JP2019519352A - 活性コーティングを有する粒子フィルタ - Google Patents
活性コーティングを有する粒子フィルタ Download PDFInfo
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- JP2019519352A JP2019519352A JP2018541411A JP2018541411A JP2019519352A JP 2019519352 A JP2019519352 A JP 2019519352A JP 2018541411 A JP2018541411 A JP 2018541411A JP 2018541411 A JP2018541411 A JP 2018541411A JP 2019519352 A JP2019519352 A JP 2019519352A
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- Prior art keywords
- particle filter
- zeolite
- catalytically active
- wall flow
- filter
- Prior art date
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- 238000000576 coating method Methods 0.000 title description 13
- 239000011248 coating agent Substances 0.000 title description 11
- 239000002245 particle Substances 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 58
- 239000010457 zeolite Substances 0.000 claims abstract description 49
- 239000011149 active material Substances 0.000 claims abstract description 47
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000010949 copper Substances 0.000 claims abstract description 25
- UNYSKUBLZGJSLV-UHFFFAOYSA-L calcium;1,3,5,2,4,6$l^{2}-trioxadisilaluminane 2,4-dioxide;dihydroxide;hexahydrate Chemical group O.O.O.O.O.O.[OH-].[OH-].[Ca+2].O=[Si]1O[Al]O[Si](=O)O1.O=[Si]1O[Al]O[Si](=O)O1 UNYSKUBLZGJSLV-UHFFFAOYSA-L 0.000 claims abstract description 22
- 239000003054 catalyst Substances 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 9
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 31
- 239000007789 gas Substances 0.000 description 29
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 16
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 9
- 239000011148 porous material Substances 0.000 description 9
- 229910021529 ammonia Inorganic materials 0.000 description 8
- 239000011230 binding agent Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910052676 chabazite Inorganic materials 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 4
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 3
- 229910002089 NOx Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052878 cordierite Inorganic materials 0.000 description 3
- 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 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 229910000505 Al2TiO5 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- DDPNPTNFVDEJOH-UHFFFAOYSA-N [O-2].[Zr+4].[O-2].[Ce+3] Chemical compound [O-2].[Zr+4].[O-2].[Ce+3] DDPNPTNFVDEJOH-UHFFFAOYSA-N 0.000 description 1
- 229940009868 aluminum magnesium silicate Drugs 0.000 description 1
- WMGSQTMJHBYJMQ-UHFFFAOYSA-N aluminum;magnesium;silicate Chemical compound [Mg+2].[Al+3].[O-][Si]([O-])([O-])[O-] WMGSQTMJHBYJMQ-UHFFFAOYSA-N 0.000 description 1
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 1
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- -1 oxides Chemical class 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
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- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- 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
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/76—Iron group metals or copper
- B01J29/763—CHA-type, e.g. Chabazite, LZ-218
-
- 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
-
- 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
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
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- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
- B01J29/072—Iron group metals or copper
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- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- 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
- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/76—Iron group metals or copper
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- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/80—Mixtures of different zeolites
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- B01J35/19—
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- B01J35/56—
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- 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
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- 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
- B01J37/0246—Coatings comprising a zeolite
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0842—Nitrogen oxides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20761—Copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/903—Multi-zoned catalysts
- B01D2255/9032—Two zones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/915—Catalyst supported on particulate filters
- B01D2255/9155—Wall flow filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/92—Dimensions
- B01D2255/9205—Porosity
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- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
- B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
Abstract
Description
壁流フィルタは、壁流フィルタの第1の端部と第2の端部との間に平行に延在し、第1の端部又は第2の端部のいずれかにおいて気密な様態で交互に封止され、多孔性壁によって分離される、長さLのチャネルを備え、SCR触媒活性材料Aは、イオン交換鉄及び/又は銅を含有する、チャバザイト構造型のゼオライトを含有し、SCR触媒活性材料Bは、イオン交換鉄及び/又は銅を含有する、レビナイト構造型のゼオライトを含有し、
(i)SCR触媒活性材料A及びBは、2つの材料ゾーンA及びBの形態で存在し、材料ゾーンAは、少なくとも長さLの一部にわたって壁流フィルタの第1の端部から延在し、材料ゾーンBは、少なくとも長さLの一部にわたって壁流フィルタの第2の端部から延在し、
又は
(ii)壁流フィルタは、SCR触媒活性材料A及びマトリックス成分から形成され、SCR触媒活性材料Bは、少なくとも壁流フィルタの長さLの一部にわたって材料ゾーンBの形態で延在し、
又は
(iii)壁流フィルタは、SCR触媒活性の材料B及びマトリックス成分から形成され、SCR触媒活性材料Aは、少なくとも壁流フィルタの長さLの一部にわたって材料ゾーンAの形態で延在する。
SCR触媒活性材料は、互いに異なる少なくとも2つの材料ゾーンA及びBの形態で存在し、
材料ゾーンAは、少なくとも長さLの一部にわたって壁流フィルタの第1の端部から延在し、
材料ゾーンBは、少なくとも長さLの一部にわたって壁流フィルタの第2の端部から延在し、
材料ゾーンAが、イオン交換鉄及び/又は銅を含有する、チャバザイト構造型のゼオライトを含み、
材料ゾーンBが、イオン交換鉄及び/又は銅を含有する、レビナイト構造型のゼオライトを含むことを特徴とする。
a)コーディエライトで作製された従来の壁流フィルタを、一方の端部から始まるその長さの50%にわたって、ウォッシュコートによる従来の浸漬方法によってコーティングしたが、このウォッシュコートは、4.0重量%のCuと交換されたチャバザイト構造型のアルミノケイ酸塩ゼオライトを含有した。ゼオライトのSAR値は、30であった。次いで、フィルタを120℃で乾燥した。
b)第2の工程において、工程a)で得られた壁流フィルタを、その他方の端部から始まるその長さの50%にわたって、従来の浸漬方法によって同様にコーティングしたが、このウォッシュコートは、3.5重量%のCuと交換されたレビナイト構造型のアルミノケイ酸塩ゼオライトを含有した。ゼオライトのSAR値は、31であった。次いで、500℃で2時間の乾燥及び焼成を行った。
c)モデルガスシステムの動的なSCR試験において、モデルガスは、最初にCuチャバザイトと接触し、次いでCuレビナイトと接触し、そのように得られた壁流フィルタは、非常に良好な、すなわち250℃から550℃を超える範囲でのNOx変換を示す。
Claims (14)
- 壁流フィルタ、並びに互いに異なる2つのSCR触媒活性材料A及びBを備える粒子フィルタであって、
前記壁流フィルタが、前記壁流フィルタの第1の端部と第2の端部との間に平行に延在し、前記第1の端部又は前記第2の端部のいずれかにおいて気密な様態で交互に封止され、多孔性壁によって分離される、長さLのチャネルを備え、前記SCR触媒活性材料Aが、イオン交換鉄及び/又は銅を含有する、チャバザイト構造型のゼオライトを含有し、前記SCR触媒活性材料Bが、イオン交換鉄及び/又は銅を含有する、レビナイト構造型のゼオライトを含有し、
(i)前記SCR触媒活性材料A及びBが、2つの材料ゾーンA及びBの形態で存在し、前記材料ゾーンAが、少なくとも長さLの一部にわたって前記壁流フィルタの前記第1の端部から延在し、前記材料ゾーンBが、少なくとも長さLの一部にわたって前記壁流フィルタの前記第2の端部から延在し、
又は
(ii)前記壁流フィルタが、前記SCR触媒活性材料A及びマトリックス成分から形成され、前記SCR触媒活性材料Bが、少なくとも前記壁流フィルタの前記長さLの一部にわたって材料ゾーンBの形態で延在し、
又は
(iii)前記壁流フィルタが、前記SCR触媒活性の材料B及びマトリックス成分から形成され、前記SCR触媒活性材料Aが、少なくとも前記壁流フィルタの前記長さLの一部にわたって材料ゾーンAの形態で延在する、粒子フィルタ。 - 前記チャバザイト構造型の前記ゼオライトが、6〜40のSAR値を有することを特徴とする、請求項1に記載の粒子フィルタ。
- 前記レビナイト構造型の前記ゼオライトが、15を超えるSAR値を有することを特徴とする、請求項1及び/又は請求項2に記載の粒子フィルタ。
- 前記チャバザイト構造型の前記ゼオライト及び前記レビナイト構造型の前記ゼオライトの両方が、イオン交換銅を含有することを特徴とする、請求項1〜3の一項以上に記載の粒子フィルタ。
- 前記チャバザイト構造型の前記ゼオライト中の、及び前記レビナイト構造型の前記ゼオライト中の前記銅が、CuOとして交換ゼオライトの総重量に関して算出したときに、互いに独立して、それぞれ0.2〜6重量%の量で存在することを特徴とする、請求項4に記載の粒子フィルタ。
- 前記チャバザイト構造型の前記ゼオライト中の、及び前記レビナイト構造型の前記ゼオライト中の、銅とアルミニウムとの原子比率が、互いに独立して、0.25〜0.6であることを特徴とする、請求項1〜5の一項以上に記載の粒子フィルタ。
- 20〜80重量%の前記触媒活性材料が、材料ゾーンBにあることを特徴とする、請求項1〜6の一項以上に記載の粒子フィルタ。
- 材料ゾーンAが、前記粒子フィルタの長さの全体にわたって延在し、材料ゾーンBが、前記粒子フィルタの前記長さLの10〜80%にわたって前記粒子フィルタの前記第2の端部から延在することを特徴とする、請求項1〜7の一項以上に記載の粒子フィルタ。
- 材料ゾーンAが、前記粒子フィルタの前記長さLの20〜90%にわたって前記粒子フィルタの前記第1の端部から延在し、材料ゾーンBが、前記粒子フィルタの前記長さLの10〜70%にわたって前記粒子フィルタの前記第2の端部から延在することを特徴とする、請求項1〜7の一項以上に記載の粒子フィルタ。
- 材料ゾーンAが、前記粒子フィルタの前記長さLの20〜90%にわたって前記粒子フィルタの前記第1の端部から延在し、材料ゾーンBが、前記粒子フィルタの前記長さLの全体にわたって延在することを特徴とする、請求項1〜7の一項以上に記載の粒子フィルタ。
- リーン運転の燃焼エンジンの排気ガスを浄化するための方法であって、前記排気ガスが、請求項1〜10の一項以上に記載の粒子フィルタ全体にわたって方向付けられ、前記SCR触媒活性材料Aが、前記触媒活性材料Bよりも先に浄化されるべき前記排気ガスと接触することを特徴とする、方法。
- リーン運転の燃焼エンジンの排気ガスを浄化するためのシステムであって、前記システムが、請求項1〜10の一項以上に記載の粒子フィルタ、並びに尿素水溶液用の注入器を備え、前記注入器が、前記壁流フィルタの前記第1の端部の前に位置付けられることを特徴とする、システム。
- 前記システムが、前記排気ガスの流れの方向において、酸化触媒、尿素水溶液用の注入器、及び請求項1〜10の一項以上に記載の粒子フィルタを有し、前記注入器が、前記壁流フィルタの前記第1の端部の前に位置付けられることを特徴とする、請求項12に記載のシステム。
- 担体材料上の白金が、酸化触媒として使用されることを特徴とする、請求項13に記載のシステム。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010524677A (ja) * | 2007-04-26 | 2010-07-22 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | 遷移金属/ゼオライトscr触媒 |
JP2013532049A (ja) * | 2010-05-05 | 2013-08-15 | ビー・エイ・エス・エフ、コーポレーション | 触媒化煤煙フィルターおよび排出処理システムおよび方法 |
JP2014528350A (ja) * | 2011-07-28 | 2014-10-27 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Publiclimited Company | 排ガスの処理のためのゾーン触媒フィルター |
JP2015155365A (ja) * | 2013-06-14 | 2015-08-27 | 東ソー株式会社 | Lev型ゼオライト及びこれを含む窒素酸化物還元触媒、並びに窒素酸化物還元方法 |
JP2017522170A (ja) * | 2014-05-16 | 2017-08-10 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company | 排ガスを処理するための触媒物品 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01151706A (ja) | 1987-12-08 | 1989-06-14 | Toyota Central Res & Dev Lab Inc | 可燃性微粒子と窒素酸化物を除去するための触媒及びフィルター |
US7229597B2 (en) | 2003-08-05 | 2007-06-12 | Basfd Catalysts Llc | Catalyzed SCR filter and emission treatment system |
US8365517B2 (en) * | 2009-06-11 | 2013-02-05 | GM Global Technology Operations LLC | Apparatus and method for regenerating an exhaust filter |
CA2888512C (en) * | 2012-10-19 | 2020-09-22 | Basf Corporation | Mixed metal 8-ring small pore molecular sieve catalyst compositions, catalytic articles, systems and methods |
US9878198B2 (en) * | 2013-10-27 | 2018-01-30 | Five Rings Design LLC | Weight lifting and strength training platforms and pulling blocks |
GB2520776A (en) * | 2013-12-02 | 2015-06-03 | Johnson Matthey Plc | Wall-flow filter comprising catalytic washcoat |
US20150231617A1 (en) * | 2014-02-19 | 2015-08-20 | Ford Global Technologies, Llc | Fe-SAPO-34 CATALYST FOR USE IN NOX REDUCTION AND METHOD OF MAKING |
US9925492B2 (en) * | 2014-03-24 | 2018-03-27 | Mellanox Technologies, Ltd. | Remote transactional memory |
WO2015193210A1 (en) * | 2014-06-16 | 2015-12-23 | Umicore Ag & Co. Kg | Exhaust gas treatment system |
EP2985068A1 (de) * | 2014-08-13 | 2016-02-17 | Umicore AG & Co. KG | Katalysator-System zur Reduktion von Stickoxiden |
WO2016057456A1 (en) * | 2014-10-07 | 2016-04-14 | Johnson Matthey Public Limited Company | Molecular sieve catalyst for treating exhaust gas |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010524677A (ja) * | 2007-04-26 | 2010-07-22 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | 遷移金属/ゼオライトscr触媒 |
JP2013532049A (ja) * | 2010-05-05 | 2013-08-15 | ビー・エイ・エス・エフ、コーポレーション | 触媒化煤煙フィルターおよび排出処理システムおよび方法 |
JP2014528350A (ja) * | 2011-07-28 | 2014-10-27 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Publiclimited Company | 排ガスの処理のためのゾーン触媒フィルター |
JP2015155365A (ja) * | 2013-06-14 | 2015-08-27 | 東ソー株式会社 | Lev型ゼオライト及びこれを含む窒素酸化物還元触媒、並びに窒素酸化物還元方法 |
JP2017522170A (ja) * | 2014-05-16 | 2017-08-10 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company | 排ガスを処理するための触媒物品 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019156394A (ja) * | 2019-06-17 | 2019-09-19 | 株式会社環境資源開発コンサルタント | 係留アンカー装置 |
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