| 摘要 |
A catalyst composition and its use for the oxidation of ethane to ethylene a nd acetic acid which comprises (i) a support, and (ii) in combination with oxygen, the elements molybdenum, vanadium and niobium, optionally tungsten a nd a component Z, which is one or more metals of Group 14 of the Periodic Table of Elements; a, b, c, d and e represent the gram atom ratios of the elements Mo, W, Z, V and Nb respectively, such that 0 <a<= 1; 0 <=b< 1 an d a + b = 1; 0.05 <c<= 2; 0 <d<= 2; and 0 <e<= 1. |
