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Characterization of solid solutions composed of oxides of Cu, Zn, and Cr for methanol synthesis

✍ Scribed by A. M. Gadalla; A. Haddad

Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
887 KB
Volume
19
Category
Article
ISSN
0538-8066

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✦ Synopsis

Solid solutions of Cu,O alone and Cu,O with ZnO or Cr,O, in ZnO . Cr,O, as well as solid solutions of ZnO in Cu20 . CrzO, have activities and selectivities for methanol synthesis comparable to solid solutions of Cu20 in ZnO. Addition of a secondary phase to these solid solutions limits the grain growth and produces higher surface areas.

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✍ G.L. Castiglioni; G. Minelli; P. Porta; A. Vaccari πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 210 KB

Di4erent mixed oxides containing Cu, Zn, Co, Mg, and Cr were obtained by calcining hydroxycarbonate precursors at different temperatures (653 or 873 K). Characterization was performed by X-ray di4raction, thermal analysis, infrared and re6ectance spectroscopy, and BET surface area determination. Dep