申请人:NIPPON SHOKUBAI CO., LTD.
公开号:US20020188159A1
公开(公告)日:2002-12-12
The present invention provide a catalyst capable of producing an aromatic aldehyde by gas-phase oxidation of the corresponding alkylbenzene in the presence of a molecular oxygen in high yield, and a method of producing an aromatic aldehyde from the corresponding alkylbenzene in high yield by using the above catalyst.
An alkylbenzene oxidation catalyst for the production of an aromatic aldehyde by gas-phase oxidation of the corresponding alkylbenzene in the presence of a molecular oxygen,
which comprises tungsten and antimony plus an oxide of at least one metal species selected from the group consisting of niobium, tantalum, zirconium, and titanium or a composite oxide of two or more metal species selected from said group.
本发明提供了一种催化剂,能够在分子氧存在的情况下通过气相氧化相应的烷基苯高产率地产生芳香醛,以及一种利用上述催化剂从相应的烷基苯高产率地生产芳香醛的方法。
一种烷基苯氧化催化剂,用于在分子氧存在的情况下通过气相氧化相应的烷基苯生产芳香醛,所述催化剂包括钨和锑以及至少选择自铌、钽、锆和钛中的一种金属种类的氧化物,或者选择自所述组中的两种或更多金属种类的复合氧化物。