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- W1965654814 endingPage "1165" @default.
- W1965654814 startingPage "1155" @default.
- W1965654814 abstract "The bimetallic Pd–Cu nanocatalysts with different Pd loadings and ultrasonic irradiation times were sonochemically synthesized and their activities toward CO oxidation were investigated. XRD, FESEM, TEM, BET, FTIR and TG-DTG techniques were employed in nanocatalysts characterization. XRD data confirmed formation of CuAl2O4 spinel with an average crystallite size of 4.9 nm. FESEM images revealed more uniform pattern and also fewer agglomerations were observed by increasing ultrasonic irradiation time. In agreement with FESEM result, TEM images depicted nanoparticles and uniform dispersion of active phase over alumina. BET surface analysis showed that increasing the Pd loading has no significant effect on surface area; whereas by increasing irradiation time the surface area increases slightly. Catalytic performance tests of synthesized samples showed that Pd(1.5%)–Cu(20%)/Al2O3 with 95 min ultrasonic irradiation time had the best activity over the course of reaction. In addition, increasing CO at feed composition revealed that among synthesized nanocatalysts with 0.5%, 1% and 1.5% of Pd, synthesized sample with 1.5% of Pd had the best low-temperature activity." @default.
- W1965654814 created "2016-06-24" @default.
- W1965654814 creator A5003810741 @default.
- W1965654814 creator A5018391637 @default.
- W1965654814 creator A5059441501 @default.
- W1965654814 creator A5090055391 @default.
- W1965654814 date "2014-05-01" @default.
- W1965654814 modified "2023-10-16" @default.
- W1965654814 title "CO oxidation over sonochemically synthesized Pd–Cu/Al2O3 nanocatalyst used in hydrogen purification: Effect of Pd loading and ultrasound irradiation time" @default.
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