A Novel Silver-Silica Catalyst Used for the Manufacture of Formaldehyde

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  • Wei-Lin Dai
    Department of Chemistry, Fudan UniversityShanghai 200433, P. R . China
  • Yong Cao
    Department of Chemistry, Fudan UniversityShanghai 200433, P. R . China
  • He-Xing Li
    Department of Chemistry, Fudan UniversityShanghai 200433, P. R . China
  • Jing-Fa Deng
    Department of Chemistry, Fudan UniversityShanghai 200433, P. R . China

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<jats:title>Abstract</jats:title> <jats:p>Several novel silver-silica catalysts were prepared by means of sol-gel method, which exhibited high activity and selectivity in the catalytic oxidation of methanol to formaldehyde. The optimum content of silver was determined as 20%(w/w.), which showed 97% conversion and 85.5% yield of formaldehyde. Some other superiority of the as-prepared silver catalysts was observed by comparing with the commercial silver catalysts, including pumice-supported silver and electrolytic silver. XRD patterns reveal that silver is present as a crystalline state in the Ag-SiO2 catalysts.</jats:p>

収録刊行物

  • Chemistry Letters

    Chemistry Letters 26 (3), 197-198, 1997-03-01

    Oxford University Press (OUP)

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