JP2020514027A - 押出成形ハニカム触媒 - Google Patents
押出成形ハニカム触媒 Download PDFInfo
- Publication number
- JP2020514027A JP2020514027A JP2019536098A JP2019536098A JP2020514027A JP 2020514027 A JP2020514027 A JP 2020514027A JP 2019536098 A JP2019536098 A JP 2019536098A JP 2019536098 A JP2019536098 A JP 2019536098A JP 2020514027 A JP2020514027 A JP 2020514027A
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- JP
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- Prior art keywords
- catalyst
- oxide
- vanadium
- antimony
- mass
- 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
- 239000003054 catalyst Substances 0.000 title claims abstract description 150
- 238000000034 method Methods 0.000 claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000002485 combustion reaction Methods 0.000 claims abstract description 10
- 229910000410 antimony oxide Inorganic materials 0.000 claims description 39
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 38
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 claims description 38
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 claims description 37
- 239000000203 mixture Substances 0.000 claims description 37
- 229910001935 vanadium oxide Inorganic materials 0.000 claims description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 32
- 239000002243 precursor Substances 0.000 claims description 32
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 27
- 229910052720 vanadium Inorganic materials 0.000 claims description 27
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 25
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 25
- 239000011230 binding agent Substances 0.000 claims description 22
- 239000011159 matrix material Substances 0.000 claims description 22
- 229910052787 antimony Inorganic materials 0.000 claims description 17
- 239000000377 silicon dioxide Substances 0.000 claims description 16
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000001354 calcination Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 5
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 5
- 229910052878 cordierite Inorganic materials 0.000 claims description 5
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000004014 plasticizer Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- 229910021536 Zeolite Inorganic materials 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 4
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910021550 Vanadium Chloride Inorganic materials 0.000 claims description 3
- NNTGNYIMRIVRSJ-UHFFFAOYSA-N [V].C(O)CN Chemical compound [V].C(O)CN NNTGNYIMRIVRSJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000379 antimony sulfate Inorganic materials 0.000 claims description 3
- FAPDDOBMIUGHIN-UHFFFAOYSA-K antimony trichloride Chemical compound Cl[Sb](Cl)Cl FAPDDOBMIUGHIN-UHFFFAOYSA-K 0.000 claims description 3
- JRLDUDBQNVFTCA-UHFFFAOYSA-N antimony(3+);trinitrate Chemical compound [Sb+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JRLDUDBQNVFTCA-UHFFFAOYSA-N 0.000 claims description 3
- MVMLTMBYNXHXFI-UHFFFAOYSA-H antimony(3+);trisulfate Chemical compound [Sb+3].[Sb+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O MVMLTMBYNXHXFI-UHFFFAOYSA-H 0.000 claims description 3
- WSXIMVDZMNWNRF-UHFFFAOYSA-N antimony;ethane-1,2-diol Chemical compound [Sb].OCCO WSXIMVDZMNWNRF-UHFFFAOYSA-N 0.000 claims description 3
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 claims description 3
- JVLRYPRBKSMEBF-UHFFFAOYSA-K diacetyloxystibanyl acetate Chemical group [Sb+3].CC([O-])=O.CC([O-])=O.CC([O-])=O JVLRYPRBKSMEBF-UHFFFAOYSA-K 0.000 claims description 3
- 229910000765 intermetallic Inorganic materials 0.000 claims description 3
- OGUCKKLSDGRKSH-UHFFFAOYSA-N oxalic acid oxovanadium Chemical compound [V].[O].C(C(=O)O)(=O)O OGUCKKLSDGRKSH-UHFFFAOYSA-N 0.000 claims description 3
- RPESBQCJGHJMTK-UHFFFAOYSA-I pentachlorovanadium Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[V+5] RPESBQCJGHJMTK-UHFFFAOYSA-I 0.000 claims description 3
- 239000011949 solid catalyst Substances 0.000 claims description 3
- 229910052596 spinel Inorganic materials 0.000 claims description 3
- 239000011029 spinel Substances 0.000 claims description 3
- YPMOSINXXHVZIL-UHFFFAOYSA-N sulfanylideneantimony Chemical compound [Sb]=S YPMOSINXXHVZIL-UHFFFAOYSA-N 0.000 claims description 3
- 229910021551 Vanadium(III) chloride Inorganic materials 0.000 claims description 2
- HQYCOEXWFMFWLR-UHFFFAOYSA-K vanadium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[V+3] HQYCOEXWFMFWLR-UHFFFAOYSA-K 0.000 claims description 2
- UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 claims description 2
- 229910000352 vanadyl sulfate Inorganic materials 0.000 claims description 2
- 229940041260 vanadyl sulfate Drugs 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 32
- 238000001125 extrusion Methods 0.000 description 8
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 7
- 239000004480 active ingredient Substances 0.000 description 5
- 150000001720 carbohydrates Chemical class 0.000 description 5
- 235000014633 carbohydrates Nutrition 0.000 description 5
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000010531 catalytic reduction reaction Methods 0.000 description 3
- -1 coal ash Chemical compound 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 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 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 235000012438 extruded product Nutrition 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- GUBGYTABKSRVRQ-XLOQQCSPSA-N Alpha-Lactose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical class [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 1
- 229920001732 Lignosulfonate Polymers 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical group [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920003091 Methocel™ Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical group [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
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- 229910052733 gallium Inorganic materials 0.000 description 1
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- 239000008103 glucose Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical group [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
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- 229910052749 magnesium Inorganic materials 0.000 description 1
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- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- 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
- B01J23/76—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
- B01J23/847—Vanadium, niobium or tantalum or polonium
- B01J23/8472—Vanadium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1642—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for producing a curved bore
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1671—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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Abstract
Description
i)酸化バナジウム及び/又はそれらの前駆体、酸化アンチモン及び/又はそれらの前駆体、アンチモン及びバナジウム混合酸化物(mixed antimony and vanadium oxides)、鉄及びバナジウム混合酸化物(mixed iron and vanadium oxides)、前記担体及び/又はそれらの前駆体、並びに前記任意のバインダー及び/又はマトリックス及び/又はそれらの前駆体を混合し、成形可能な混合物にする工程;
ii)前記成形可能な混合物を、フロースルー(flow-through)ハニカム触媒体に押出成形する工程;
iii)前記触媒体を乾燥する工程;並びに
iv)前記触媒体をか焼する工程
を含む方法が提供された。
本発明の第一の態様において、活性成分としての酸化バナジウム、及び促進剤としての酸化アンチモン又は酸化鉄を含む押出成形ハニカム触媒が提供された。
本発明の第二の態様は、本発明の触媒を製造する方法に関連する。
前記押出成形触媒は、
i)酸化バナジウム及び/又はそれらの前駆体、酸化アンチモン及び/又はそれらの前駆体、アンチモン及びバナジウム混合酸化物、鉄及びバナジウム混合酸化物、前記担体及び/又はそれらの前駆体、並びに前記任意のバインダー及び/又はマトリックス及び/又はそれらの前駆体を混合し、成形可能な混合物にする工程;
ii)前記成形可能な混合物を、フロースルーハニカム触媒体に押出成形する工程;
iii)前記触媒体を乾燥する工程;並びに
iv)前記触媒体をか焼する工程
を含む方法によって製造され得る。
本発明の第三の態様は、還元剤、好ましくはNH3の存在下で、排ガスを、本発明の触媒と接触させる工程を含む、内燃機関からの前記排ガス中のNOxを還元する方法に関連する。
本発明の第四の態様は、排出ガスを、本発明の触媒にさらす工程を含む、発電所から発生される前記排出ガスの処理方法に関連する。
b)アンチモン及びバナジウム混合酸化物;又は
c)鉄及びバナジウム混合酸化物
を含む押出成形ハニカム触媒。
i)酸化バナジウム及び/又はそれらの前駆体、酸化アンチモン及び/又はそれらの前駆体、アンチモン及びバナジウム混合酸化物、鉄及びバナジウム混合酸化物、前記担体及び/又はそれらの前駆体、並びに前記任意のバインダー及び/又はマトリックス及び/又はそれらの前駆体を混合し、成形可能な混合物にする工程;
ii)前記成形可能な混合物を、フロースルーハニカム触媒体に押出成形する工程;
iii)前記触媒体を乾燥する工程;並びに
iv)前記触媒体をか焼する工程
を含む方法。
− 前記成形可能な混合物を、連続チャネルを有し、200cpsiのセル密度を示す6端断面(six-edge cross section)を有するフロースルーハニカム触媒体に押出成形する工程;
− 前記触媒体を箔中に包み、空気中で6週間乾燥するか、又は−10〜−30℃で、低圧で凍結乾燥する工程;
− 600℃の温度で、1〜6時間か焼し、固体の触媒体を形成する工程
を含む項目14に記載の方法。
実施例において使用されるV/Sb混合酸化物VSbO4を以下の通り調製する:40.0gのV2O5及び64.1gSb2O3を300gの脱イオン水中に混合し、撹拌して懸濁液を形成した。この懸濁液を200℃で噴霧乾燥し、酸化物の混合物を形成した。
脱NOx%=100×(500ppm−出口安定NOx)/500ppm。
Claims (24)
- a)活性成分としての酸化バナジウム、及び促進剤としての酸化アンチモン;又は
b)アンチモン及びバナジウム混合酸化物;又は
c)鉄及びバナジウム混合酸化物
を含む押出成形ハニカム触媒。 - バインダー及び/又はマトリックス材料をさらに含む請求項1に記載の触媒。
- 前記触媒が、アルミナ、ジルコニア、チタニア、シリカ、シリカアルミナ、シリカチタニア、タングステンチタニア、シリカタングステンチタニア、ゼオライト、セリア、セリアジルコニア混合酸化物、及び上記材料の任意の2種以上の混合物からなる群から選択される少なくとも1種の活性担体をさらに含む請求項1又は2に記載の触媒。
- 前記活性担体が、TiO2系材料であり、好ましくはTiO2、TiO2及びSiO2の混合物、TiO2及びWO3の混合物、若しくはTiO2、SiO2及びWO3の混合物を含むか、又はさらに好ましくはそれらからなる請求項3に記載の触媒。
- 前記触媒の総質量に基づいて、前記酸化バナジウム(V2O5の形態で計算される)が、0.5〜5質量%、好ましくは1〜5質量%、さらに好ましくは1〜3質量%の量である請求項1〜4のいずれか1項に記載の触媒。
- 前記触媒の総質量に基づいて、前記酸化アンチモン(Sb2O3の形態で計算される)が、0.75〜30質量%、好ましくは1.5〜15質量%、さらに好ましくは3〜15質量%の量である請求項1〜5のいずれか1項に記載の触媒。
- 前記触媒が、酸化バナジウム及び酸化アンチモンを含み、前記Sb/Vモル比が、8:1〜1:8、さらに好ましくは6:1〜1:3、最も好ましくは5:1〜1:2である請求項1〜6のいずれか1項に記載の触媒。
- 前記触媒が、最大900セル/断面の平方インチ(以下、cpsi)、好ましくは50〜600cpsi、さらに好ましくは200〜600cpsi、さらにいっそう好ましくは300〜600cpsiを含む請求項1〜7のいずれか1項に記載の触媒。
- 前記触媒の総質量に基づいて、酸化バナジウム(V2O5の形態で計算される)、酸化アンチモン(Sb2O3の形態で計算される)、アンチモン及びバナジウム混合酸化物、鉄及びバナジウム混合酸化物、並びに前記活性担体の総質量が、50〜95%、好ましくは70〜90%、さらに好ましくは75〜90%の範囲である請求項1〜8のいずれか1項に記載の触媒。
- 前記バインダー及び/又はマトリックス材料が、コーディエライト、ガラス繊維、窒化物、炭化物、ホウ化物、金属間化合物、アルミノケイ酸塩、スピネル、アルミナ及び/又はドープされたアルミナ、シリカ、チタニア、ジルコニア、チタニア−ジルコニア、及びそれらの任意の2種以上の混合物の少なくとも1種から選択される請求項1〜9のいずれか1項に記載の触媒。
- 前記バインダー及び/又はマトリックス材料の質量比が、前記触媒の総質量に基づいて、0〜50%、好ましくは5〜30%、最も好ましくは10〜25%の範囲である請求項1〜10のいずれか1項に記載の触媒。
- 前記酸化バナジウム(V2O5の形態で計算される)が、1〜5質量%の量であり、前記酸化アンチモン(Sb2O3の形態で計算される)が、1.5〜15質量%の量であり、酸化バナジウム(V2O5の形態で計算される)、酸化アンチモン(Sb2O3の形態で計算される)、及び前記活性担体の前記総質量が、70〜90%の範囲であり、前記バインダー及び/又はマトリックス材料の前記質量比が、5〜30%の範囲である請求項1〜11のいずれか1項に記載の触媒。
- 前記酸化バナジウム(V2O5の形態で計算される)が、1〜3質量%の量であり、前記酸化アンチモン(Sb2O3の形態で計算される)が、3〜15質量%の量であり、酸化バナジウム(V2O5の形態で計算される)、酸化アンチモン(Sb2O3の形態で計算される)、及び前記活性担体の前記総質量が、75〜90%の範囲であり、前記バインダー及び/又はマトリックス材料の前記質量比が、10〜25%の範囲である請求項1〜11のいずれか1項に記載の触媒。
- 請求項1〜13のいずれか1項に記載の触媒を製造する方法であって、
i)酸化バナジウム及び/又はそれらの前駆体、酸化アンチモン及び/又はそれらの前駆体、アンチモン及びバナジウム混合酸化物、鉄及びバナジウム混合酸化物、前記担体及び/又はそれらの前駆体、並びに前記任意のバインダー及び/又はマトリックス及び/又はそれらの前駆体を混合し、成形可能な混合物にする工程;
ii)前記成形可能な混合物を、フロースルーハニカム触媒体に押出成形する工程;
iii)前記触媒体を乾燥する工程;並びに
iv)前記触媒体をか焼する工程
を含む方法。 - − 酸化バナジウム及び/又はそれらの前駆体、酸化アンチモン及び/又はそれらの前駆体、アンチモン及びバナジウム混合酸化物、鉄及びバナジウム混合酸化物、前記担体及び/又はそれらの前駆体、並びに前記任意のバインダー及び/又はマトリックス材料及び/又はそれらの前駆体を含む溶液、又は混合物を供給し、且つ前記溶液、又は前記混合物を混合し、成形可能な混合物を得る工程;
− 前記成形可能な混合物を、連続チャネルを有し、200cpsiのセル密度を示す6端断面を有するフロースルーハニカム触媒体に押出成形する工程;
− 前記触媒体を箔中に包み、空気中で6週間乾燥するか、又は−10〜−30℃で、低圧で凍結乾燥する工程;
− 600℃の温度で、1〜6時間か焼し、固体の触媒体を形成する工程
を含む請求項14に記載の方法。 - 前記酸化バナジウムの前駆体が、バナジウム酸アンモニウム、シュウ酸バナジル、五酸化バナジウム、バナジウムモノエタノールアミン、塩化バナジウム、三塩化酸化バナジウム、硫酸バナジル及びアンチモン酸バナジウムからなる群から選択される請求項14又は15に記載の方法。
- 前記酸化アンチモンの前駆体が、酢酸アンチモン、エチレングリコールアンチモン、硫酸アンチモン、硝酸アンチモン、塩化アンチモン、硫化アンチモン、酸化アンチモン、バナジウム酸アンチモンからなる群から選択される請求項14〜16のいずれか1項に記載の方法。
- 前記工程i)において、水を含む溶媒が添加される、及び/又は細孔形成剤が添加される請求項14〜17のいずれか1項に記載の方法。
- 前記工程i)において、可塑剤及び/又は分散剤及び/又は沈殿剤等の1種以上の慣例の添加剤が添加される請求項14〜18のいずれか1項に記載の方法。
- 請求項14〜19のいずれか1項に記載の方法によって得られうる触媒。
- 還元剤、好ましくはNH3の存在下で、排ガスを、請求項1〜13及び20のいずれか1項に記載の触媒と接触させる工程を含む、内燃機関からの前記排ガス中のNOxを還元する方法。
- 前記排ガスが、150〜650℃、180〜600℃、又は200〜550℃の範囲の温度下で、前記触媒と接触される請求項21に記載の方法。
- 前記内燃機関がディーゼルエンジンである請求項21又は22に記載の方法。
- 排出ガスを、請求項1〜13及び20のいずれか1項に記載の触媒にさらす工程を含む、発電所から発生される前記排出ガスの処理方法。
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US20220331782A1 (en) * | 2019-09-19 | 2022-10-20 | Basf Corporation | Selective catalytic reduction catalyst composition, catalytic article comprising the same and method for preparing the cataytic article |
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