The present disclosures and inventions relate to a catalyst composition for the selective conversion of a hydrogen/carbon monoxide mixture (syngas) to C.sub.1-C.sub.5 hydrocarbons, wherein the catalyst composition, which can be optionally dispersed on a support material, has the formula CO.sub.aMO.sub.bS.sub.cM.sub.dO.sub.f, wherein a is 1; wherein b is from 0.8 to 1.2; wherein c is from 1 to 2; wherein M comprises Zn, Ti, Zr, or Ni, or a mixture thereof, wherein d is from 0.000001 to 0.2; and wherein f is a number determined by the valence requirements of the other elements present in the catalyst.

Provided are a catalyst whereby isobutylene can be produced at high yield in a lower-temperature environment, and a method for producing isobutylene using the catalyst. The catalyst for producing isobutylene is an oxide including at least one element selected from molybdenum and tungsten, and at least one element selected from tantalum, niobium, and titanium.

Provided are a catalyst whereby isobutylene can be produced at high yield in a lower-temperature environment, and a method for producing isobutylene using the catalyst. The catalyst for producing isobutylene is an oxide including at least one element selected from molybdenum and tungsten, and at least one element selected from tantalum, niobium, and titanium.

A mixed metal oxide catalyst for selective hydrogenation of dienes comprising a Group VIII metal, a trivalent metal, a Group IA metal, a Group IVB metal, a Group IIB metal, two Group VIB metals and SiO.sub.2Al.sub.2O.sub.3 as balance. The catalyst comprises 10-40 wt % of Group VIII metal, 5-30 wt % of trivalent metal, 0.1-8 wt % of Group IA metal, 0.1-8 wt % of Group IVB metal, 0.1-30 wt % of Group IIB metal, 5-50 wt % of two Group VIB metals and 10-30 wt % of SiO.sub.2Al.sub.2O.sub.3, based on the catalyst in terms of oxide, and has 150-300 m.sup.2/g of specific surface area, 0.4-0.8 ml/g of pore volume.

A mixed metal oxide catalyst for selective hydrogenation of dienes comprising a Group VIII metal, a trivalent metal, a Group IA metal, a Group IVB metal, a Group IIB metal, two Group VIB metals and SiO.sub.2Al.sub.2O.sub.3 as balance. The catalyst comprises 10-40 wt % of Group VIII metal, 5-30 wt % of trivalent metal, 0.1-8 wt % of Group IA metal, 0.1-8 wt % of Group IVB metal, 0.1-30 wt % of Group IIB metal, 5-50 wt % of two Group VIB metals and 10-30 wt % of SiO.sub.2Al.sub.2O.sub.3, based on the catalyst in terms of oxide, and has 150-300 m.sup.2/g of specific surface area, 0.4-0.8 ml/g of pore volume.

This document relates to oxidative dehydrogenation catalyst materials that include molybdenum, vanadium, beryllium, oxygen, and optionally aluminum.

This document relates to oxidative dehydrogenation catalyst materials that include molybdenum, vanadium, beryllium, oxygen, and optionally aluminum.

An ammoxidation catalyst includes a metal oxide represented by Chemical Formula 1 supported on a silica carrier, wherein the catalyst has pores having a diameter of 5 to 200 nm, a pore volume of 0.1 to 3.0 cm.sup.3/g, and a BET surface area of 50 m2/g to 1,000 m2/g:
Mo.sub.12Bi.sub.aFe.sub.bA.sub.cB.sub.dC.sub.eO.sub.xChemical Formula 1 wherein in Chemical Formula 1, A is one or more elements of Ni, Mn, Co, Zn, Mg, Ca, and Ba, B is one or more elements of Li, Na, K, Rb, and Cs, C is one or more elements of Cr, W, B, Al, Ca, and V, and a to e, and x are respectively fractions of each atom or atomic group, wherein a is 0.1 to 5, b is 0.1 to 5, c is 0.1 to 10, d is 0.1 to 2, e is 0 to 10, and x is 24 to 48.

An ammoxidation catalyst includes a metal oxide represented by Chemical Formula 1 supported on a silica carrier, wherein the catalyst has pores having a diameter of 5 to 200 nm, a pore volume of 0.1 to 3.0 cm.sup.3/g, and a BET surface area of 50 m2/g to 1,000 m2/g:
Mo.sub.12Bi.sub.aFe.sub.bA.sub.cB.sub.dC.sub.eO.sub.xChemical Formula 1 wherein in Chemical Formula 1, A is one or more elements of Ni, Mn, Co, Zn, Mg, Ca, and Ba, B is one or more elements of Li, Na, K, Rb, and Cs, C is one or more elements of Cr, W, B, Al, Ca, and V, and a to e, and x are respectively fractions of each atom or atomic group, wherein a is 0.1 to 5, b is 0.1 to 5, c is 0.1 to 10, d is 0.1 to 2, e is 0 to 10, and x is 24 to 48.

An ammoxidation catalyst includes a metal oxide represented by Chemical Formula 1, wherein a first peak having intensity of A appears in the 2 range of 26.3=0.5, and a second peak having intensity of B appears in the 2 range of 28.30.5 in X ray diffraction analysis by CuK, and an intensity ratio (A/B) of the first peak to the second peak is 1.5 or more:
Mo.sub.xBi.sub.aFe.sub.bA.sub.cB.sub.dC.sub.eD.sub.fO.sub.yChemical Formula 1 wherein in Chemical Formula 1, A and B are different from each other, and each independently, are one or more elements of Ni, Mn, Co, Zn, Mg, Ca, and Ba, C is one or more elements of Li, Na, K, Rb, and Cs, D is one or more elements of Cr, W, B, Al, Ca, and V, a to f, x, and y are respectively mole fractions of each atom or atomic group, a is 0.1 to 7, b is 0.1 to 7, provided that the sum of a and b is 0.1 to 7, c is 0.1 to 10, d is 0.01 to 5, e is 0.1 to 10, f is 0 to 10, x is 11 to 14, y is a value determined by each oxidation number of Mo, Bi, Fe, A, B, C, and D.