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。