JP2018134635A - チタニアを含有する改良された残油水素化処理触媒 - Google Patents
チタニアを含有する改良された残油水素化処理触媒 Download PDFInfo
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- JP2018134635A JP2018134635A JP2018038318A JP2018038318A JP2018134635A JP 2018134635 A JP2018134635 A JP 2018134635A JP 2018038318 A JP2018038318 A JP 2018038318A JP 2018038318 A JP2018038318 A JP 2018038318A JP 2018134635 A JP2018134635 A JP 2018134635A
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- Prior art keywords
- catalyst
- titania
- pore volume
- support
- titania alumina
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 239000003054 catalyst Substances 0.000 title claims abstract description 120
- 239000011148 porous material Substances 0.000 claims abstract description 109
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 36
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 24
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 24
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 23
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 23
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 20
- 239000011593 sulfur Substances 0.000 claims abstract description 20
- 239000011574 phosphorus Substances 0.000 claims abstract description 19
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 150000002739 metals Chemical class 0.000 claims abstract description 15
- 150000002736 metal compounds Chemical class 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 238000002459 porosimetry Methods 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 230000000737 periodic effect Effects 0.000 claims description 8
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 7
- 229910052753 mercury Inorganic materials 0.000 claims description 7
- 229910000349 titanium oxysulfate Inorganic materials 0.000 claims description 7
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 4
- 229910001388 sodium aluminate Inorganic materials 0.000 claims description 4
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000012018 catalyst precursor Substances 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 22
- 239000000243 solution Substances 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 16
- 239000003921 oil Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 229910052750 molybdenum Inorganic materials 0.000 description 13
- 229910052759 nickel Inorganic materials 0.000 description 12
- 239000002243 precursor Substances 0.000 description 12
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- 238000009826 distribution Methods 0.000 description 10
- 239000011733 molybdenum Substances 0.000 description 10
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- 229910052719 titanium Inorganic materials 0.000 description 9
- 238000005470 impregnation Methods 0.000 description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 7
- 229910017604 nitric acid Inorganic materials 0.000 description 7
- 238000005273 aeration Methods 0.000 description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- 229910000008 nickel(II) carbonate Inorganic materials 0.000 description 4
- ZULUUIKRFGGGTL-UHFFFAOYSA-L nickel(ii) carbonate Chemical compound [Ni+2].[O-]C([O-])=O ZULUUIKRFGGGTL-UHFFFAOYSA-L 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000007324 demetalation reaction Methods 0.000 description 3
- 238000004231 fluid catalytic cracking Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- WQOXQRCZOLPYPM-UHFFFAOYSA-N dimethyl disulfide Chemical compound CSSC WQOXQRCZOLPYPM-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- MFUVDXOKPBAHMC-UHFFFAOYSA-N magnesium;dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MFUVDXOKPBAHMC-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- -1 phosphorus compound Chemical class 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- 241000243320 Hydrozoa Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- QGAVSDVURUSLQK-UHFFFAOYSA-N ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 1
- 235000018660 ammonium molybdate Nutrition 0.000 description 1
- 239000011609 ammonium molybdate Substances 0.000 description 1
- 229940010552 ammonium molybdate Drugs 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- AOPCKOPZYFFEDA-UHFFFAOYSA-N nickel(2+);dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O AOPCKOPZYFFEDA-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Classifications
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/755—Nickel
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- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/883—Molybdenum and nickel
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
- B01J27/19—Molybdenum
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- B01J35/61—Surface area
- B01J35/615—100-500 m2/g
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
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- B01J37/0027—Powdering
- B01J37/0045—Drying a slurry, e.g. spray drying
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Abstract
Description
本出願は2012年6月20日に出願された「チタニアを含有する改良された残油水素化処理触媒(IMPROVED RESID HYDROTREATING CATALYST CONTAINING TITANIA)」という表題の米国特許仮出願第61/662,003号の出願日の利益を主張し、この開示は引用により本明細書に編入する。
本発明は、残油(residumm)供給流の接触水素化処理に関する。特に本発明は改良された触媒担体の調製法、担体を使用して調製された改良された水素化脱硫化触媒、および炭化水素原料油を水素化脱硫すると同時に、前記触媒を使用して処理した原料油の残留微小炭素分(microcarbon residue content)を下げる方法に関する。
炭化水素原料油は、一般に燃料として燃やされる。このような炭化水素原料油が硫黄を含む場合、原料油の燃焼により酸化硫黄ガスの状態で大気汚染を生じる。石油精製産業では、留分の硫黄含量を下げるために、水素化処理により重油および残油のような硫黄含有油および留分の品質を上げることが望まれることが多い。
水素化脱硫法と比較した場合に、水素化処理工程中の炭化水素原料油、特に残油原料油の水素化脱硫法に改良された触媒を提供することが予期せずに見出されたことに基づく。
本発明は一般に、共沈チタニアアルミナ担体上に担持された周期表の第6、9および10族の金属の触媒的に活性な金属、または前駆体金属化合物、および任意にリン化合物から構成される触媒組成物を提供する。本発明の一つの態様では、本発明の触媒を調製するために使用される担体材料は、チタニアアルミナ組成物の総重量に基づき5重量%以下のチタニアを含有するチタニアアルミナを含んでなる。本発明の別の態様では、この担持材料は、チタニアアルミナ組成物の総重量に基づき5重量%未満のチタニアを含んでなる。本発明のさらに別の態様では、担体材料はチタニアアルミナ組成物の総重量に基づき約0.3〜約4.5重量%のチタニアを含んでなる。
0重量%の共沈チタニアアルミナを含んでなる。好ましくは、担体材料は少なくとも95重量%、最も好ましくは99重量%より高いチタニアアルミナを含んでなり、該重量パーセントは担体の総重量パーセントに基づいている。このように担体材料は本明細書に記載する共沈チタニアアルミナから「本質的になる」ことができる。担持材料の組成に関して、本明細書で使用するような「本質的になる」という句は、他の成分が最終的な水素変換触媒組成物の触媒的特性に実質的効果または影響を及ぼさなければ、担持材料が共沈チタニアアルミナおよび他の成分を含んでもよいことを示すために本明細書で使用する。
〜約280m2/gの範囲である。
とができ、ここで触媒組成物と、該残油含有の原料油および水素を含む遊離ガスとの完全な接触が達成されて、硫黄のレベルが低減した炭化水素含有留分を生成する。本発明の好適な態様では、水素化処理法が固定触媒床を使用して行われる。水素化処理法はバッチ法として、または1もしくは複数の固定触媒床、または複数の固定床反応槽を平行または連続して使用した連続法として行うことができる。
:油(または残油炭化水素原料油)比、および約0.2から約2.0の間の空間速度(hr−1)を含む。本発明の一つの態様では、炭化水素原料油の脱硫法に関する操作条件に
は、約371℃〜約388℃の反応ゾーン温度、約138〜約158バールの水素圧、および1リットルの供給油あたり約880〜約900ノルマルリットルの水素供給比を含む。
硫酸アルミニウム溶液、硫酸チタニル溶液および水を混合して、3.4%のアルミニウムおよび0.45%のチタニウムを含有する50ガロンの溶液を形成した。この硫酸アルミニウムおよびチタニル溶液を、165ガロンの水を底に含むストライクタンクに63℃で加えた。同時に12%のアルミニウムを含むアルミン酸ナトリウム水溶液をストライクタンクに加えてスラリーのpHを8.4に維持した。全ての硫酸アルミニウムおよび硫酸チタニル溶液を加えた後、アルミン酸ナトリウム溶液を流し続けてスラリーのpHを9.2とした。
実施例1で得たチタニアアルミナ(5000g)を52gの濃硝酸(70%)および5107gの水と湿潤ミックス(wet mix)に85分間混合した。次いでこの湿潤ミックスは、4インチの押出し機を使用して押出して非対称のクアドリローブ形押出し物にした(称呼直径0.05”)。この押出し物を120℃で一晩乾燥した後、650℃で1
時間、8リットル/分の通気でか焼した。
4cc/g;70から130Åの間の直径を有する孔内の細孔容積は、総細孔容積の79%であった;300Åより上の直径を有する孔内の細孔容積は、総細孔容積の1.2%であった;そして1000Åより上の直径を有する孔内の細孔容積は、総細孔容積の0.52%であった。か焼したチタニアアルミナ担体は3.5重量%のチタニアを含んだ。
実施例2で調製したチタニアアルミナ触媒担体は、11.4%のMo、3.1%のNiおよび0.3%のPを含有する金属水溶液に含浸した。この水溶液は三酸化モリブデン、炭酸ニッケルおよびリン酸を使用して水中で調製した。湿潤押出し物をマッフルトレイに移し、そして穿孔アルミニウムホイルで覆った。このマッフルトレイを120℃のオーブンに一晩、置いた。
実施例2に記載したように調製したチタニアアルミナ触媒担体は、11.8%のMo、3.2%のNiおよび2.6%のPを含有する金属水溶液に含浸した。この溶液は三酸化モリブデン、炭酸ニッケルおよびリン酸から調製した。湿潤押出し物をマッフルトレイに移し、そして穿孔アルミニウムホイルで覆った。このマッフルトレイを120℃のオーブンに一晩、置いた。
ストライクタンクが234ガロンの水を底に含んだことを除いて、チタニアアルミナ粉末を実施例1に記載したように調製した。最終的にチタニアアルミナ粉末は、100gのチタニアアルミナあたり4.1gのチタニアを含んだ。チタニアアルミナ担体は、5000gの粉末を136gの濃硝酸および5275gの水とわずか60分間混合した後、押出し、乾燥し、そしてか焼したことを除いて実施例2に記載したように調製した。
4cc/g;70から130Åの間の直径を有する孔内の細孔容積は、総細孔容積の71%であった;300Åより上の直径を有する孔内の細孔容積は、総細孔容積の1.78%であった;そして1000Åより上の直径を有する孔内の細孔容積は、総細孔容積の0.73%であった。
アルミナ粉末は、硫酸アルミニウム溶液を水のみと混合して硫酸チタニルとは混合しなかったことを除いて実施例1に記載したように沈殿させた。生じたアルミナ粉末は検出できる量のチタニアを含まなかった。
6cc/g;70から130Åの間の直径を有する孔内の細孔容積は、総細孔容積の78%であった;300Åより上の直径を有する孔内の細孔容積は、総細孔容積の1.10%であった;そして1000Åより上の直径を有する孔内の細孔容積は、総細孔容積の0.96%であった。以下の表2を参照にされたい。
上記比較実施例1に記載したように調製した750gの沈殿アルミナ粉末を、8.9gの濃硝酸、51.3gの硝酸マグネシウム6水和物および630gの水と20分間混合して湿潤ミックスにした。次いでこの湿潤ミックスは、2インチの押出し機を使用して押出して非対称のクアドリローブ形押出し物にした(称呼直径0.05”)。この押出し物を204℃で2時間乾燥した後、650℃で1時間、0.5リットル/分の通気でか焼して硝酸マグネシウムをマグネシアに分解した。
cc/g;70から130Åの間の直径を有する孔内の細孔容積は、総細孔容積の71%であった;300Åより上の直径を有する孔内の細孔容積は、総細孔容積の3.17%であった;そして1000Åより上の直径を有する孔内の細孔容積は、総細孔容積の0.35%であった。か焼した押出し物担体は1.6重量%のマグネシアを含んだ。
上記比較実施例1に記載したように調製した5000gの沈殿アルミナ粉末を、105gの濃硝酸、114gの微細チタニア粒子および3835gの水と70分間混合して湿潤ミックスにした。この湿潤ミックスは、4インチの押出し機を使用して押出して非対称のクアドリローブ形押出し物にした。この押出し物を120℃で一晩乾燥した後、650℃で1時間、8リットル/分の通気でか焼した。か焼した押出し物は以下の特性を有した:表面積263m2/g;総細孔容積0.720cc/g;70から130Åの間の直径を
有する孔内の細孔容積は、総細孔容積の79%であった;300Åより上の直径を有する孔内の細孔容積は、総細孔容積の1.0%であった;そして1000Åより上の直径を有する孔内の細孔容積は、総細孔容積の0.22%であった。50から200Åの間、そして200Åより上の孔内の細孔容積の割合は、それぞれ93.0、そして1.85%であった。か焼した押出し物は、コーミリング(comulling)を通して3.5%のチタニアを含んだ。
チタニアアルミナ粉末(1521g)は、ストライクタンク中の底の水が57℃であり、そして100gのチタニアおよびアルミナあたり3.6gのチタニアを含んだことを除き、実施例1に記載したように沈殿した。チタニアアルミナ粉末を、15.2gの濃硝酸および1166gの水と5分間混合して湿潤ミックスにした。次いでこの湿潤ミックスは、4インチの押出し機を使用して押出して、非対称のクアドリローブ形押出し物にした(称呼直径0.05”)。この押出し物を120℃で一晩乾燥した後、704℃で1時間、か焼した。か焼した押出し物は以下の特性を有した:表面積280m2/g;総細孔容積
0.963cc/g;70から130Åの間の直径を有する孔内の細孔容積は、総細孔容積の62.7%であった;300Åより上の直径を有する孔内の細孔容積は、総細孔容積の16.1%であった;そして1000Åより上の直径を有する孔内の細孔容積は、総細孔容積の12.3%であった。50Å未満、50から200Åの間、そして200Åより上の孔内の細孔容積の割合は、それぞれ2.1%、80.7%そして17.2%であった。
本発明の触媒を、水素化脱硫法およびMCR残留分について評価した。ジメチルジスルフィドを使用して前硫化(presulfided)した後、触媒A、触媒B、触媒C、および比較触媒1、触媒2、触媒3および触媒4は、既に連続充填反応床中の標準的な市販されている脱金属触媒に通したアラビアンライト残油原料(Arabian Light residuum feed)と接触させた。脱金属触媒および個々の脱金属触媒を含む触媒系を通すアラビアンライトの残油処理において、使用した全LHSVおよび圧は、0.35h-1および2167psigであった。脱金属触媒を含む反応槽の温度は365から377℃に上げ、触媒AからCおよび比較触媒1から4を含む反応槽の温度は試験を通して371から388℃に上げた。アラビアンライト残油の特性は以下の表3に示す。
よび0.22%の硫黄を含み、そして触媒Bを使用して処理した残油留分は、3.34%のMCRおよび0.19%の硫黄を含んだ。これと比較して比較触媒1を使用して処理した残油留分は、3.69%のMCRおよび0.26%の硫黄を含んだ。これは共沈を介してチタニウムを担体に包含することの利点を示す。
Claims (8)
- 水素化処理条件下で、残油炭化水素留分の水素化脱硫法に適する触媒的に活性な金属を担持するための多孔性担持材料の調製法であって:
a)チタニアアルミナ粉末の総重量に基づき5重量%以下のチタニアを有する共沈チタニアアルミナ粉末を調製し、ここで、チタニアアルミナは水性アルミナ塩とチタニル塩組成物から63〜80℃で共沈させ;
b)チタニアアルミナ粉末を解膠し;
c)チタニアアルミナ粉末を押出してチタニアアルミナ押出し物を形成し;そして
d)押出し物を約500℃〜約900℃の温度で約1時間〜約3時間か焼して、担体の総重量に基づき5重量%以下のチタニアを有するチタニアアルミナ担体を得る、
ことを含んでなり、この担体が、窒素ポロシメトリーにより測定して1グラムあたり約0.5〜約1.1立方センチメートルの総細孔容積を有し、総細孔容積の少なくとも70%が窒素ポロシメトリーにより測定して約7nm〜約13nmの直径を有する孔にあり、総細孔容積の5%未満が窒素ポロシメトリーにより測定して約30nmより大きい直径を有する孔にあり、そして水銀浸透ポロシメトリーにより測定した場合、総細孔容積の2%未満が約100nmより大きい直径を有する孔にある、上記方法。 - 担体が少なくとも90重量%の共沈チタニアアルミナを含んでなる請求項1に記載の方法。
- 共沈チタニアアルミナ粉末が、硫酸アルミニウムおよび硫酸チタニルをアルミン酸ナトリウムと共に共沈させ、ここで、チタニアアルミナを含んでなる最終的な担体を提供するために十分な量の硫酸チタニルを使用する、ことにより形成される、請求項1に記載の方法。
- 担体が約650℃〜約870℃の温度でか焼される請求項1に記載の方法。
- 残油炭化水素原料油の水素化脱硫法のための触媒の調製法であって:
請求項1に記載の多孔性担持材料を調製し、
上記多孔性の押出し担体を、周期表の第6族の金属、周期表の第9族の金属、周期表の第10族の金属の化合物、およびそれらの組み合わせからなる群から選択される少なくとも一つの触媒または触媒前駆体、ならびにリンを含有する水溶液に含浸し、ここで、リンの量は、全触媒組成物の重量に基づき、元素のリンとして計算して約0.22〜約3.0重量%のリン濃度をもたらす量である、
ことを含む、方法。 - リンの濃度が、全触媒組成物の重量に基づき、元素のリンとして計算して0.22〜1.95重量%である、請求項5に記載の方法。
- 硫黄または残留微小炭素(MCR)の少なくとも1つを含有する残油炭化水素原料油を水素化処理する方法であって、
請求項5に記載の触媒を調製し、
上記残油原料油を水素化脱硫法の条件下で上記触媒と接触させて、残油原料油と比較して低い含量の硫黄、低い含量のMCR、または低い含量の硫黄と低い含量のMCRの両方を含む水素処理残油炭化水素留分を生成する、
ことを含む、方法。 - 残油炭化水素原料油を触媒と、約300°〜約450℃の反応温度、約120バール〜約200バールの水素圧、約250Nl/l〜約1400Nl/lの範囲のH2:油比、
および約0.2hr-1〜約2.0hr-1の空間速度で接触させる、請求項7に記載の方法。
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