CN101198404A - 废气净化催化剂 - Google Patents
废气净化催化剂 Download PDFInfo
- Publication number
- CN101198404A CN101198404A CNA2006800213548A CN200680021354A CN101198404A CN 101198404 A CN101198404 A CN 101198404A CN A2006800213548 A CNA2006800213548 A CN A2006800213548A CN 200680021354 A CN200680021354 A CN 200680021354A CN 101198404 A CN101198404 A CN 101198404A
- Authority
- CN
- China
- Prior art keywords
- exhaust gas
- gas purifying
- purifying catalyst
- earth element
- noble metal
- 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 144
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 49
- 239000006104 solid solution Substances 0.000 claims abstract description 46
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 34
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 25
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002131 composite material Substances 0.000 claims description 58
- 229910052684 Cerium Inorganic materials 0.000 claims description 26
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052788 barium Inorganic materials 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 14
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 137
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 113
- 229910052697 platinum Inorganic materials 0.000 description 54
- 238000000034 method Methods 0.000 description 27
- 239000000843 powder Substances 0.000 description 25
- 239000000126 substance Substances 0.000 description 18
- 239000007864 aqueous solution Substances 0.000 description 17
- 238000001228 spectrum Methods 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- ITHZDDVSAWDQPZ-UHFFFAOYSA-L barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000005245 sintering Methods 0.000 description 9
- 239000008367 deionised water Substances 0.000 description 8
- 229910021641 deionized water Inorganic materials 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 229910000420 cerium oxide Inorganic materials 0.000 description 7
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 239000002912 waste gas Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 229910052746 lanthanum Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000006722 reduction reaction Methods 0.000 description 6
- 229910052779 Neodymium Inorganic materials 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 206010058490 Hyperoxia Diseases 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 230000000222 hyperoxic effect Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 235000012970 cakes Nutrition 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229910052809 inorganic oxide Inorganic materials 0.000 description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 3
- 238000002386 leaching Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- DKEUYXJXQSBKBQ-UHFFFAOYSA-N oxygen(2-);zirconium(4+);dinitrate Chemical compound [O-2].[Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O DKEUYXJXQSBKBQ-UHFFFAOYSA-N 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- ZXVONLUNISGICL-UHFFFAOYSA-N 4,6-dinitro-o-cresol Chemical group CC1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1O ZXVONLUNISGICL-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- NWAHZABTSDUXMJ-UHFFFAOYSA-N platinum(2+);dinitrate Chemical compound [Pt+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O NWAHZABTSDUXMJ-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000007811 spectroscopic assay Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- NGDQQLAVJWUYSF-UHFFFAOYSA-N 4-methyl-2-phenyl-1,3-thiazole-5-sulfonyl chloride Chemical compound S1C(S(Cl)(=O)=O)=C(C)N=C1C1=CC=CC=C1 NGDQQLAVJWUYSF-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 150000001553 barium compounds Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- DRVWBEJJZZTIGJ-UHFFFAOYSA-N cerium(3+);oxygen(2-) Chemical group [O-2].[O-2].[O-2].[Ce+3].[Ce+3] DRVWBEJJZZTIGJ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000021463 dry cake Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- CFYGEIAZMVFFDE-UHFFFAOYSA-N neodymium(3+);trinitrate Chemical compound [Nd+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O CFYGEIAZMVFFDE-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 229910003446 platinum oxide Inorganic materials 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
-
- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
-
- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- 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
- B01J37/0205—Impregnation in several steps
-
- 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
- B01J37/03—Precipitation; Co-precipitation
-
- 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
- B01J37/08—Heat treatment
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
-
- 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
- B01D2255/20715—Zirconium
-
- 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
- B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
- B01J2235/15—X-ray diffraction
-
- 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
- B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
- B01J2235/30—Scanning electron microscopy; Transmission electron microscopy
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/34—Mechanical properties
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/613—10-100 m2/g
-
- 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
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
催化剂组成 | AE/(RE+Zr)(%) | 固溶体形成比率(%) | 50%纯化温度(℃) | |||||||
Ce(原子%) | Zr(原子%) | Y(原子%) | La(原子%) | Nd(原子%) | Pt(重量%) | HC | NOx | |||
实施例1 | 50 | 50 | 0 | 0 | 0 | 1 | 10 | 45 | 305 | 320 |
实施例2 | 50 | 50 | 0 | 0 | 0 | 1 | 30 | 65 | 290 | 285 |
实施例3 | 50 | 50 | 0 | 0 | 0 | 1 | 50 | 70 | 295 | 290 |
实施例4 | 50 | 50 | 0 | 0 | 0 | 1 | 80 | 85 | 305 | 300 |
实施例5 | 50 | 50 | 0 | 0 | 0 | 1 | 100 | 85 | 315 | 330 |
实施例6 | 45 | 50 | 5 | 0 | 0 | 1 | 30 | 80 | 285 | 280 |
实施例7 | 50 | 35 | 0 | 10 | 5 | 1 | 30 | 70 | 290 | 283 |
对比例 | 50 | 50 | 0 | 0 | 0 | 1 | 0 | 0 | 325 | 340 |
Claims (16)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005176522A JP4979900B2 (ja) | 2005-06-16 | 2005-06-16 | 排ガス浄化用触媒 |
JP176522/2005 | 2005-06-16 | ||
PCT/JP2006/311106 WO2006134787A1 (ja) | 2005-06-16 | 2006-06-02 | 排ガス浄化用触媒 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101198404A true CN101198404A (zh) | 2008-06-11 |
CN101198404B CN101198404B (zh) | 2012-10-10 |
Family
ID=37532151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800213548A Expired - Fee Related CN101198404B (zh) | 2005-06-16 | 2006-06-02 | 废气净化催化剂 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8133839B2 (zh) |
EP (2) | EP2698197A1 (zh) |
JP (1) | JP4979900B2 (zh) |
CN (1) | CN101198404B (zh) |
WO (1) | WO2006134787A1 (zh) |
ZA (1) | ZA200710440B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109982777A (zh) * | 2016-10-04 | 2019-07-05 | 庄信万丰股份有限公司 | NOx吸附剂催化剂 |
CN113557076A (zh) * | 2019-03-22 | 2021-10-26 | 株式会社村田制作所 | 废气净化催化剂以及废气处理装置 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BRPI0621483A2 (pt) * | 2006-03-28 | 2011-12-13 | Toyota Motor Co Ltd | catalisador para purificação de gás exaurido, método de regeneração para o catalisador, e mecanismo e método para a purificação de gás exaurido utilizando o catalisador |
JP4775954B2 (ja) * | 2006-03-28 | 2011-09-21 | 株式会社豊田中央研究所 | 排ガス浄化用触媒及びその再生方法 |
JP4997176B2 (ja) * | 2008-06-05 | 2012-08-08 | ダイハツ工業株式会社 | 排ガス浄化用触媒組成物 |
JP5396118B2 (ja) * | 2009-03-25 | 2014-01-22 | 三井金属鉱業株式会社 | 内燃機関排気ガス浄化用触媒材料及び内燃機関排気ガス浄化用触媒 |
JP5621109B2 (ja) * | 2009-08-06 | 2014-11-05 | 株式会社キャタラー | 排ガス浄化用触媒 |
JP5942550B2 (ja) * | 2011-08-22 | 2016-06-29 | マツダ株式会社 | 粒子状物質燃焼触媒及びその製造方法 |
JP5576420B2 (ja) * | 2012-03-21 | 2014-08-20 | トヨタ自動車株式会社 | 排ガス浄化触媒 |
GB2554859A (en) * | 2016-10-04 | 2018-04-18 | Johnson Matthey Plc | NOx adsorber catalyst |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0644999B2 (ja) | 1988-04-30 | 1994-06-15 | 株式会社豊田中央研究所 | 排気ガス浄化用触媒 |
CA2064977C (en) * | 1991-04-05 | 1998-09-22 | Eiichi Shiraishi | Catalyst for purifying exhaust gas |
JP2690661B2 (ja) * | 1991-06-10 | 1997-12-10 | 株式会社日本触媒 | 排気ガス浄化用触媒およびこれを用いてなる浄化システム |
JPH0675675A (ja) | 1991-06-24 | 1994-03-18 | Mitsubishi Electric Corp | キーボード |
JP2581872B2 (ja) | 1992-05-15 | 1997-02-12 | エヌ・イーケムキャット株式会社 | 耐熱性に優れた内燃機関排気ガス浄化用触媒及びその製造方法 |
JPH0699069A (ja) * | 1992-09-18 | 1994-04-12 | Cataler Kogyo Kk | 排気ガス浄化用触媒 |
FR2714370B1 (fr) * | 1993-12-24 | 1996-03-08 | Rhone Poulenc Chimie | Précurseur d'une composition et composition à base d'un oxyde mixte de cérium et de zirconium, procédé de préparation et utilisation. |
JP3304771B2 (ja) | 1995-07-20 | 2002-07-22 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
JP3262044B2 (ja) * | 1996-10-07 | 2002-03-04 | 株式会社豊田中央研究所 | 複合酸化物担体および複合酸化物含有触媒 |
DE69728341T2 (de) * | 1996-10-07 | 2004-12-30 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Verbundoxid, Verbundoxidträger und Katalysator |
JP3568728B2 (ja) * | 1997-02-04 | 2004-09-22 | ダイハツ工業株式会社 | 酸素吸蔵性セリウム系複合酸化物 |
JP2000169148A (ja) | 1998-12-02 | 2000-06-20 | Daihatsu Motor Co Ltd | セリウム系複合酸化物 |
US6335305B1 (en) * | 1999-01-18 | 2002-01-01 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Catalyst for purifying exhaust gas |
US6881384B1 (en) * | 1999-08-30 | 2005-04-19 | Daihatsu Motor Co., Ltd. | Catalytic converter for cleaning exhaust gas |
JP3757715B2 (ja) | 1999-11-09 | 2006-03-22 | トヨタ自動車株式会社 | 排気ガス浄化用触媒 |
MXPA02006446A (es) * | 1999-12-28 | 2002-11-29 | Corning Inc | Composiciones de soporte de catalizador de zeolita/alumina y metodos para elaborarlas. |
US6387338B1 (en) * | 2000-03-15 | 2002-05-14 | Delphi Technologies, Inc. | Preparation of multi-component Ce, Zr, Mox high oxygen-ion-conduct/oxygen-storage-capacity materials |
JP3818062B2 (ja) * | 2001-01-10 | 2006-09-06 | トヨタ自動車株式会社 | 排気ガス浄化用触媒 |
JP2003072262A (ja) * | 2001-09-03 | 2003-03-12 | Motoji Fujimoto | 付箋帳 |
JP4546046B2 (ja) * | 2002-10-11 | 2010-09-15 | ダイハツ工業株式会社 | 排ガス浄化用触媒 |
US7576032B2 (en) * | 2003-12-17 | 2009-08-18 | Daihatsu Motor Co., Ltd. | Catalyst composition |
US7399728B2 (en) * | 2003-12-19 | 2008-07-15 | Umicore Ag & Co Kg | Catalyst formulation, exhaust system, and gas treatment device |
JP4959129B2 (ja) * | 2004-02-16 | 2012-06-20 | 株式会社キャタラー | 排ガス浄化用触媒 |
-
2005
- 2005-06-16 JP JP2005176522A patent/JP4979900B2/ja not_active Expired - Fee Related
-
2006
- 2006-06-02 EP EP13005016.4A patent/EP2698197A1/en not_active Withdrawn
- 2006-06-02 US US11/915,317 patent/US8133839B2/en not_active Expired - Fee Related
- 2006-06-02 CN CN2006800213548A patent/CN101198404B/zh not_active Expired - Fee Related
- 2006-06-02 WO PCT/JP2006/311106 patent/WO2006134787A1/ja active Application Filing
- 2006-06-02 EP EP06756927A patent/EP1913999A4/en not_active Withdrawn
-
2007
- 2007-12-03 ZA ZA200710440A patent/ZA200710440B/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109982777A (zh) * | 2016-10-04 | 2019-07-05 | 庄信万丰股份有限公司 | NOx吸附剂催化剂 |
CN113557076A (zh) * | 2019-03-22 | 2021-10-26 | 株式会社村田制作所 | 废气净化催化剂以及废气处理装置 |
CN113557076B (zh) * | 2019-03-22 | 2024-04-02 | 株式会社村田制作所 | 废气净化催化剂以及废气处理装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1913999A4 (en) | 2009-02-11 |
ZA200710440B (en) | 2008-11-26 |
JP4979900B2 (ja) | 2012-07-18 |
US20090036300A1 (en) | 2009-02-05 |
US8133839B2 (en) | 2012-03-13 |
JP2006346587A (ja) | 2006-12-28 |
EP1913999A1 (en) | 2008-04-23 |
CN101198404B (zh) | 2012-10-10 |
WO2006134787A1 (ja) | 2006-12-21 |
EP2698197A1 (en) | 2014-02-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101198404B (zh) | 废气净化催化剂 | |
CN101300071B (zh) | 排气净化用催化剂 | |
CN100453173C (zh) | 废气净化催化剂 | |
US7641875B1 (en) | Mixed-phase ceramic oxide three-way catalyst formulations and methods for preparing the catalysts | |
JP5194397B2 (ja) | 排ガス浄化触媒及びその製造方法 | |
CN102327775B (zh) | 排气净化用催化剂 | |
EP2528683A1 (en) | Mixed-phase ceramic oxide three-way catalyst formulations and methods for preparing the catalysts | |
CN101111310B (zh) | 废气净化催化剂 | |
CA2632746A1 (en) | Exhaust gas purification catalyst and exhaust gas purification catalyst member | |
JPWO2007052821A1 (ja) | 触媒担体粒子、排ガス浄化触媒、及びそれらの製造方法 | |
JP2004243305A (ja) | 排ガス浄化用触媒 | |
EP2155366B1 (en) | Oxygen storage/release material and exhaust gas purifying catalyst comprising the same | |
CN101484240B (zh) | 储氧材料 | |
JP5196656B2 (ja) | 排ガス浄化用触媒及びその製造方法 | |
JP5118885B2 (ja) | 酸素吸放出材及びそれを含む排ガス浄化用触媒 | |
US20090156395A1 (en) | Method for Preparing Metal Oxide Containing Precious Metals | |
JPH1190229A (ja) | 排ガス浄化用触媒 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: DAIHATSU MOTOR CO., LTD. Effective date: 20120828 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20120828 Address after: Shizuoka Applicant after: Cataler Corp. Address before: Shizuoka Applicant before: Cataler Corp. Applicant before: Daihatsu Motor Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20170602 |
|
CF01 | Termination of patent right due to non-payment of annual fee |