WO2005099897A1 - フィッシャー・トロプシュ合成用触媒および炭化水素の製造法 - Google Patents
フィッシャー・トロプシュ合成用触媒および炭化水素の製造法 Download PDFInfo
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- WO2005099897A1 WO2005099897A1 PCT/JP2005/007743 JP2005007743W WO2005099897A1 WO 2005099897 A1 WO2005099897 A1 WO 2005099897A1 JP 2005007743 W JP2005007743 W JP 2005007743W WO 2005099897 A1 WO2005099897 A1 WO 2005099897A1
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- Prior art keywords
- catalyst
- silica
- alumina
- mass
- metal
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 33
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 27
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 20
- 229930195733 hydrocarbon Natural products 0.000 title claims description 11
- 150000002430 hydrocarbons Chemical class 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 title description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 78
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 39
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 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 30
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 21
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010936 titanium Substances 0.000 claims abstract description 20
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 20
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 17
- 239000010941 cobalt Substances 0.000 claims abstract description 17
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 14
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 150000002739 metals Chemical class 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000002243 precursor Substances 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 38
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 26
- 239000010409 thin film Substances 0.000 abstract description 13
- 239000011148 porous material Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 15
- 239000007789 gas Substances 0.000 description 11
- 239000007864 aqueous solution Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 229910002651 NO3 Inorganic materials 0.000 description 6
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 6
- 239000012153 distilled water Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000011068 loading method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 150000001340 alkali metals Chemical class 0.000 description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 4
- 150000001342 alkaline earth metals Chemical class 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- RGRFMLCXNGPERX-UHFFFAOYSA-L oxozirconium(2+) carbonate Chemical compound [Zr+2]=O.[O-]C([O-])=O RGRFMLCXNGPERX-UHFFFAOYSA-L 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 2
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- LYTNHSCLZRMKON-UHFFFAOYSA-L oxygen(2-);zirconium(4+);diacetate Chemical compound [O-2].[Zr+4].CC([O-])=O.CC([O-])=O LYTNHSCLZRMKON-UHFFFAOYSA-L 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 2
- KOAWAWHSMVKCON-UHFFFAOYSA-N 6-[difluoro-(6-pyridin-4-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methyl]quinoline Chemical compound C=1C=C2N=CC=CC2=CC=1C(F)(F)C(N1N=2)=NN=C1C=CC=2C1=CC=NC=C1 KOAWAWHSMVKCON-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical class CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 1
- 101150107341 RERE gene Proteins 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- FHKPLLOSJHHKNU-INIZCTEOSA-N [(3S)-3-[8-(1-ethyl-5-methylpyrazol-4-yl)-9-methylpurin-6-yl]oxypyrrolidin-1-yl]-(oxan-4-yl)methanone Chemical compound C(C)N1N=CC(=C1C)C=1N(C2=NC=NC(=C2N=1)O[C@@H]1CN(CC1)C(=O)C1CCOCC1)C FHKPLLOSJHHKNU-INIZCTEOSA-N 0.000 description 1
- QVYYOKWPCQYKEY-UHFFFAOYSA-N [Fe].[Co] Chemical compound [Fe].[Co] QVYYOKWPCQYKEY-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- 150000003840 hydrochlorides Chemical class 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910000349 titanium oxysulfate Inorganic materials 0.000 description 1
- XROWMBWRMNHXMF-UHFFFAOYSA-J titanium tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[Ti+4] XROWMBWRMNHXMF-UHFFFAOYSA-J 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2/00—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
- C10G2/30—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen
- C10G2/32—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts
- C10G2/33—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used
- C10G2/331—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals
- C10G2/333—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals of the platinum-group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- 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
- B01J23/75—Cobalt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0207—Pretreatment of the support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0244—Coatings comprising several layers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2/00—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
- C10G2/30—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen
- C10G2/32—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts
- C10G2/33—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used
- C10G2/331—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals
- C10G2/332—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals of the iron-group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/462—Ruthenium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- 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
Definitions
- the present invention relates to a catalyst for synthesizing a hydrocarbon from a synthesis gas containing hydrogen and carbon monoxide as main components, and a method for producing a hydrocarbon using the catalyst.
- FT synthesis The reaction of synthesizing hydrocarbons from synthesis gas containing hydrogen and carbon monoxide as main components is called Fisher-Tropsch synthesis (FT synthesis) and is well known in the past.
- This FT synthesis is carried out using a catalyst obtained by supporting an active metal such as iron-cobalt on a carrier such as silica or alumina (for example, see Patent Document 1).
- Patent Document 1 Japanese Patent Application Laid-Open No. Hei 21-287847
- Patent Document 2 JP-A-59-120424
- the FT synthesis reaction is defined by indicators such as CO conversion, methane selectivity, and chain growth probability ⁇ .
- Low methane selectivity means that the methane production reaction, which is a side reaction of the FT synthesis reaction, is kept low.
- the chain growth probability ⁇ is a measure of the molecular weight of the obtained hydrocarbon. The higher the chain growth probability (ie, closer to 1.0), the higher the molecular weight of the hydrocarbon.
- FT synthesis products are usually produced as clean liquid fuels through a subsequent hydrocracking process.
- clean liquid fuels the demand for middle distillates such as kerosene and gas oil has been particularly high in recent years.
- middle distillates such as kerosene and gas oil
- a low methane selectivity and a high chain growth probability ⁇ are required become.
- the FT synthesis reaction with high C ⁇ conversion rate, low methane selectivity and high ⁇ is set as a development goal in industry, and improvement of the FT synthesis catalyst has been promoted in order to realize it.
- An object of the present invention is to provide a novel catalyst for FT synthesis having a high chain growth probability ⁇ in a region where the CO conversion rate is high, thereby eliminating obstacles to practical use of F ⁇ synthesis.
- the present inventors have conducted extensive studies and found that the above-mentioned problems can be solved by carrying an active metal on a carrier in which an optimal amount of zirconium and / or titanium oxide is supported on a thin film on silica or alumina. And completed the present invention.
- the present invention relates to a method in which silica or alumina contains 0.5% by mass or more as a metal as a metal.
- the present invention relates to the catalyst as described above, which is characterized in that the catalyst is produced by supporting a precursor compound of a metal selected from cobalt, nickel and ruthenium on the carrier, followed by drying and calcining.
- the present invention also relates to the catalyst as described above, which carries two or more precursor compounds.
- the present invention relates to a method for producing hydrocarbons, comprising reacting hydrogen with carbon monoxide using the above catalyst to synthesize hydrocarbons.
- the present invention is described in detail below.
- the carrier used in the present invention is a carrier in which titanium and / or zirconium is supported as a thin film on silica or alumina as an oxide.
- Silica or alumina includes an inorganic compound containing silica or anolemina as a main component.
- the specific surface area of silica or alumina used in the present invention is preferably a 2 / g, 2 O 0 ⁇ 400m 2 / and more preferably Rere ones g. If the specific surface area is smaller than 100 m 2 / g, there is a concern that active metals such as cobalt may aggregate. On the other hand, if the specific surface area is larger than 50 Om 2 ng, the pore diameter becomes small, and there is a concern that the pores may be blocked by carrying an active metal such as cobalt.
- the specific surface area is a value obtained by measurement by a nitrogen adsorption method.
- the average pore diameter of silica or alumina used in the present invention is preferably from 8 to 20 nm, more preferably from 10 to 18 nm, and further preferably from 11 to 16 nm. .
- the average pore diameter is smaller than 8 nm, there is a concern that the reaction activity is lowered due to diffusion control.
- the average pore size is larger than 20 nm, the surface area of the carrier will be low, and the supported metal will aggregate, which may cause a reduction in the reaction activity.
- the average pore diameter is a value obtained by measurement by a nitrogen adsorption method.
- the shape of the silica or alumina used in the present invention is not particularly limited, and a shape suitable for the process to be used is selected from various shaped products such as a spherical product, a crushed product, and a round molded product. Can be. There is no restriction on the average particle diameter of silica or alumina, and usually ⁇ ⁇ ⁇ ! ⁇ ⁇ ⁇ 10 mm, preferably 50 ⁇ m ⁇ 5 mm can be appropriately selected and used depending on the process.
- Loading amount of zirconium and / or titanium is for the silica or alumina, as zirconium metal Contact Yopi / or titanium metal, 0.5 mass 0/0 or 1 0.0 wt% or less, preferably 1.0 mass % To 9.0% by mass, more preferably 2.0% to 8.0% by mass.
- the term “supporting a thin film” means that titanium and / or zirconium does not aggregate on the surface of silica or alumina, and titanium and / or oxides of Z or zirconium form a monolayer on the surface of silica or alumina. It means a state of being carried almost uniformly on the top.
- the thin film support in the present invention is:
- a 1 specific surface area of silica or alumina (m 2 Zg),
- a 2 average pore diameter (nm) of silica or alumina
- B 1 specific surface area (m 2 Zg) of silica or alumina supporting zirconium and / or titanium as an oxide
- B 2 average pore diameter (nm) of silica or alumina carrying zirconium and Z or titanium as oxide
- Z thin film index
- Z means that Z> 0.1, preferably z ⁇ 0.12, and more preferably Z ⁇ 0.15.
- the silica or alumina is impregnated with an aqueous solution of a compound serving as a dinorec- and Z or titanium source.
- the decrease in the specific surface area of silica or alumina is suppressed to 5% or less, preferably 4% or less, more preferably 3% or less, and the decrease in average pore diameter is 25% or less, preferably 23% or less.
- a method in which the immersion time, the aqueous solution concentration, the immersion temperature and the pH are adjusted to preferably control the hydrolytic decomposition rate to 20% or less can be mentioned.
- To remove bubbles in the pores of silica or alumina immerse silica or alumina in distilled water and then irradiate with ultrasonic waves or dip silica or alumina in distilled water or aqueous solution under reduced pressure.
- a method is preferably employed.
- zirconium and Z or titanium are supported as a thin film in a range of 0.5% by mass or more and 10.0% by mass or less with respect to silica or alumina, and the zirconium and zirconium and zirconium are prevented from being blocked. While suppressing the reduction of the specific surface area and the average pore diameter of the carrier due to the loading of titanium, the thin film loading increases the contact area between the loaded zirconium and Z or titanium or an active metal such as cobalt to increase CO. The conversion rate and the high chain growth probability can be maintained at the same time.
- an alkali metal and Z or an alkaline earth metal can be further contained in a carrier in which a thin film of zirconium and / or titanium oxide is supported on silica or alumina.
- inclusion of alkali metal Z or alkaline earth metal is expected to improve the probability of chain growth.
- the content ratio of the alkali metal and / or the alkaline earth metal is preferably from 0.03% by mass to 0.3% by mass with respect to the carrier.
- the amount of alkali metal and Z or alkaline earth metal is less than 0.03% by mass, the effect of improving the probability of chain growth by modification is not exhibited.
- the amount is more than 0.3% by mass, CO conversion is performed. It is not desirable because the rate decreases.
- the Fischer-Tropsch synthesis catalyst of the present invention comprises an active metal supported on a support in which zirconium and / or titanium is supported as a thin film on silica or alumina as described above.
- a metal selected from cobalt, nickel and ruthenium is used as the active metal supported on the carrier. Of these, cobalt and ruthenium are more preferred, and cobalt is most preferred.
- the active metal component is usually obtained by immersing the carrier in a solution containing one or more precursor compounds containing the metal, impregnating and supporting the precursor compound on the carrier, and then drying and calcining. Through the step, the metal oxide is supported on the carrier.
- any compound having the metal in the molecule in the form of a salt or a complex can be used.
- a metal selected from cobalt, nickel and ruthenium any compound having the metal in the molecule in the form of a salt or a complex can be used.
- the type of compound there are no particular restrictions on the type of compound, and preferred examples include nitrates, hydrochlorides, sulfates, formates, acetates, propionates, oxalates, and acetyl acetate.
- the use of a combination of two or more precursor compounds is also preferably employed.
- the combination is not particularly limited, but preferred combinations include nitrate and formate, nitrate and acetate, nitrate and acetyl acetatetonate.
- Particularly preferred combinations include nitrate and formate, and nitrate and acetate.
- Most preferred combinations include nitrate and acetate.
- the drying treatment is not particularly limited, and includes, for example, natural drying in air, degassing drying under reduced pressure, and the like.
- the reaction is performed at 100 to 200 ° C., preferably 110 to 150 ° C., for 0.5 to 48 hours, preferably 5 to 24 hours under an air atmosphere.
- the baking treatment is not particularly limited, and is usually at 300 to 600 ° C., preferably at 400 to 450 ° C. in an air atmosphere, and is preferably 0.5 to 10 hours. For 1 to 5 hours.
- the amount of the active metal to be supported is not particularly limited, but is usually 3 to 50%, preferably 5 to 40% by mass per metal with respect to the carrier. Particularly preferably, it is supported in the range of 10 to 30%. When the amount of the active metal carried is less than 3% by mass, the activity is insufficient. It is not preferable because there is.
- the catalyst of the present invention When the catalyst of the present invention is subjected to the FT synthesis reaction, it is also preferably employed to carry out a reduction treatment with hydrogen or the like in advance.
- the raw material for performing the FT synthesis reaction using the catalyst of the present invention is not particularly limited as long as it is a synthesis gas containing hydrogen and carbon monoxide as main components. It is desirable that the molar ratio is in the range of 1.5 to 2.5, preferably 1.8 to 2.2.
- the catalyst of the present invention can be applied to any process known as a reaction process of FT synthesis, that is, a fixed bed, a supercritical fixed bed, a slurry bed, a fluidized bed, and the like. Beds, supercritical fixed beds, and slurry beds.
- the reaction conditions for the FT synthesis reaction are not particularly limited, and can be performed under known conditions. Usually, the reaction can be carried out at a reaction temperature of 200 to 280 ° C. and a gas hourly space velocity of 100 to 3000 h 1 .
- the resulting carrier was analyzed for the amount of zirconium metal using a metal analyzer, and found to be 2.0% by mass based on silica.
- the average pore diameter and the specific surface area were measured using nitrogen adsorption, the average pore diameter was 12.6 nm and the specific surface area was 3 17 m 2 / g.
- the above carrier the amount of cobalt nitrate corresponding to 1 0.0 wt% as metallic cobalt based on the silica, vinegar cobalt in an amount corresponding to 1 0.0 mass 0/0 as metallic cobalt
- the aqueous solution was impregnated by the Incipient Wetness method. After impregnation, dry at 120 ° C, then!
- the catalyst was obtained by baking at 450 ° C for 2 hours at / ⁇ . This catalyst was packed in a fixed-bed flow reactor, and reduced at 400 ° C. for 2 hours under a stream of hydrogen before the reaction.
- Example 2 In the same manner as in Example 1, except that an aqueous solution of zirconyl carbonate with a concentration of 1.Omo1 / L was used instead of the aqueous solution of zirconyl carbonate with a concentration of 0.1 lmo 1 ZL, Carried out.
- the amount of zirconium metal supported on the obtained carrier was 8.0% by mass with respect to silica, the average pore diameter was 10.2 nm, and the surface area was 309 m 2 Z g.
- the CO conversion, the methane selectivity, and the chain growth probability ⁇ were calculated, and the results are shown in Table 1.
- Comparative Example 1 was carried out in the same manner as in Comparative Example 1 except that an aqueous solution of zirconyl nitrate was used in an amount corresponding to 10.0% by mass as the metal zirconium.
- the resulting support had an average pore size of 8.0 nra and a specific surface area of 290 m 2 Z g.
- Comparative Example 2 as in Comparative Example 1, an agglomerated state in which zirconium was cross-linked with oxygen atoms and aggregated was observed.
- Example 1 2 3.1 2.5 0.1605 66 8.5 0.92
- Example 2 8 21.5 4.9 0.1996 68 7.5 0.92
- Comparative Example 1 2 10.8 7.7 0.0775 52 10.0 0.90
- Comparative Example 2 10 38.5 10.8 0.0004 46 9.0 0.88
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JP2006512413A JP4436832B2 (ja) | 2004-04-16 | 2005-04-18 | フィッシャー・トロプシュ合成用触媒および炭化水素の製造法 |
EP05734753A EP1736239A4 (en) | 2004-04-16 | 2005-04-18 | CATALYST FOR THE FISCHER TROPSCH SYNTHESIS AND HYDROCARBON PRODUCTION PROCESSES |
CN2005800112025A CN1942243B (zh) | 2004-04-16 | 2005-04-18 | 费-托合成催化剂以及制备烃的方法 |
AU2005233035A AU2005233035B2 (en) | 2004-04-16 | 2005-04-18 | Catalyst for Fischer-Tropsch synthesis and method for producing hydrocarbon |
US11/538,139 US7510994B2 (en) | 2004-04-16 | 2006-10-03 | Catalyst for Fischer-Tropsch synthesis and process for producing hydrocarbons |
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JP (1) | JP4436832B2 (ja) |
CN (1) | CN1942243B (ja) |
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Also Published As
Publication number | Publication date |
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JP4436832B2 (ja) | 2010-03-24 |
EP1736239A4 (en) | 2010-06-09 |
CN1942243A (zh) | 2007-04-04 |
AU2005233035B2 (en) | 2010-08-19 |
US20070105963A1 (en) | 2007-05-10 |
MY142111A (en) | 2010-09-15 |
JPWO2005099897A1 (ja) | 2008-03-06 |
CN1942243B (zh) | 2011-07-20 |
EP1736239A1 (en) | 2006-12-27 |
US7510994B2 (en) | 2009-03-31 |
AU2005233035A1 (en) | 2005-10-27 |
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