Claims
- 1. In the process for the oxidative dehydrogenation of an olefin containing 4 to about 10 carbon atoms to its corresponding diolefin by contacting the olefin with molecular oxygen at a temperature of about 200.degree. C. to about 600.degree. C. in the presence of a catalyst, the improvement comprising
- using as the catalyst the catatalyst of the formula
- A.sub.a D.sub.b Ni.sub.c Co.sub.d Cr.sub.e Bi.sub.f Mo.sub.12 O.sub.x
- wherein
- A is an alkali metal, Tl, In, Ag, Cu, rare earth metal or mixture thereof; and
- D is P, As, Sb, Sn, Ge, B, W, Th, V, Ti, Si or mixture thereof;
- and wherein
- a and b are 0-4;
- c and d are 0 to 20 with c+d greater than or equal to 0.1;
- e is 0.1 to about 10;
- f is about 0.01 to 6; and
- x is the number of oxygens required to satisfy the valence requirements of the other elements present.
- 2. The process of claim 1 wherein the catalyst contains an alkali metal.
- 3. The process of claim 1 wherein the catalyst contains potassium.
- 4. The process of claim 1 wherein the catalyst contains nickel and cobalt.
- 5. The process of claim 4 wherein the catalyst contains copper.
- 6. The proces of claim 1 wherein the catalyst is K.sub.0.1 Ni.sub.2.5 Co.sub.4.5 Cr.sub.3 BiP.sub.0.5 Mo.sub.12 O.sub.x.
Parent Case Info
This is a divisional of application Ser. No. 393,732 filed Sept. 4, 1973 now U.S. Pat. No. 3,956,181.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
3625867 |
Yoshino et al. |
Jul 1971 |
|
3764632 |
Takenaka et al. |
Oct 1973 |
|
3789017 |
Walker |
Jan 1974 |
|
3825502 |
Takenaka et al. |
Jul 1974 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
393732 |
Sep 1973 |
|