Claims
- 1. A catalyst, being a mixed solid composition selected from the group consisting of(a) Mo12Co4.7Bi1Ni2.6Fe3.7W0.5Sn0.5Si1K0.08Ox; (b) Mo12Co3.5Bi1.1Fe0.8W0.5Si1.4K0.05Ox; and (c) Mo12Co3.8Bi1.2Fe0.9W1.1Si1.5K0.05Ox, wherein x is the quantity of oxygen bonded to the other elements and depends on their oxidation states.
- 2. A catalyst according to claim 1, wherein said catalyst is (a) Mo12Co4.7Bi1Ni2.6Fe3.7W0.5Sn0.5Si1K0.08Ox.
- 3. A catalyst according to claim 1, wherein said catalyst is (b) Mo12Co3.5Bi1.1Fe0.8W0.5Si1.4K0.05Ox.
- 4. A catalyst according to claim 1, wherein said catalyst is (c) Mo12Co3.8Bi1.2Fe0.9W1.1Si1.5K0.05Ox.
- 5. A reactor purged of oxygen and containing a catalyst according to claim 1.
- 6. A reactor purged of oxygen and containing a catalyst of formula I:Mo12WaBibFecCodNieSifKgSnhOx (I) in which:a is between 0 and 5, limits included, b is between 0.5 and 5, limits included, c is between 0.1 and 10, limits included, d is between 0.5 and 10, limits included, e is between 0 and 10, limits included, f is between 0 and 15, limits included, g is between 0 and 1, limits included, h is between 0 and 2, limits included, x is the quantity of oxygen bonded to the other elements and depends on their oxidation states.
- 7. A catalyst of formula I:Mo12WaBibFecCodNieSifKgSnhOx (I) in which:a is between 0.5 and 5, limits included, b is between 0.5 and 5, limits included, c is between 0.1 and 10, limits included, d is between 0.5 and 10, limits included, e is between 0 and 10, limits included, f is between 0 and 15, limits included, g is between 0 and 1, limits included, h is between 0.5 and 2, limits included, and x is the quantity of oxygen bonded to the other elements and depends on their oxidation states.
- 8. A catalyst according to claim 7, wherein(a) is 0.5-1.1; (b) is 1-1.2; (c) is 0.8-3.7; (d) is 3.5-4.7; (f) is 1-1.5; and (g) is 0.05-0.08.
- 9. A catalyst according to claim 7, wherein a is 0.5 and h is 0.5.
- 10. A reactor according to claim 5, wherein said reactor further contains gaseous propylene.
- 11. A reactor according to claim 6, wherein said reactor further contains gaseous propylene.
Priority Claims (1)
Number |
Date |
Country |
Kind |
97 02343 |
Feb 1997 |
FR |
|
Parent Case Info
This is a divisional of application Ser. No. 09/031,665 filed Feb. 27, 1998 now U.S. Pat. No. 6,080,893.
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