Oxidation catalysts
    2.
    发明授权
    Oxidation catalysts 失效
    氧化催化剂

    公开(公告)号:US4293443A

    公开(公告)日:1981-10-06

    申请号:US108764

    申请日:1979-12-31

    摘要: Catalysts comprising the combined oxides of vanadium and at least one element selected from the group consisting of boron, niobium, tantalum, antimony, tungsten and chromium have been found to be especially effective in the oxidation of n-butane, n-butenes and butadiene, or a mixture thereof with molecular oxygen in the vapor phase to yield maleic anhydride. The catalysts of the present invention may be further promoted with additional elements to enhance activity, stability and selectivity. The reaction with n-butane gives an especially pure product in good yield and selectivity.

    摘要翻译: 已经发现包含钒的组合氧化物和选自硼,铌,钽,锑,钨和铬中的至少一种元素的催化剂在正丁烷,正丁烯和丁二烯的氧化中是特别有效的, 或其与气相中的分子氧的混合物,得到马来酸酐。 本发明的催化剂可以通过附加元素进一步促进,以增强活性,稳定性和选择性。 与正丁烷的反应以良好的产率和选择性得到特别纯的产物。