Process for making lube base stocks from renewable feeds

Patent metadata

Field	Value
Publication number	US-9422206-B2
Application number	US-201314096322-A
Country	US
Kind code	B2
Filing date	Dec 4, 2013
Priority date	Dec 18, 2012
Publication date	Aug 23, 2016
Grant date	Aug 23, 2016

Abstract

Provided are processes for making hydrocarbons from renewable feed sources. In an embodiment, there is provided a method for producing a lube basestock including: contacting a compound of Formula (I) and a feedstock of biological origin with a catalyst component including a basic material:

wherein R 1 is selected from acyclic hydrocarbyl, cyclic hydrocarbyl, and aryl, wherein R 1 has one or more optional substitutions selected from the group consisting of —R a , —OR a , —C(O)R a , and —C(O)OR a , wherein R a is H or C 1 -C 6 alkyl group; and n is 1, 2, 3, 4 or 5; and hydrogenating a ketone to a hydrocarbon with a catalyst including a hydrogenation catalyst and a hydrothermally stable binder.

First claim

What is claimed is:

1. A method for producing a lube basestock, the method comprising:
contacting a compound of Formula (I) and a feedstock of biological origin to form a ketone in the presence of a first catalyst comprising a basic material:

wherein R 1 is selected from the group consisting of cyclic hydrocarbyl and aryl, wherein R 1 has one or more optional substitutions selected from the group consisting of —R a —OR a , —C(O)R a , and —C(O)OR a , wherein R a is H or C 1 -C 6 alkyl group, and n is 3, 4 or 5; and
hydrogenating the ketone to a hydrocarbon in the presence of water and a second catalyst comprising a hydrogenation catalyst and a hydrothermally stable binder, wherein the hydrocarbon is a lube basestock.

2. The method according to claim 1 , wherein the hydrothermally stable binder comprises TiO 2 , ZrO 2 or CeO 2 .

3. The method according to claim 1 , further comprising hydroisomerizing the hydrocarbon formed by hydrogenating the ketone.

4. The method according to claim 1 , wherein n is 3.

5. The method according to claim 1 , wherein the feedstock of biological origin comprises one or more components selected from the group consisting of fatty acid, fatty acid ester, fatty alcohol, fatty olefin, mono-glyceride, di-glyceride, tri-glyceride, phospholipid and saccharolipid.

6. The method according to claim 5 , wherein the feedstock of biological origin is selected from the group consisting of rapeseed oil, soy bean oil, palm oil, camelina oil, jatropha oil, jojoba oil, fish oil, lard, beef tallow, and algae oil.

7. The method according to claim 1 , comprising providing the feedstock of biological origin as a solution in a hydrocarbon solvent.

8. The method according to claim 1 , wherein R 1 is phenyl or naphthalenyl and n is 3.

9. The method according to claim 1 , wherein the feedstock of biological origin comprises stearic acid or tristearin.

10. The method according to claim 1 , wherein the first catalyst is selected from the group consisting of basic clay, alkali impregnated support, basic metal oxide, and a mixture thereof.

11. The method according to claim 10 , wherein the first catalyst comprises a basic metal oxide selected from the group consisting of hydrotalcite, MgO, CaO, BaO, ZnO, MnO 2 , K 2 CO 3 supported on SiO 2 , K 2 CO 3 supported on ZrO 2 , and K 2 CO 3 supported on TiO 2 .

12. The method according to claim 10 , wherein the first catalyst comprises a basic metal oxide selected from the group consisting of La 2 O 3 , CeO 2 , Y 2 O 3 , Sm 2 O 3 , Pr 2 O 3 , La 2 O 3 /ZrO 2 , ZnO/La 2 O 3 , Y 2 O 3 /ZrO 2 , CeO 2 /ZrO 2 , and La 2 O 3 /SiO 2 .

13. The method according to claim 1 , wherein the hydrogenation catalyst comprises a metal hydrogenation component selected from the group consisting of Ni, Co, Pd, Pt, Ru, Rh, Co—Mo, Ni—Mo, Ni—W, and Co—W, and wherein the metal hydrogenation component is supported on an inorganic support selected from the group consisting of silica, alumina, titania, zirconia, zeolite, carbon, and gamma-alumina.

14. The method according to claim 13 , wherein the hydrogenation catalyst is Pt supported on a support selected from the group consisting of zeolite of the faujasite, beta, or MWW family, 10-ring zeolite, and 8-ring zeolite.

15. The method according to claim 13 , wherein the hydrogenation catalyst is selected from the group consisting of Ni or Pd supported on silica or carbon; Co—Mo or Co—W supported on gamma-alumina; and Ni—Mo or Ni—W on gamma-alumina.

16. The method according to claim 1 , wherein the method is carried out at a temperature of from 275 to 400° C., a pressure of from 300 to 700 psig, and a liquid hourly space velocity of from 0.1 to 10 v/v/h under static or flowing gas comprising N 2 or H 2 .

17. The method according to claim 1 , wherein the basic material comprises La 2 O 3 /ZrO 2 , La 2 O 3 /ZnO, Y 2 O 3 /ZrO 2 , or a combination thereof
wherein the hydrogenation catalyst is Pt supported on ZSM-48 or Pt supported on ZSM-48/NiWO x ,
wherein the hydrothermally stable binder comprises TiO 2 , ZrO 2 or a mixture thereof, and
wherein the method is carried out at a temperature of from 300 to 400° C. under H 2 partial pressure of from 500 to 800 psig.

18. A method for producing a lube basestock, the method comprising:
coupling a compound of Formula (I) and a compound of Formula (II) in the presence of a first catalyst component comprising a basic material to produce a ketone of Formula (III):

wherein each of R 1 and R 2 is independently selected from the group consisting of acyclic hydrocarbyl, cyclic hydrocarbyl, and aryl, wherein each of R 1 and R 2 independently has one or more optional substitutions selected from the group consisting of —R a , —OR a , —C(O)R a , and —C(O)OR a , wherein R a is H or C 1 -C 6 alkyl group, and n is 3, 4 or 5; and
hydrogenating the ketone of Formula (II) to a hydrocarbon with a second catalyst comprising a hydrogenation catalyst and a hydrothermally stable binder wherein the hydrocarbon is a lube basestock.

19. The method according to claim 18 , wherein the hydrothermally stable binder comprises TiO 2 , ZrO 2 or CeO 2 .

20. The method according to claim 18 , wherein R 1 is phenyl or naphthalenyl and n is 3.

21. The method according to claim 18 , wherein the compound of Formula (I) is selected from the group consisting of 1,2,3-propanetricarboxylic acid and citric acid; the compound of Formula (II) is a saturated or unsaturated C 10 -C 22 fatty acid; and the first catalyst comprises MgO or hydrotalcite.

22. The method according to claim 21 , wherein the compound of Formula (II) is selected from the group consisting of capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, oleic acid, linoleic acid, arachidic acid, and behenic acid.

23. The method according to claim 18 , wherein the first catalyst comprises a basic material selected from the group consisting of hydrotalcites; a basic metal oxide comprising MgO, CaO, BaO, ZnO, MnO 2 , K 2 CO 3 supported on SiO 2 K 2 CO 3 supported on ZrO 2 , or a combination thereof; K 2 CO 3 supported on TiO 2 ; and a mixed rare earth metal oxide comprising La 2 O 3 , CeO 2 , Y 1 O 3 , Sm 2 O 3 , Pr 2 O 3 , La 2 O 3 /ZrO 2 , ZnO/La 2 O 3 , Y 2 O 3 /ZrO 2 , CeO 2 /ZrO 2 , La 2 O 3 /SiO 2 , or a combination thereof.

24. The method according to claim 18 , wherein the second catalyst comprises a metal hydrogenation component selected from the group consisting of Ni, Co, Pd, Pt, Ru, Rh, Co—Mo, Ni—Mo, Ni—W, and Co—W, and wherein the metal hydrogenation component is supported on zeolite selected from the group consisting of ZSM-22, ZSM-12, ZSM-23, ZSM-4, ZSM-48 and ZSM-50.

25. The method according to claim 18 , wherein the method is carried out at a temperature of from 275 to 400° C., a pressure of from 300 to 700 psig, and a liquid hourly space velocity of from 0.1 to 10 v/v/h under static or flowing gas comprising N 2 or H 2 .

26. A method for producing a lube basestock, the method comprising:
contacting a compound of Formula (I) and the feedstock of biological origin in the presence of a first catalyst comprising a basic material and a second catalyst comprising a hydrogenation catalyst and a hyd

Assignees

• Exxonmobil Res & Eng Co

Inventors

• Wang Kun
• Partridge Randall D
• Gupta Himanshu

Classifications

• C10G2300/1011

  Biomass · CPC title

• Y02P30/20

  using bio-feedstock · CPC title

• C07C1/22 Primary

  by reduction · CPC title

• C10M105/02

  Well-defined hydrocarbons (petroleum fractions C10M101/02) · CPC title

• C10G3/46

  in combination with chromium, molybdenum, tungsten metals or compounds thereof · CPC title