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US 4,162,234 AGranted
Oxidation catalysts
AssigneeThe Standard Oil Company
InventorsRobert K. Grasselli, Dev D. Suresh, Harley F. Hardman
Life of this patent
Estimating the term…
Abstract
Catalysts containing iron, bismuth, molybdenum plus nickel, cobalt, magnesium, zinc, cadmium, strontium or calcium are promoted with yttrium, zirconium, silver, sulfur, cerium, thorium, praseodymium, ruthenium, gallium, niobium, germanium, chromium, tin, manganese, indium, copper, tellurium, lanthanum, tantalum, tungsten or mixture thereof to give extremely desirable catalysts for various oxidation reactions.
Claims21
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.
10 more elements
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.
10 more elements
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.
11 more elements
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.
10 more elements
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.
10 more elements
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.
9 more elements
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.
13 more elements
Dependencies are inferred from the claim text.