초록 ▼

An olefin having 4 carbon atoms or t-butyl alcohol is catalytically oxidized in the gas phase with molecular oxygen at 200°to 450°C to give the corresponding unsaturated aldehyde, unsaturated carboxylic acid and/or conjugated diene in the presence of a catalyst having the formula: Moa Sbb Bic Fed Ni

An olefin having 4 carbon atoms or t-butyl alcohol is catalytically oxidized in the gas phase with molecular oxygen at 200°to 450°C to give the corresponding unsaturated aldehyde, unsaturated carboxylic acid and/or conjugated diene in the presence of a catalyst having the formula: Moa Sbb Bic Fed Nie Cof Sng Xh Yi Oj WHEREIN A TO J REPRESENT THE ATOMIC RATIO OF EACH COMPONENT AND A IS 12, B IS 0.2 TO 20, C IS 0.2 TO 12, D IS 0.2 TO 12, E IS 0.2 TO 12, F IS 0 TO 20, G IS 0 TO 20, H IS 0.01 TO 4, I IS 0.01 TO 4 AND J IS A VALUE DETERMINED BY THE VALENCIES OF THE ELEMENTS IN THE CATALYST, AND WHEREIN X is at least one metal selected from the group consisting of potassium, rubidium, cesium and thallium, and Y is at least one metal selected from the group consisting of selenium, tellurium, gallium, vanadium, ruthenium, zinc, niobium, magnesium, chromium, manganese, cadmium and tantalum.

대표청구항 ▼

In a process for catalytically oxidizing t-butyl alcohol in the gas phase with molecular oxygen at a temperature of 200°to 450°C. to the corresponding aldehyde, and acid, the improvement comprising: oxidizing said t-butyl alcohol over a calcined catalyst consisting essentially of: Mo2 Sbb Bic Fed Ni

In a process for catalytically oxidizing t-butyl alcohol in the gas phase with molecular oxygen at a temperature of 200°to 450°C. to the corresponding aldehyde, and acid, the improvement comprising: oxidizing said t-butyl alcohol over a calcined catalyst consisting essentially of: Mo2 Sbb Bic Fed Nie Cof Sng Xh Yi Oj wherein X is at least one metal selected from the group consisting of potassium, rubidium, cesium and thallium, and Y is at least one metal selected from the group consisting of selenium, tellurium, gallium, vanadium, ruthenium, zinc, niobium, magnesium, chromium, manganese, cadmium and tantalum; wherein the subscripts a to J are the atomic ratios of each component and a is 12, b= 0.2 to 20, c= 0.2 to 12, d= 0.2 to 12, e= 0.2 to 12, f= 0 to 20, g= 0 to 20, h= 0.01 to 4, i= 0.01 to 4, and j is a value determined by the valencies of the elements in the catalyst, and when Y is at least one metal selected from the group consisting of chromium, manganese and cadmium, f is 0.