Process for preparing hydrocracking catalyst

Patent metadata

Field	Value
Publication number	US-10864505-B2
Application number	US-201615780296-A
Country	US
Kind code	B2
Filing date	Dec 5, 2016
Priority date	Dec 3, 2015
Publication date	Dec 15, 2020
Grant date	Dec 15, 2020

Abstract

The invention relates to a process for preparing a hydrocracking catalyst, comprising (i) contacting a shaped body comprising a zeolite and a binder with an aqueous solution of a hydrogenation metal compound which is a complex or a salt of a hydrogenation metal to deposit the hydrogenation metal onto the shaped body, wherein the aqueous solution comprises an ammonium salt and (ii) calcining the shaped body obtained by step (i).

First claim

The invention claimed is:

1. A process for preparing a hydrocracking catalyst, comprising:
(i) contacting a shaped body comprising a zeolite and a binder with an aqueous solution of a hydrogenation metal compound which is a complex or a salt of a hydrogenation metal to deposit the hydrogenation metal onto the shaped body by ion exchange, wherein the aqueous solution comprises an ammonium salt; and
(ii) calcining the shaped body obtained by step (i),
wherein the amount of the hydrogenation metal is 0.015-0.095 wt %, with respect to the total catalyst.

2. The process according to claim 1 , wherein the hydrogenation metal is at least one element selected from Group 10 of the periodic table of elements or rhodium or iridium.

3. The process according to claim 1 , wherein the hydrogenation metal compound is a metal amine complex.

4. The process according to claim 1 , wherein the hydrogenation metal compound is free of chlorine.

5. The process according to claim 1 , wherein the ammonium salt is selected from the group consisting of NH 4 Cl, NH 4 NO 3 , (NH 4 ) 2 CO 3 and NH 4 HCO 3 .

6. The process according to claim 1 , wherein the ammonium salt is free of chlorine.

7. A process for preparing a hydrocracking catalyst, comprising:
(i) contacting a shaped body comprising a zeolite and a binder with an aqueous solution of a hydrogenation metal compound which is a complex or a salt of a hydrogenation metal to deposit the hydrogenation metal onto the shaped body, wherein the aqueous solution comprises an ammonium salt; and
(ii) calcining the shaped body obtained by step (i),
wherein the zeolite comprises ZSM-5, MCM-22, ZSM-11, beta zeolite, EU-1 zeolite, ferrierite, or mordenite, and
wherein the amount of the hydrogenation metal is 0.015-0.095 wt %, with respect to the total catalyst.

8. The process according to claim 1 , wherein the zeolite has a silica (SiO 2 ) to alumina (Al 2 O 3 ) molar ratio of 25-75.

9. A process for preparing a hydrocracking catalyst, comprising:
(i) contacting a shaped body comprising a zeolite and a binder with an aqueous solution of a hydrogenation metal compound which is a complex or a salt of a hydrogenation metal to deposit the hydrogenation metal onto the shaped body, wherein the aqueous solution comprises an ammonium salt; and
(ii) calcining the shaped body obtained by step (i),
wherein the amount of the hydrogenation metal is 0.015-0.095 wt %, with respect to the total catalyst.

10. The process according to claim 1 , wherein the shaped body is an extrudate having an average diameter of 0.1-3 mm.

11. The process according to claim 3 , wherein the hydrogenation metal compound is selected from the group consisting of (NH 3 ) 4 Pt(NO 3 ) 2 , (NH 3 ) 4 Pt(OH) 2 and (NH 3 ) 4 PtCl 2 .

12. The process according to claim 1 , wherein the hydrogenation metal compound is selected from the group consisting of (NH 3 ) 4 Pt(NO 3 ) 2 and (NH 3 ) 4 Pt(OH) 2 .

13. The process according to claim 1 , wherein the ammonium salt is (NH 4 ) 2 CO 3 .

14. The process according to claim 1 , wherein the ammonium salt is selected from the group consisting of NH 4 NO 3 , (NH 4 ) 2 CO 3 and NH 4 HCO 3 .

15. The process according to claim 1 ,
wherein the hydrogenation metal compound is selected from the group consisting of (NH 3 ) 4 Pt(NO 3 ) 2 and (NH 3 ) 4 Pt(OH) 2 ;
and
wherein the ammonium salt is selected from the group consisting of NH 4 NO 3 , (NH 4 ) 2 CO 3 and NH 4 HCO 3 .

16. The process according to claim 15 ,
wherein the amount of the hydrogenation metal is 0.035-0.080 wt %, with respect to the total catalyst; and
wherein the zeolite has a silica (SiO 2 ) to alumina (Al 2 O 3 ) molar ratio of 35-60.

17. The process according to claim 1 , wherein the shaped body is contacted with the aqueous solution and subsequently washed and dried to deposit the hydrogenation metal onto the shaped body by ion exchange.

18. The process according to claim 1 , wherein the ion exchange comprises stirring.

19. The process according to claim 1 , wherein a molar amount of ammonium/the hydrogenation metal in the aqueous solution is greater than or equal to about 100.

20. The process according to claim 1 , wherein a molar amount of ammonium/the hydrogenation metal in the aqueous solution is in a range of 100 to 3000.

Assignees

• Sabic Global Technologies Bv

Inventors

• Khanmamedova Alla
• Ghosh Ashim Kumar
• Stevenson Scott
• Sullivan David
• Bajaj Pooja

Classifications

• B01J2235/00

  Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties · CPC title

• B01J2235/30

  Scanning electron microscopy; Transmission electron microscopy · CPC title

• B01J35/40

  characterised by dimensions, e.g. grain size (in a colloidal state B01J35/23; crystallite size B01J35/77) · CPC title

• B01J29/068

  Noble metals · CPC title

• C10G45/64

  containing crystalline alumino-silicates, e.g. molecular sieves · CPC title