申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0052839A1
公开(公告)日:1982-06-02
A method for production of phenol or nucleus-substituted phenols from benzoic acid or nucleus-substituted benzoic acids by gas-phase catalytic oxidation characterized by using an oxide catalyst of the formula,
wherein Mo is molybdenum, W is at least one of vanadium, niobium and tantalum, X is at least one of copper, silver, manganese, iron, cobalt, nickel, rhodium, palladium and platinum, Y is at least one of cerium, uranium, zirconium, chromium, tungsten, zinc, cadmium, tin, phosphorus, antimony, bismuth and tellurium, Z is at least one of thallium, alkali metals and alkaline earth metals, and when a is fixed to 12, b is 0.1 to 60, c is 0.1 to 60, d is 0 to 24, e is 0.1 to 120 and f is the number of oxygen atoms satisfying the valence of other elements.
一种通过气相催化氧化从苯甲酸或核代苯甲酸制取苯酚或核代苯酚的方法,其特征在于使用式中的氧化物催化剂、
其中 Mo 是钼,W 是钒、铌和钽中的至少一种,X 是铜、银、锰、铁、钴、镍、铑、钯和铂中的至少一种,Y 是铈、铀、锆、铬、铌和钽中的至少一种、铀、锆、铬、钨、锌、镉、锡、磷、锑、铋和碲中的至少一种,Z 是铊、碱金属和碱土金属中的至少一种,当 a 固定为 12 时,b 是 0.1至60,c为0.1至60,d为0至24,e为0.1至120,f为满足其他元素化合价的氧原子数。