Method of preparing a hydrotreating catalyst on a support containing a rare earth metal
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01J-031/00
B01J-027/02
B01J-021/00
B01J-023/00
B01J-023/10
출원번호
UP-0238930
(2005-09-29)
등록번호
US-7538066
(2009-07-01)
발명자
/ 주소
Soled, Stuart L.
Miseo, Sabato
Baumgartner, Joseph E.
Kliewer, Christine E.
Elks, Jeffrey T.
출원인 / 주소
Exxonmobil Research and Engineering Company
인용정보
피인용 횟수 :
19인용 특허 :
5
초록▼
This invention relates to supported multi-metallic catalysts for use in the hydroprocessing of hydrocarbon feeds, as well as a method for preparing such catalysts. The catalysts are prepared from a catalyst precursor comprised of at least one Group VIII metal and a Group VI metal and an organic agen
This invention relates to supported multi-metallic catalysts for use in the hydroprocessing of hydrocarbon feeds, as well as a method for preparing such catalysts. The catalysts are prepared from a catalyst precursor comprised of at least one Group VIII metal and a Group VI metal and an organic agent selected from the group consisting of amino alcohols and amino acids.
대표청구항▼
What is claimed is: 1. A method for preparing a catalyst composition, which method comprises: (a) impregnating an inorganic catalyst support with an effective amount of a salt of a metal selected from the rare earth metals and yttrium; (b) drying said impregnated catalyst support to remove substant
What is claimed is: 1. A method for preparing a catalyst composition, which method comprises: (a) impregnating an inorganic catalyst support with an effective amount of a salt of a metal selected from the rare earth metals and yttrium; (b) drying said impregnated catalyst support to remove substantially all water; (c) calcining said dried impregnated catalyst support to produce a modified catalyst support; (d) impregnating said modified catalyst support with an aqueous solution having a pH of greater than 3.8 containing (i) a salt of a Group VIII metal selected from Co and Ni, (ii) a salt of a Group VI metal selected from Mo and W, and (iii) an effective amount of an organic agent selected from amino alcohols and amino acids; (e) drying said impregnated modified catalyst support to remove substantially all water, thereby resulting in a metal-organic on catalyst support precursor; (f) calcining said dried modified catalyst precursor at calcination temperatures and in an oxygen-containing atmosphere wherein at least a portion of the organic portion of the catalyst precursor is oxidized; (g) sulfiding said partially oxidized catalyst precursor at sulfiding conditions in the presence of a sulfiding agent, thereby resulting in a sulfided catalyst composition. 2. The method of claim 1 wherein substantially all of the organic portion of the catalyst precursor of step (f) is oxidized. 3. The method of claim 1 wherein the metal is yttrium. 4. The method of claim 1 wherein the Group VIII metal is Co. 5. The method of claim 4 wherein the Group VI metal is Mo. 6. The method of claim 1 wherein the organic agent is an amino alcohol. 7. The method of claim 6 wherein the amino alcohol is selected from the mon-, di-, and tri-, substituted aliphatic hydroxyalkylamines. 8. The method of claim 6 wherein the amino alcohol is selected from the group consisting of methanolamine, diniethanalamine, trimethanolamine, ethanolamine, di-ethanolamine, triethanolamine, butanolamine, dibutanolamine, tributanolamine, propanolamine, dipropanaolamine, tripropanolamine, N,N,-dialkyl-ethanolamines, N-alkyl-diethanolamines, N-alkyl-ethanolamines, N,N,-dialkyl-propanolamines, N-alkyl-dipropanolamines, N-alkyl-propanolamines, N,N,-dialkyl-propanolamines, N-alkyl-dipropanolamines, N-alkyl-propanolamines, N,N,-dialkyl-propanolamines, N-alkyl-dipropanolamines, N-alkyl-propanolamines, N,N,-dialkyl-butonolamines, N-alkcyl-dibutanolamines, N-alkyl-butanolamines, N,N,-dialkyl-butanolammines, N-alkyl-dibutanolamines, N-alkyl-butanolamines, N,N,-dialkyl-hexanolamines, N-alkyl-dibexanolamines, N-alkyl-hexanolamines, N,N,-dialkyl-hexanolamines, N-alkyl-dihexanolamines, N-alkyl-hexanolamines, N,N,-dialkyl-heptanolamines, N-alkyl-diheptanolamines, N-alkyl-heptanolamines, N,N,-dialkyl-heptanolamines, N-alkyl-diheptanolamines, N-alkyl-heptanolamines. 9. The method of claim 8 wherein the amino alcohol is triethanolamine. 10. The method of claim 8 wherein the N-alkyl group is a hydrocarbon or substituted hydrocarbon group containing from 1 to 50 carbon atoms. 11. The method of claim 10 wherein the hydrocarbon group is selected from the group consisting or methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, n-pentyl, isopentyl, n-hexyl, and isohexyl. 12. The method of claim 1 wherein the organic agent is an amino acid. 13. The method of claim 12 wherein the amino acid is selected from the group consisting of alanine, arginine, asparagines, aspartic acid, cysteine, cystine, 3,5-dibromotyrosine, 3,5, diiodotyrosine, glutamic acid, glutamine, glycine, histidine, hydroxylysine, hydroxyproline, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, thyroxine, tryptophane, tyrosine and valine. 14. The method or claim 13 wherein the amino acid is arginine. 15. The method of claim 1 wherein the sulfiding agent is a mixture of H2S and H2 and the sulfiding temperatures range from about 360° C. to about 400° C. 16. The method of claim 1 wherein said inorganic support is selected from the group consisting of silica, alumina, silica-alumina, titania, and zirconia. 17. The method of claim 16 wherein said inorganic support is selected from silica and alumina. 18. A method for preparing a catalyst composition, which method comprises: (a) impregnating an inorganic catalyst support with an effective amount of a salt of a metal selected from the rare earth metals and yttrium; (b) drying said impregnated catalyst support to remove substantially all water; (c) calcining said dried impregnated catalyst support to produce a modified catalyst support; (d) impregnating the modified catalyst support with an aqueous solution containing: (i) a first metal selected from the Group VIII metal selected from Co and Ni and a Group VI metal selected from Mo and W, and (ii) an effective amount of an organic agent selected from amino alcohols and amino acids, wherein the choice of said first metal from Group VIII and Group VI leaves the remaining choice as a second metal; (e) calcining said dried impregnated catalyst support to produce a modified catalyst support; (f) drying said impregnated rare earth modified catalyst support to remove substantially all water, thereby resulting in a substantially dried catalyst precursor comprised of a first metal-organic component on support; (g) impregnating said partially oxidized catalyst precursor with an aqueous solution having a pH of greater than 3.8 comprised of a salt of said second metal and an effective amount of an organic agent selected from the group consisting of amino alcohols and amino acids; (h) drying said impregnated catalyst precursor of step (g) to remove substantially all water, thereby leaving a partially oxidized catalyst precursor further containing a second metal-organic component; (i) calcining said dried catalyst precursor at calcination temperatures in the presence of an oxygen-containing atmosphere wherein at least a portion of the organic portion of the catalyst precursor is oxidized; (j) sulfiding said final partially oxidized catalyst precursor composition at effective sulfidation conditions in the presence of a sulfiding agent to produce a sulfided catalyst composition. 19. The method of claim 18 wherein substantially all of the organic portion of the catalyst precursor is oxidized in step (i). 20. The method of claim 18 wherein said rare earth metal is yttrium. 21. The method of claim 18 wherein the Group VIII metal is Co. 22. The method of claim 18 wherein the Group VI metal is Mo. 23. The method of claim 18 wherein the organic agent is an amino alcohol. 24. The method of claim 23 wherein the amino alcohol is selected from the group consisting of methanolamine, dimethanolamine, trimethanolamine, ethanolamine, diethanolamine, triethanolamine, butanolamine, dibutanolamine, tri-butanolamine, propanolamine, dipropanaolamine, tripropanolamine, N,N,-dialkyl-ethanolamines, N-alkyl-diethanolamines, N-alkyl-ethanolamines, N,N,-dialkyl-propanolamines, N-alkyl-dipropanolamines, N-alkyl-propanolamines, N,N,-dialkyl-propanolamines, N-alkyl-dipropanolamines, N-alkyl-propanolamines, N,N,-dialkyl-propanolamines, N-alkyl-dipropanolamines, N-alkyl-propanolamines, N,N,-dialkyl-butonolamines, N-alkyl-dibutanolamines, N-alkyl-butanolamines, N,N,-dialkyl-butanolamines, N-alkyl-dibutanolamines, N-alkyl-butanolamines, N,N,-dialkyl-hexanolamines, N-alkyl-dihexanolamines, N-alkyl-hexanolamines, N,N,-dialkyl-hexanolamines, N-alkyl-dihexanolamines, N-alkyl-hexanolamines, N,N,-dialkyl-heptanolamines, N-alkyl-diheptanolamines, N-alkyl-heptanolamines, N,N,-dialkyl-heptanolamines, N-alkyl-diheptanolamines, N-alkyl-heptanolamines. 25. The method of claim 24 wherein the amino alcohol is triethanolamine. 26. The method of claim 24 wherein the N-alkyl group is a hydrocarbon or substituted hydrocarbon group containing from 1 to 50 carbon atoms. 27. The method of claim 26 wherein the hydrocarbon group is selected from the group consisting of methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, n-pentyl, isopentyl, n-hexyl, and isohexyl. 28. The method of claim 18 wherein the organic agent is an amino acid. 29. The method of claim 28 wherein the amino acid is selected from the group consisting of alanine, arginine, asparagines, aspartic acid, cysteine, cystine, 3,5-dibromotyrosine, 3,5, diiodotyrosine, glutamic acid, glutamine, glycine, histidine, hydroxylysine, hydroxyproline, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, thyroxine, tryptophane, tyrosine and valine. 30. The method of claim 29 wherein the amino acid is arginine. 31. The method of claim 18 wherein the sulfiding agent is a mixture of H2S and H2 and the sulfiding temperatures range from about 360° C. to about 400° C. 32. The method of claim 18 wherein said inorganic support is selected from the group consisting of silica, alumina, silica-alumina, titania, and zirconia. 33. The method of claim 32 wherein said inorganic support is selected from silica and alumina.
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