Composition comprising a metal hydroxy salt, its preparation and use as catalyst or sorbent
View Patent ↗A Composition comprising one or more metal hydroxy salts and a matrix, binder or carrier material, wherein the metal hydroxy salt is a compound comprising (a) as metal either (i) one or more divalent metals, at least one of them being selected from the group consisting of Ni, Co, Ca, Zn, Mg, Fe, and Mn, or (ii) one or more trivalent metal(s), (b) framework hydroxide, and (c) a replaceable anion. This composition has various catalytic applications.
1. A composition comprising one or more metal hydroxy salts and a matrix, binder or carrier material, wherein the metal hydroxy salt is a compound comprising (a) as the metal either (i) one or more divalent metals, at least one of them being selected from the group consisting of Ni, Co, Ca, Zn, Mg, Fe, and Mn, or (ii) one or more trivalent metal(s), (b) a framework hydroxide, and (c) a replaceable anion.
2. The composition of claim 1 comprising 2-98 wt % of metal hydroxy salt, based on the total weight of the composition.
3. The composition of claim 1 wherein at least one of the metal hydroxy salts comprises divalent metal.
4. The composition of claim 3 wherein the metal hydroxy salt contains one divalent metal selected from the group consisting of Ni, Co, Ca, Zn, Mg, Fe, and Mn.
5. The composition of claim 3 wherein the metal hydroxy salt contains at least two different types of divalent metals.
6. The composition of claim 5 wherein the metal hydroxy salt is selected from the group consisting of Zn—Cu MHS, Zn—Ni MHS, Zn—Co MHS, Fe—Co MHS Fe—Mg MHS, Zn—Mn MHS, Zn—Fe MHS, Ni—Cu MHS, Cu—Co MHS, Cu—Mg MHS, Cu—Mn MHS, Fe—Co MHS, Ni—Co MHS, Zn—Fe—Co MHS, Mg—Fe—Co MHS, and Ni—Cu—Co MHS.
7. The composition of claim 1 wherein at least one of the metal hydroxy salts contains trivalent metal.
8. The composition of claim 7 wherein the trivalent metal is La.
9. The composition of claim 1 wherein the matrix, binder or carrier material is selected from the group consisting of alumina, silica, silica-alumina, silica-magnesia, alumina-titania, clay, titania, zirconia, and aluminum phosphate.
10. The composition of claim 1 additionally comprising a molecular sieve.
11. A process selected from the group consisting of fluid catalytic cracking, Fischer-Tropsch synthesis, hydroprocessing, hydrocracking, alkylation, isomerization, hydrogenation, oxidation, and NOx removal, using the composition of claim 1 as a catalyst or sorbent.
12. The process of claim 11 wherein the catalyst or sorbent is in a calcined form.