Claims
- 1. Catalysts of the formula:
- X.sub.a A.sub.b D.sub.c E.sub.d Fe.sub.f Bi.sub.g Mo.sub.12 O.sub.x
- wherein X is Y, Zr, S, Th or mixture thereof;
- A is an alkali metal, thallium or mixture thereof;
- D is nickel, cobalt, calcium, strontium, cadmium, or mixture thereof;
- E is phosphorus, arsenic, boron, antimony or mixture thereof; and
- wherein
- a is greater than 0 and less than 5;
- b and d are 0-4;
- c is 0.1 to 20;
- f and g are 0.1-10; and
- x is the number of oxygens required to satisfy the valence requirements of the other elements present, said catalyst being free of chromium.
- 2. The catalyst of claim 1 wherein X is yttrium.
- 3. The catalyst of claim 1 wherein X is zirconium.
- 4. The catalyst of claim 1 wherein X is sulfur.
- 5. The catalyst of claim 1 wherein X is thorium.
- 6. The catalyst of claim 1 wherein X is yttrium, zirconium or sulfur.
- 7. The catalyst of claim 1 wherein said catalyst contains thorium and cesium.
- 8. Catalysts of the formula
- Ge.sub.a A.sub.b D.sub.c E.sub.d Fe.sub.f Bi.sub.g Mo.sub.12 O.sub.x
- A is an alkali metal or mixture thereof;
- D is nickel, cobalt, calcium, strontium, cadmium or mixture thereof;
- E is phosphorus, arsenic, boron, or mixture thereof; and
- wherein
- a is greater than 0 and less than 5;
- b is greater than 0 but less than 4.
- c is 0.1-20;
- d is 0-4;
- f and g are 0.1-10; and
- x is the number of oxygens required to satisfy the valence requirements of the other elements present, said catalysts being free of antimony and chromium.
- 9. Catalysts of the formula:
- X.sub.a A.sub.b D.sub.c E.sub.d Fe.sub.f Bi.sub.g Mo.sub.12 O.sub.x
- wherein
- X is Y, Zr, S, Th, or mixture thereof;
- A is an alkali metal, thallium or mixture thereof;
- D is nickel, cobalt, magnesium, calcium, strontium, zinc, cadmium or mixture thereof;
- E is phosphorus, arsenic, boron, tungsten, antimony or mixture thereof; and
- wherein
- a is greater than 0 and less than 5;
- b and d are 0-4;
- c is 0.1-20;
- f and g are 0.1-10; and
- x is the number of oxygens required to satisfy the valence requirements of the other elements present, said catalyst being free of antimony and chromium.
- 10. The catalyst of claim 9 wherein X is yttrium, zirconium or sulfur.
- 11. Catalyst of the formula:
- Ge.sub.a A.sub.b D.sub.c E.sub.d Fe.sub.f Bi.sub.g Mo.sub.12 O.sub.x
- A is an alkali metal or mixture thereof;
- D is nickel, cobalt, magnesium, calcium, strontium, zinc, cadmium or mixture thereof;
- E is phosphorus, arsenic, boron, tungsten, antimony or mixture thereof; and
- wherein
- a is greater than 0 and less than 5;
- b is greater than 0 but less than 4;
- c is 0.1-20;
- d is 0-4;
- f and g are 0.1-10; and
- x is the number of oxygens required to satisfy the valence requirements of the other elements present, said catalyst being free of antimony and chromium.
- 12. The catalyst of claim 11 wherein said catalyst contains germanium and cesium.
- 13. The catalyst of claim 12 wherein said catalyst further contains potassium.
- 14. Catalysts of the formula:
- y.sub.a A.sub.b D.sub.c E.sub.d Fe.sub.f Bi.sub.g Mo.sub.12 O.sub.x
- wherein X is Y, Zr, Ag, S, Ce, Th, Pr, Ru, Ga, La or mixtures thereof
- D is nickel, cobalt, magnesium, calcium, strontium, zinc, cadmium or mixture thereof;
- E is phosphorus, arsenic, boron, tungsten, antimony or mixture thereof with the proviso that when X is Ce, Pr or La, D is Mg, Ca, Si, Zn, Cd or mixtures thereof and the further proviso that when X is Ag, Ru or Ga, D is Sr; and
- wherein
- a is greater than 0 and less than 5;
- b is greater than 0 but less than 4;
- c is 0.1-20;
- d is 0-4;
- f and g are 0.1-10; and
- x is the number of oxygens required to satisfy the valence requirements of the other elements present.
- 15. The catalyst of claim 14 wherein X is yttrium, zirconium, silver, sulfur, cerium, praseodynium, ruthenium, gallium,,lanthanum or mixtures thereof.
- 16. Catalysts of the formula:
- In.sub.a A.sub.b Sr.sub.c E.sub.d Fe.sub.f Bi.sub.g Mo.sub.12 O.sub.x
- wherein
- A is an alkali metal or mixture thereof:
- E is phosphorus, arsenic, boron, tungsten, antimony or mixtures thereof and
- wherein
- a is greater than 0 and less than 5;
- b is greater than 0 and less than 4;
- c is 0.1 to 20;
- d is 0-4;
- f and g are 0.1-10; and
- x is the number of oxygens required to satisfy the valence requirements of the other elements present.
- 17. Catalyst of the formula
- X.sub.a A.sub.b D.sub.c E.sub.d Fe.sub.f Bi.sub.g Mo.sub.12 O.sub.x
- wherein
- A is an alkali metal, thallium or mixtures thereof;
- D is Ni, Co, Mg, Sr, Ca, Zn, Cd or mixtures thereof;
- E is P, As, B, Sb or mixtures thereof;
- X is Y, Zr, Ag, S, Ce, Th, Pr, Ru, Ga, Nb, Ge, Cr, Sn, Mn, In, Cu, W, Ta, Te, La or mixtures thereof; and
- wherein
- a is greater than 0 and less than 5;
- b and d are 0-4;
- c is 0.1 to 20;
- f and g are 0.1-10; and
- x is the number of oxygens required to satisfy the valence requirements of the other elements present; and
- wherein E and X are so selected that said catalyst contains a two or more element system selected from the group consisting of Mn+Sb, Mn+Cr, Pr+W or Mn+Ge.
- 18. The catalyst of claim 17 wherein said catalyst contains Mn+Sb.
- 19. The catalyst of claim 17 wherein said catalyst contains Mn+Cr.
- 20. The catalyst of claim 17 wherein said catalyst contains Pr+W.
- 21. The catalyst of claim 17 wherein said catalyst contains Mn+Ge.
CROSS REFERENCE TO RELATED APPLICATION
The present application is a continuation of Ser. No. 490,532 filed July 22, 1974 now abandoned.
US Referenced Citations (12)
Continuations (1)
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Number |
Date |
Country |
Parent |
490532 |
Jul 1974 |
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