Patent ID: 11891357
Assignee: NOVA CHEMICALS (INTERNATIONAL) S.A.
Field: Chemical engineering (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 2:
3. The chemical complex of claim 2 wherein the oxidative dehydrogenation catalyst comprises a mixed metal oxide chosen from:
i) catalysts of the formula:

MoaVbTecNbaPdeOf, wherein a, b, c, d, e and f are the relative atomic amounts of the elements Mo, V, Te, Nb, Pd and O, respectively; and when a=1, b=0.01 to 1.0, c=0.01 to 1.0, d=0.01 to 1.0, 0.00≤e≤0.10 and f is a number to satisfy the valence state of the catalyst;
ii) catalysts of the formula:

NigAhBiDjOf, wherein: g is a number from 0.1 to 0.9, in some cases from 0.3 to 0.9, in other cases from 0.5 to 0.85, in some instances 0.6 to 0.8; h is a number from 0.04 to 0.9; i is a number from 0 to 0.5; j is a number from 0 to 0.5; and f is a number to satisfy the valence state of the catalyst; A is chosen from Ti, Ta, V, Nb, Hf, W, Y, Zn, Zr, Si and Al or mixtures thereof; B is chosen from La, Ce, Pr, Nd, Sm, Sb, Sn, Bi, Pb, Tl, In, Te, Cr, Mn, Mo, Fe, Co, Cu, Ru, Rh, Pd, Pt, Ag, Cd, Os, Ir, Au, Hg, and mixtures thereof; D is chosen from Ca, K, Mg, Li, Na, Sr, Ba, Cs, and Rb and mixtures thereof; and O is oxygen;
iii) catalysts of the formula:

MOaEkGlOf, wherein: E is chosen from Ba, Ca, Cr, Mn, Nb, Ta, Ti, Te, V, W and mixtures thereof; G is chosen from Bi, Ce, Co, Cu, Fe, K, Mg, V, Ni, P, Pb, Sb, Si, Sn, Ti, U, and mixtures thereof; a=1; k is 0 to 2; 1=0 to 2, with the proviso that the total value of 1 for Co, Ni, Fe and mixtures thereof is less than 0.5; and f is a number to satisfy the valence state of the catalyst;
iv) catalysts of the formula:

VmMonNboTepMegOf, wherein: Me is a metal chosen from Ta, Ti, W, Hf, Zr, Sb and mixtures thereof; m is from 0.1 to 3; n is from 0.5 to 1.5; o is from 0.001 to 3; p is from 0.001 to 5; q is from 0 to 2; and f is a number to satisfy the valence state of the catalyst; and
v) catalysts of the formula:

MOaVrXsYtZuMvOf, wherein: X is at least one of Nb and Ta; Y is at least one of Sb and Ni; Z is at least one of Te, Ga, Pd, W, Bi and Al; M is at least one of Fe, Co, Cu, Cr, Ti, Ce, Zr, Mn, Pb, Mg, Sn, Pt, Si, La, K, Ag and In; a=1.0 (normalized); r=0.05 to 1.0; s=0.001 to 1.0; t=0.001 to 1.0; u=0.001 to 0.5; v=0.001 to 0.3; and f is a number to satisfy the valence state of the catalyst;
vi) a mixed metal oxide having the empirical formula:

Mo6.5-7.0V3Od, where d is a number to satisfy the valence of the oxide and
vii) a mixed metal oxide having the empirical formula:

Mo6.25-7.25V3Od, where d is a number to satisfy the valence of the oxide.