A Fe-BASED HYDROGENATION CATALYST AND USE THEREOF

Patent metadata

Field	Value
Publication number	US-2016158733-A1
Application number	US-201414905719-A
Country	US
Kind code	A1
Filing date	Jul 18, 2014
Priority date	Jul 18, 2013
Publication date	Jun 9, 2016
Grant date	—

Abstract

The present invention relates to a Fe-based hydrogenation catalyst having Fe as a primary active metal component, and zinc and potassium as a first co-active metal component. The molar ratio of the primary active metal component to the first co-active metal component is 0.5-200:1. The Fe-based hydrogenation catalyst in present invention overcomes the problem of limiting to the active metal components as used over decades for the conventional hydrogenation catalyst, and thus has long-term values for industrial application.

First claim

1 . A Fe-based hydrogenation catalyst comprising:
Fe as a primary active metal component; and zinc and potassium as a first co-active metal component, wherein, based on the total weight of the Fe-based hydrogenation catalyst, a total amount of the primary active metal component and co-active element components is 5-100%, with the balance being a binder or carrier, in terms of oxides, and wherein the co-active element components comprise the first co-active metal component, wherein the primary active metal component to the first co-active metal component has a molar ratio that is 0.5-200:1.

2 . The Fe-based hydrogenation catalyst according to claim 1 , wherein the molar ratio of the primary active metal component to the first co-active metal component is 0.8-20:1.

3 . The Fe-based hydrogenation catalyst according to claim 1 , wherein, based on the total weight of the Fe-based hydrogenation catalyst, the total amount of the primary active metal component and the co-active element components is 20-70%, with the balance being a binder or carrier, in terms of oxides.

4 . The Fe-based hydrogenation catalyst according to claim 3 , wherein based on the total weight of the Fe-based hydrogenation catalyst, the total amount of the primary active metal component and co-active element components is 20-50%, with the balance being a binder or carrier, in terms of oxides.

5 . The Fe-based hydrogenation catalyst according to claim 1 , further comprising a second co-active element component selected from Groups IVB, VA, VB, VIB and VIII elements,
wherein the molar ratio of the primary active metal component to the second co-active element component is 0.5-200:1; wherein, based on the total weight of the Fe-based hydrogenation catalyst, the total amount of the primary active metal component and co-active element components is 5-100%, with the balance being a binder or carrier, calculated by oxides; and wherein the co-active element components comprise the first co-active metal component and the second co-active element component.

6 . The Fe-based hydrogenation catalyst according to claim 5 , wherein the molar ratio of the primary active metal component to the second co-active element component is 5-100:1.

7 . The Fe-based hydrogenation catalyst according to claim 5 , wherein the Group IVB element includes titanium and zirconium, the Group VA element includes phosphorus, the Group VB element includes vanadium, the Group VIB element includes chromium, and the Group VIII element includes cobalt, nickel, palladium and platinum.

8 . The Fe-based hydrogenation catalyst according to claim 5 , wherein, based on the total weight of the Fe-based hydrogenation catalyst, the total amount of the primary active metal component and the co-active element components is 20-50%, with the balance being a binder or carrier, in terms of oxides.

9 . The Fe-based hydrogenation catalyst according to claim 1 , which is prepared by an impregnation process, a coprecipitation process or a tabletting process.

10 . The Fe-based hydrogenation catalyst according to claim 9 , wherein the impregnation process comprises steps of:
dissolving a salt of the primary active metal component and a salt of the first co-active metal component into deionized water to form an impregnation solution; adding the impregnation solution in a carrier to obtain a semi-finished catalyst product; and leaving the semi-finished catalyst product still in air for 2-24 hours, then baking it to dryness, and further calcinating it in air atmosphere at 200-800° C. for 2-8 h to obtain the Fe-based hydrogenation catalyst.

11 . The Fe-based hydrogenation catalyst according to claim 10 , further comprising a second co-active element component selected from Groups IVB, VA, VB, VIB and VIII elements, wherein the second co-active element component has a salt that is dissolved into deionized water together with the salt of the primary active metal component and the salt of the first co-active metal component.

12 . The Fe-based hydrogenation catalyst according to claim 10 , wherein the carrier includes one of pyrite, pyrrhotite, ferric oxide, ferroferric oxide, alumina, silica, amorphous aluminosilicate, and zeolite molecular sieve, or combination of more than one members thereof.

13 . The Fe-based hydrogenation catalyst according to claim 9 , wherein the coprecipitation process comprises steps of:
mixing uniformly an aqueous solution of a salt of the primary active metal component and a salt of the first co-active element component with an aqueous solution of a precipitant; subsequently stirring and reacting the mixture in a water bath at 40-95° C. for 1-24 hours, and then leaving the resultant still for aging in a water bath at 40-95° C. for 2-48 hours to obtain a precipitate; subjecting the precipitate to filtration, water-washing and baking to dryness, to obtain a catalyst precursor; calcinating the catalyst precursor in air atmosphere at 200-800° C. for 2-8 hours to obtain a metal oxide; and mixing the metal oxide and a binder, and subjecting the mixture to a molding process to obtain the Fe-based hydrogenation catalyst.

14 . The Fe-based hydrogenation catalyst according to claim 13 , further comprising a second co-active element component selected from Groups IVB, VA, VB, VIB and VIII elements, wherein the second co-active element component has a salt, together with the salt of the primary active metal component and the salt of the first co-active metal component, is mixed with the aqueous solution of the precipitant.

15 . The Fe-based hydrogenation catalyst according to claim 13 , wherein the binder includes one of alumina, silica sol, alumina sol and water glass, or combination of more than one members thereof.

16 . The Fe-based hydrogenation catalyst according to claim 13 , further comprising a second co-active element component selected from Groups IVB, VA, VB, VIB and VIII elements, wherein the precipitant includes one of NaOH, KOH, Na 2 CO 3 , K 2 CO 3 , Na 2 S, (NH 4 ) 2 S, urea and ammonia, or combination of more than one members thereof; and wherein the molar ratio of the precipitant to the primary active metal component, the first co-active metal component, the second co-active element component is 1-6:1.

17 . The Fe-based hydrogenation catalyst according to claim 10 , wherein the salt of the primary active metal component includes one of ferric nitrate, ferric sulfate, ferric chloride, and ferric phosphate, or combination of more than one members thereof; and the salt of the first co-active metal component includes one of nitrate, sulfate, chloride, and phosphate, or combination of more than one members thereof.

18 . The Fe-based hydrogenation catalyst according to claim 9 , wherein the tabletting process comprises steps of:
mixing uniformly a salt of the primary active metal component and a salt of the first co-active element component; baking the mixture to dryness, and further calcinating the resultant in air atmosphere at 200-800° C. for 2-8 h to obtain a powder of oxides of the Fe-based hydrogenation catalyst; and adding a small amount of water to the powder of oxides of the Fe-based hydrogenation catalyst, and placing the resultant into a tablet machine for tabletting, to obtain the Fe-based hydrogenation catalyst.

19 . The Fe-based hydrogenation catalyst according to claim 18 , further comprising a second co-active element component selected from Groups IVB, VA, VB, VIB and VIII elements, wherein the second co-active element component has a salt that is mixed uniformly

Assignees

• Univ China Petroleum

Inventors

• Shen Baojian
• Li Hao
• Wang Yandan
• Li Jiancong
• Li Lei
• Shen Bojun
• Shen Baohua
• Wang Wennian
• Yuan Delin
• Xu Honglian

Classifications

• B01J27/1853

  with iron, cobalt or nickel · CPC title

• B01J23/80 Primary

  with zinc, cadmium or mercury · CPC title

• B01J27/198

  Vanadium · CPC title

• C10G45/04

  characterised by the catalyst used · CPC title

• C10G45/46

  characterised by the catalyst used · CPC title