox properties, although it generally exhibits poor mechanical, textural and structural properties. Supporting this ...
Novel Ce-modified cobalt catalysts supported over α-Al2O3 open cell foams for lean methane oxidation
(Elsevier, 2022-02)
[EN] A series of CeO2-modified Co3O4 catalysts supported over alpha-Al2O3 foams was prepared by solution combustion synthesis and examined for the lean methane oxidation. Two different fuels were used namely, urea and ...
Beneficial effects of nickel promoter on the efficiency of alumina-supported Co3O4 catalysts for lean methane oxidation
(Elsevier, 2022-12)
In this work bimetallic Ni catalysts supported over Co-Al2O3 and monometallic Co-Al2O3 and Ni-Al2O3 catalysts were examined for the complete oxidation of methane. With a 30 % total metallic loading, the samples were ...
Oxidation of residual methane from VNG vehicles over Co3O4-based catalysts: Comparison among bulk, Al2O3-supported and Ce-doped catalysts
(Elsevier, 2018-06-20)
Cobalt oxide based catalysts with three different active phase configurations, namely bulk, alumina supported and cerium-doped Co3O4 samples were examined for the complete oxidation of methane under conditions similar to ...
Optimisation of bimetallic Co-Ni supported catalysts for oxidation of methane in natural gas vehicles
(Elsevier, 2020-11-21)
This work deals with the extensive study of supported bimetallic Co-Ni catalysts for the complete oxidation of methane. The simultaneous incorporation of nickel and cobalt was found to enhance the redox properties by ...
On the beneficial effect of MgO promoter on the performance of Co3O4/Al2O3 catalysts for combustion of dilute methane
(Elsevier, 2019-05-30)
The present work deals with the analysis of a series of cobalt catalysts (20 and 30%wt.Co) supported on alumina modified with MgO (7–18%wt.Mg with respect to the support) for the combustion of dilute methane. Both modified ...
Oxidation of lean methane over cobalt catalysts supported on ceria/alumina
(Elsevier, 2019-12-23)
Cobalt (30 %wt.) oxide catalysts supported over ceria-modified (3–18 %wt.) alumina supports were examined for the combustion of lean methane. The prepared samples were characterised by wavelength dispersive X-ray fluorescence, ...