JP2016533263A - ゼオライトコーティング層を有するビスマスモリブデート系触媒、この製造方法、及びこれを利用した1,3−ブタジエンの製造方法 - Google Patents
ゼオライトコーティング層を有するビスマスモリブデート系触媒、この製造方法、及びこれを利用した1,3−ブタジエンの製造方法 Download PDFInfo
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- JP2016533263A JP2016533263A JP2016546726A JP2016546726A JP2016533263A JP 2016533263 A JP2016533263 A JP 2016533263A JP 2016546726 A JP2016546726 A JP 2016546726A JP 2016546726 A JP2016546726 A JP 2016546726A JP 2016533263 A JP2016533263 A JP 2016533263A
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- JP
- Japan
- Prior art keywords
- producing
- bismuth molybdate
- butadiene
- zeolite
- composite oxide
- 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.)
- Granted
Links
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 title claims abstract description 128
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 239000010457 zeolite Substances 0.000 title claims abstract description 114
- 229910021536 Zeolite Inorganic materials 0.000 title claims abstract description 113
- DKUYEPUUXLQPPX-UHFFFAOYSA-N dibismuth;molybdenum;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Mo].[Mo].[Bi+3].[Bi+3] DKUYEPUUXLQPPX-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 239000003054 catalyst Substances 0.000 title claims abstract description 98
- 239000011247 coating layer Substances 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 41
- 239000002131 composite material Substances 0.000 claims abstract description 82
- 239000011148 porous material Substances 0.000 claims abstract description 20
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims description 25
- 239000002243 precursor Substances 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 17
- 238000005839 oxidative dehydrogenation reaction Methods 0.000 claims description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 239000000376 reactant Substances 0.000 claims description 14
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 229910052792 caesium Inorganic materials 0.000 claims description 11
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 11
- 229910052700 potassium Inorganic materials 0.000 claims description 11
- 239000011591 potassium Substances 0.000 claims description 11
- 229910052797 bismuth Inorganic materials 0.000 claims description 10
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 10
- 238000010304 firing Methods 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 238000003786 synthesis reaction Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 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 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 7
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 239000011733 molybdenum Substances 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052701 rubidium Inorganic materials 0.000 claims description 7
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000008188 pellet Substances 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000012692 Fe precursor Substances 0.000 claims description 2
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims 2
- 239000000047 product Substances 0.000 description 23
- 239000006227 byproduct Substances 0.000 description 18
- 238000004458 analytical method Methods 0.000 description 17
- 239000011162 core material Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 239000007790 solid phase Substances 0.000 description 9
- 239000012153 distilled water Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 238000006356 dehydrogenation reaction Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 230000000877 morphologic effect Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000007569 slipcasting Methods 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- FBXVOTBTGXARNA-UHFFFAOYSA-N bismuth;trinitrate;pentahydrate Chemical compound O.O.O.O.O.[Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FBXVOTBTGXARNA-UHFFFAOYSA-N 0.000 description 4
- NLSCHDZTHVNDCP-UHFFFAOYSA-N caesium nitrate Chemical compound [Cs+].[O-][N+]([O-])=O NLSCHDZTHVNDCP-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000012792 core layer Substances 0.000 description 3
- 238000001027 hydrothermal synthesis Methods 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000012378 ammonium molybdate tetrahydrate Substances 0.000 description 2
- FIXLYHHVMHXSCP-UHFFFAOYSA-H azane;dihydroxy(dioxo)molybdenum;trioxomolybdenum;tetrahydrate Chemical compound N.N.N.N.N.N.O.O.O.O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O FIXLYHHVMHXSCP-UHFFFAOYSA-H 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- QGUAJWGNOXCYJF-UHFFFAOYSA-N cobalt dinitrate hexahydrate Chemical compound O.O.O.O.O.O.[Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O QGUAJWGNOXCYJF-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- QZRHHEURPZONJU-UHFFFAOYSA-N iron(2+) dinitrate nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O QZRHHEURPZONJU-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004626 scanning electron microscopy Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 235000019270 ammonium chloride Nutrition 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
- 229940010552 ammonium molybdate Drugs 0.000 description 1
- 235000018660 ammonium molybdate Nutrition 0.000 description 1
- 239000011609 ammonium molybdate Substances 0.000 description 1
- QNRMTGGDHLBXQZ-UHFFFAOYSA-N buta-1,2-diene Chemical compound CC=C=C QNRMTGGDHLBXQZ-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- IAQRGUVFOMOMEM-ARJAWSKDSA-N cis-but-2-ene Chemical compound C\C=C/C IAQRGUVFOMOMEM-ARJAWSKDSA-N 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- IAQRGUVFOMOMEM-ONEGZZNKSA-N trans-but-2-ene Chemical compound C\C=C\C IAQRGUVFOMOMEM-ONEGZZNKSA-N 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Classifications
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- 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
- B01J23/76—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
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8876—Arsenic, antimony or bismuth
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- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/31—Chromium, molybdenum or tungsten combined with bismuth
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- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
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- B01J29/076—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
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- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/643—Pore diameter less than 2 nm
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- B01J37/0215—Coating
- B01J37/0221—Coating of particles
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- B01J37/02—Impregnation, coating or precipitation
- B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
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- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0246—Coatings comprising a zeolite
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C07C11/12—Alkadienes
- C07C11/16—Alkadienes with four carbon atoms
- C07C11/167—1, 3-Butadiene
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/42—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor
- C07C5/48—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with oxygen as an acceptor
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- B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
- B01J29/26—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J29/48—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing arsenic, antimony, bismuth, vanadium, niobium tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/78—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
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Abstract
Description
MoaBibFecCodEeOy (1)
前記式で、Eはニッケル、ナトリウム、カリウム、ルビジウム及びセシウムからなる群より選択される1種以上のもので;前記a、b、c、d及びeは、それぞれ0.001から1であり;前記yは、他の成分により原子価を合わせるために定められる値である。
MoaBibFecCodEeOy (1)
前記式で、Eはニッケル、ナトリウム、カリウム、ルビジウム及びセシウムからなる群より選択される1種以上のもので;前記a、b、c、d及びeは、それぞれ0.001から1であり;前記yは、他の成分により原子価を合わせるために定められる値である。
1)ビスマス前駆体;鉄前駆体;コバルト前駆体;及びニッケル、ナトリウム、カリウム、ルビジウム及びセシウムのうち1種以上の金属前駆体を含む第1溶液を製造する段階;
2)モリブデン前駆体が溶解されている第2溶液に前記第1溶液を添加して混合し反応させる段階;及び
3)前記反応の後、乾燥して成型及び焼成させる段階。
1)ペレット型ビスマスモリブデート系複合酸化物コアの製造
ビスマスナイトレート5水和物、鉄ナイトレート9水和物(Fe(NO3)3・9(H2O))、コバルトナイトレート6水和物(Co(NO3)2・6(H2O))、カリウムナイトレート(KNO3)、セシウムナイトレート(CsNO3)を蒸留水に入れ混合して第1溶液を製造した。このとき、ビスマス前駆体であるビスマスナイトレート5水和物は、蒸留水に硝酸溶液を交ぜて溶解させてから添加した。ここで、前記各金属成分の前駆体物質は、モリブデン(Mo):ビスマス(Bi):鉄(Fe):コバルト(Co):セシウム(Cs):カリウム(K)=12:1:1:8:0.5:0.01のモル比を有するように調節して用いた。その後、アンモニウムモリブデート4水和物((NH4)6(Mo7O24)・4(H2O))を蒸留水に溶解させた第2溶液に前記第1溶液を入れ混合して撹拌した。その後、生成物を乾燥及び成型し、450℃で焼成してペレット型のビスマスモリブデート系複合酸化物コアを収得した。
前記実施例1)で製造されたペレット型ビスマスモリブデート系複合酸化物コアの表面にゼオライトコーティング層を形成させた。コーティング層の形成は、スリップキャスティング(slip casting)法を用いて前記複合酸化物コアの表面にゼオライトシード層を形成させた後、ゼオライト合成溶液に前記シード層が形成された複合酸化物コアを浸漬して水熱合成した後、乾燥及び焼成することにより製造した。
ゼオライトコーティング層のないペレット型ビスマスモリブデート系複合酸化物触媒を製造した。
前記実施例で製造したゼオライトコーティング層を有するビスマスモリブデート系複合酸化物触媒と、比較例で製造したゼオライトコーティング層を有しないビスマスモリブデート系複合酸化物触媒とのモホロジーを比較分析するため、走査電子顕微鏡(SEM、Scanning Electron Microscopy)とSEM−EDX(Scanning Electron Microscopy & Energy−dispersive X−ray spectroscopy)を利用して前記各触媒の表面形状と表面の元素組成を分析した。結果を図3及び図4に示した。
前記実施例で製造したゼオライトコーティング層を有するビスマスモリブデート系複合酸化物触媒と、比較例で製造した各触媒との活性を比較分析するため、1−ブテンの転換率(X)、1,3−ブタジエンの選択度(S_BD)、固相の有機副産物の選択度(S−heavy)、COx選択度(S−COx)及び熱点温度(Hot spot Temperature、HST)を下記方法で測定した。結果を下記表1に示した。
20 ビスマスモリブデート系複合酸化物
1 反応物
2 有機副産物
3 生成物
丸1 ビスマスモリブデート系複合酸化物
丸2 ゼオライトシード溶液
丸3 乾燥及び焼成
丸4 ゼオライト合成溶液
丸5 表面にゼオライトコーティング層が形成されたビスマスモリブデート系複合酸化物触媒
Claims (17)
- 下記化学式(1)で表されるビスマスモリブデート系複合酸化物;及び
前記ビスマスモリブデート系複合酸化物の表面に形成された微細気孔を有するゼオライトコーティング層を含む、1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒:
MoaBibFecCodEeOy 化学式(1)
前記化学式(1)で、Eはニッケル、ナトリウム、カリウム、ルビジウム及びセシウムからなる群より選択される1種以上のもので;
前記a、b、c、d及びeは、それぞれ0.001から1であり;
前記yは、他の成分により原子価を合わせるために定められる値である。 - 前記Eは、セシウム及びカリウムからなる群より選択される1種以上であることを特徴とする請求項1に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒。
- 前記ゼオライトは、ケイ素(Si)系ゼオライトであることを特徴とする請求項1に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒。
- 前記微細気孔は、直径が0.2nmから1.5nmであることを特徴とする請求項1に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒。
- 前記ゼオライトコーティング層は、50nmから1000nmの厚さを有することを特徴とする請求項1に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒。
- 前記触媒は、ペレット形態であることを特徴とする請求項1に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒。
- 1)下記化学式(1)で表されるビスマスモリブデート系複合酸化物を製造する段階;
2)前記製造されたビスマスモリブデート系複合酸化物にゼオライトシード溶液を注入して放置した後、乾燥及び焼成してビスマスモリブデート系複合酸化物の表面にゼオライトシードを形成させる段階;及び
3)前記ゼオライトシードが形成されたビスマスモリブデート系複合酸化物をゼオライト合成溶液に含浸させ、シードを成長させて乾燥する段階を含む、表面に微細気孔を有するゼオライトコーティング層が形成された1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒の製造方法:
MoaBibFecCodEeOy 化学式(1)
前記化学式(1)で、Eはニッケル、ナトリウム、カリウム、ルビジウム及びセシウムからなる群より選択される1種以上のもので;
前記a、b、c、d及びeは、それぞれ0.001から1であり;
前記yは、他の成分により原子価を合わせるために定められる値である。 - 前記段階1)のビスマスモリブデート系複合酸化物は、
ビスマス前駆体;鉄前駆体;コバルト前駆体;並びにニッケル、ナトリウム、カリウム、ルビジウム及びセシウムのうち1種以上の金属前駆体を含んだ第1溶液を製造する段階;
モリブデン前駆体が溶解されている第2溶液に前記第1溶液を添加し混合して反応させる段階;及び
前記反応の後、乾燥して成型及び焼成させる段階により製造されるものであることを特徴とする請求項7に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒の製造方法。 - 前記ゼオライトは、ケイ素(Si)系ゼオライトであることを特徴とする請求項7に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒の製造方法。
- 前記微細気孔は、直径が0.2nmから1.5nmであることを特徴とする請求項7に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒の製造方法。
- 前記段階2)の乾燥は、90℃から200℃の温度範囲で5時間から100時間の間熱処理して行うことを特徴とする請求項7に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒の製造方法。
- 前記段階2)の焼成は、400℃から600℃の温度範囲で2時間から40時間の間熱処理して行うことを特徴とする請求項7に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒の製造方法。
- 前記段階3)の乾燥は、110℃から200℃の温度範囲で1時間から24時間の間熱処理して行うことを特徴とする請求項7に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒の製造方法。
- 前記ゼオライトコーティング層は、50nmから1000nmの厚さを有するように形成されることを特徴とする請求項7に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒の製造方法。
- 前記触媒は、ペレット形態であることを特徴とする請求項7に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒の製造方法。
- 請求項1に記載の1,3−ブタジエン製造用ビスマスモリブデート系複合酸化物触媒を反応器に固定床として充填させる段階;及び
ノルマルブテンを含むC4化合物を含有する反応物を、前記触媒が充填された反応器の触媒層に連続的に通過させながら酸化的−脱水素化反応を進めさせる段階を含む1,3−ブタジエンの製造方法。 - 前記酸化的−脱水素化反応は、250℃から450℃の反応温度、及び前記ノルマル−ブテンを基準に50h−1から5000h−1の空間速度で行うことを特徴とする請求項16に記載の1,3−ブタジエンの製造方法。
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US20160256855A1 (en) | 2016-09-08 |
US9925525B2 (en) | 2018-03-27 |
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