RU2013157560A - Катализатор окисления выхлопных газов - Google Patents

Катализатор окисления выхлопных газов Download PDF

Info

Publication number
RU2013157560A
RU2013157560A RU2013157560/04A RU2013157560A RU2013157560A RU 2013157560 A RU2013157560 A RU 2013157560A RU 2013157560/04 A RU2013157560/04 A RU 2013157560/04A RU 2013157560 A RU2013157560 A RU 2013157560A RU 2013157560 A RU2013157560 A RU 2013157560A
Authority
RU
Russia
Prior art keywords
catalyst
exhaust gas
catalyst layer
layer
hydrocarbon adsorbent
Prior art date
Application number
RU2013157560/04A
Other languages
English (en)
Other versions
RU2584420C2 (ru
Inventor
Такеси КАДОНО
Сатоси СУМИЯ
Лифенг ВАНГ
Original Assignee
Джонсон Мэтти Плс
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Джонсон Мэтти Плс filed Critical Джонсон Мэтти Плс
Publication of RU2013157560A publication Critical patent/RU2013157560A/ru
Application granted granted Critical
Publication of RU2584420C2 publication Critical patent/RU2584420C2/ru

Links

Classifications

    • 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
    • B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
    • 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
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • 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
    • B01D53/02—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 by adsorption, e.g. preparative gas chromatography
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/864—Removing carbon monoxide or hydrocarbons
    • 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
    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44—Palladium
    • 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
    • B01J29/40—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
    • B01J29/42—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 iron group metals, noble metals or copper
    • B01J29/44—Noble metals
    • 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
    • B01J29/74—Noble metals
    • B01J29/7415—Zeolite Beta
    • 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
    • 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
    • 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
    • B01J35/19—Catalysts containing parts with different compositions
    • 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
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • 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
    • 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
    • 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
    • F01N3/2825—Ceramics
    • F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
    • 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
    • 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
    • B01D2255/1023—Palladium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B01D2255/407—Zr-Ce mixed oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B01D2255/502—Beta zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/50—Zeolites
    • B01D2255/504—ZSM 5 zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/902—Multilayered catalyst
    • B01D2255/9025—Three layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/908—O2-storage component incorporated in the catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/912—HC-storage component incorporated in the catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B01D2258/012—Diesel engines and lean burn gasoline engines
    • 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
    • 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
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/42—Addition of matrix or binder particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • 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
    • B01J23/48—Silver or gold
    • 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
    • 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
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/10—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing iron group metals, noble metals or copper
    • 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
    • B01J29/65—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively
    • B01J29/66—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively containing iron group metals, noble metals or copper
    • B01J29/67—Noble metals
    • 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
    • B01J29/74—Noble metals
    • B01J29/743—CHA-type, e.g. Chabazite, LZ-218
    • 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
    • B01J35/396—Distribution of the active metal ingredient
    • 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
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/063—Surface coverings for exhaust purification, e.g. catalytic reaction zeolites
    • 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
    • F01N2510/00—Surface coverings
    • F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
    • F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
    • F01N2510/0684—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having more than one coating layer, e.g. multi-layered coatings
    • 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
    • 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
    • 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
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

1. Катализатор окисления выхлопных газов, характеризующийся тем, что он содержит подложку катализатора, в которой сформировано множество каналов для выхлопного газа, и слой катализатора, сформированный на поверхности каналов для выхлопного газа в подложке катализатора; в котором слой катализатора, состоящий из нижнего слоя катализатора, верхнего слоя катализатора, обращенного наружной стороной внутрь каналов для выхлопного газа, и промежуточного слоя катализатора, расположенного между нижним слоем катализатора и верхним слоем катализатора, выполнен таким образом, чтобы он покрывал не менее 25% от поверхности канала для выхлопного газа, и в котором нижний слой катализатора содержит, по меньшей мере, кислородопоглощающий агент в качестве компонента катализатора, но не содержит адсорбента углеводорода, причем промежуточный слой катализатора содержит, по меньшей мере, металлический катализатор, нанесенный на носитель из оксида металла, и адсорбент углеводорода в качестве компонентов катализатора, а верхний слой катализатора содержит, по меньшей мере, кислородопоглощающий агент и адсорбент углеводорода в качестве компонентов катализатора.2. Катализатор окисления выхлопных газов по п. 1, в котором промежуточный слой катализатора состоит из двух или более слоев, которые имеют различные компоненты катализатора и/или обладают различными содержаниями компонентов катализатора.3. Катализатор окисления выхлопных газов по п. 1 или 2, вкотором, помимо кислородопоглощающего агента и адсорбента углеводорода, верхний слой катализатора также содержит металлический катализатор, нанесенный на носитель из оксида метал�

Claims (18)

1. Катализатор окисления выхлопных газов, характеризующийся тем, что он содержит подложку катализатора, в которой сформировано множество каналов для выхлопного газа, и слой катализатора, сформированный на поверхности каналов для выхлопного газа в подложке катализатора; в котором слой катализатора, состоящий из нижнего слоя катализатора, верхнего слоя катализатора, обращенного наружной стороной внутрь каналов для выхлопного газа, и промежуточного слоя катализатора, расположенного между нижним слоем катализатора и верхним слоем катализатора, выполнен таким образом, чтобы он покрывал не менее 25% от поверхности канала для выхлопного газа, и в котором нижний слой катализатора содержит, по меньшей мере, кислородопоглощающий агент в качестве компонента катализатора, но не содержит адсорбента углеводорода, причем промежуточный слой катализатора содержит, по меньшей мере, металлический катализатор, нанесенный на носитель из оксида металла, и адсорбент углеводорода в качестве компонентов катализатора, а верхний слой катализатора содержит, по меньшей мере, кислородопоглощающий агент и адсорбент углеводорода в качестве компонентов катализатора.
2. Катализатор окисления выхлопных газов по п. 1, в котором промежуточный слой катализатора состоит из двух или более слоев, которые имеют различные компоненты катализатора и/или обладают различными содержаниями компонентов катализатора.
3. Катализатор окисления выхлопных газов по п. 1 или 2, в
котором, помимо кислородопоглощающего агента и адсорбента углеводорода, верхний слой катализатора также содержит металлический катализатор, нанесенный на носитель из оксида металла.
4. Катализатор окисления выхлопных газов по п. 3, в котором 1-10 мас.% от всего содержания металлического катализатора содержится в верхнем слое катализатора.
5. Катализатор окисления выхлопных газов по п. 1 или 2, в котором металлический катализатор представляет собой платину, палладий, иридий, золото, серебро или смесь платины и палладия.
6. Катализатор окисления выхлопных газов по п. 1 или 2, в котором каждый из промежуточного и верхнего слоев катализатора содержит 0,2-5,0 мас.% металлического катализатора относительно комбинированной массы металлического катализатора и оксида металла.
7. Катализатор окисления выхлопных газов по п. 1 или 2, в котором адсорбент углеводорода в верхнем слое катализатора или промежуточном слое катализатора представляет собой структуру цеолита или металлосиликата, в которой атомы кремния или алюминия в кристаллической решетке цеолита замещены атомами переходного металла.
8. Катализатор окисления выхлопных газов по п. 7, в котором цеолит представляет собой цеолит типа BEA, FAU, MFI, FER или CHA или смесь любых двух или более из них.
9. Катализатор окисления выхлопных газов по п. 1 или 2, в котором кислородопоглощающий агент в верхнем слое катализатора и нижнем слое катализатора представляет собой оксид церия, сложный
оксид церия и циркония, или же оксид церия или сложный оксид церия и циркония, к которому был добавлен лантан, празеодим или неодим.
10. Катализатор окисления выхлопных газов по п. 1 или 2, содержащий 10-20 г/л кислородопоглощающего агента, 5-30 г/л адсорбента углеводорода и 0,1-5,0 г/л металлического катализатора.
11. Катализатор окисления выхлопных газов по п. 1 или 2, в котором 20-50 мас.% от общего содержания кислородопоглощающего агента содержится в нижнем слое.
12. Катализатор окисления выхлопных газов по п. 1 или 2, в котором 30-50 мас.% от общего содержания адсорбента углеводорода содержится в верхнем слое катализатора.
13. Катализатор окисления выхлопных газов по п. 1 или 2, в котором 30-50 мас.% от общего содержания адсорбента углеводорода содержится в промежуточном слое катализатора, а 50-70 мас.% от общего содержания адсорбента углеводорода содержится в верхнем слое катализатора.
14. Катализатор окисления выхлопных газов по п. 1 или 2, в котором подложка катализатора имеет сотовидную цилиндрическую форму, в которой каналы для выхлопного газа проходят от одной поверхности насквозь к другой поверхности цилиндра; или форму волокнистого пористого тела, форму листа или керамическую форму.
15. Катализатор окисления выхлопных газов по п. 1 или 2, в котором подложка катализатора и нижний слой катализатора сформированы как одно целое в виде сотовидного цилиндра.
16. Катализатор окисления выхлопных газов по п. 1 или 2, в
котором нижний слой образован из суспензии, нанесенной на подложку катализатора.
17. Система выпуска для дизельного двигателя внутреннего сгорания, содержащая катализатор окисления выхлопных газов по п. 1 или 2.
18. Система выпуска по п. 16, содержащая фильтр для задержания частиц, выпускаемых из дизельного двигателя.
RU2013157560/04A 2011-05-25 2012-05-25 Катализатор окисления выхлопных газов RU2584420C2 (ru)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP2011117314A JP5789126B2 (ja) 2011-05-25 2011-05-25 排ガス酸化触媒
JP2011-117314 2011-05-25
US201261586447P 2012-01-13 2012-01-13
US61/586,447 2012-01-13
GB1201218.3A GB2494218B (en) 2011-05-25 2012-01-25 Exhaust gas oxidation catalyst
GB1201218.3 2012-01-25
PCT/GB2012/051190 WO2012160391A1 (en) 2011-05-25 2012-05-25 Exhaust gas oxidation catalyst

Publications (2)

Publication Number Publication Date
RU2013157560A true RU2013157560A (ru) 2015-06-27
RU2584420C2 RU2584420C2 (ru) 2016-05-20

Family

ID=45840912

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2013157560/04A RU2584420C2 (ru) 2011-05-25 2012-05-25 Катализатор окисления выхлопных газов

Country Status (10)

Country Link
US (1) US8765067B1 (ru)
EP (1) EP2714247B1 (ru)
JP (1) JP5789126B2 (ru)
KR (1) KR20140045396A (ru)
CN (1) CN103561850A (ru)
BR (1) BR112013030110A2 (ru)
DE (1) DE102012208876B4 (ru)
GB (1) GB2494218B (ru)
RU (1) RU2584420C2 (ru)
WO (1) WO2012160391A1 (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5310767B2 (ja) * 2011-03-29 2013-10-09 トヨタ自動車株式会社 排ガス浄化触媒
JP5938819B2 (ja) 2011-10-06 2016-06-22 ジョンソン、マッセイ、パブリック、リミテッド、カンパニーＪｏｈｎｓｏｎ Ｍａｔｔｈｅｙ Ｐｕｂｌｉｃ Ｌｉｍｉｔｅｄ Ｃｏｍｐａｎｙ 排気ガス処理用酸化触媒
JP6194648B2 (ja) * 2013-06-07 2017-09-13 東ソー株式会社 石油樹脂製造用触媒およびそれを用いた石油樹脂の製造方法
EP3119500A4 (en) * 2014-03-21 2017-12-13 SDC Materials, Inc. Compositions for passive nox adsorption (pna) systems
GB201405868D0 (en) * 2014-04-01 2014-05-14 Johnson Matthey Plc Diesel oxidation catalyst with NOx adsorber activity
DE102015209987A1 (de) * 2014-06-04 2015-12-10 Johnson Matthey Public Limited Company Nicht-PGM-Ammoniakschlupfkatalysator
CN107405606B (zh) 2015-02-09 2021-09-10 巴斯夫公司 柴油机氧化催化剂
CN113795327A (zh) * 2019-05-22 2021-12-14 巴斯夫公司 包含柴油氧化催化剂和低温nox吸附剂的协调排放控制***
CN112547115A (zh) * 2019-09-26 2021-03-26 中国石油化工股份有限公司 一种废气净化多效催化剂及废气净化方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0614398B1 (en) 1991-11-26 2000-03-08 Engelhard Corporation Oxidation catalyst and method of use
JP3574655B2 (ja) 1991-11-26 2004-10-06 エンゲルハード・コーポレーシヨン 改良されたセリア−アルミナ酸化触媒および使用方法
US6221804B1 (en) * 1998-01-27 2001-04-24 Mazda Motor Corporation Catalyst for purifying exhaust gas and manufacturing method thereof
JP3724708B2 (ja) * 1999-11-26 2005-12-07 日産自動車株式会社 排気ガス浄化用触媒
JP3664019B2 (ja) * 1999-12-27 2005-06-22 日産自動車株式会社 触媒コンバータ
US6617276B1 (en) * 2000-07-21 2003-09-09 Johnson Matthey Public Limited Company Hydrocarbon trap/catalyst for reducing cold-start emissions from internal combustion engines
JP4631230B2 (ja) 2001-08-03 2011-02-16 マツダ株式会社 排気ガス浄化用触媒
US7276212B2 (en) * 2001-10-01 2007-10-02 Engelhard Corporation Exhaust articles for internal combustion engines
JP4460844B2 (ja) 2003-04-17 2010-05-12 株式会社アイシーティー 排ガス浄化用触媒および排気ガスの浄化方法
US8661794B2 (en) * 2003-08-29 2014-03-04 Dow Global Technologies Llc Diesel exhaust filter
US7795172B2 (en) * 2004-06-22 2010-09-14 Basf Corporation Layered exhaust treatment catalyst
JP4766238B2 (ja) 2005-09-08 2011-09-07 三菱自動車工業株式会社 Ｈｃ吸着材の劣化判定装置
US7576031B2 (en) * 2006-06-09 2009-08-18 Basf Catalysts Llc Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function
US7749472B2 (en) * 2006-08-14 2010-07-06 Basf Corporation Phosgard, a new way to improve poison resistance in three-way catalyst applications
US7754171B2 (en) * 2007-02-02 2010-07-13 Basf Corporation Multilayered catalyst compositions
US8318630B2 (en) * 2007-10-29 2012-11-27 Ict Co., Ltd. Catalyst for removing nitrogen oxides and method for removing nitrogen oxides using the same
US8455390B2 (en) * 2008-07-04 2013-06-04 Nissan Motor Co., Ltd. Exhaust gas purifying catalyst
WO2010077843A2 (en) 2008-12-29 2010-07-08 Basf Catalysts Llc Oxidation catalyst with low co and hc light-off and systems and methods
US9440192B2 (en) * 2009-01-16 2016-09-13 Basf Corporation Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems
US8252258B2 (en) 2009-01-16 2012-08-28 Basf Corporation Diesel oxidation catalyst with layer structure for improved hydrocarbon conversion
US8211392B2 (en) * 2009-01-16 2012-07-03 Basf Corporation Diesel oxidation catalyst composite with layer structure for carbon monoxide and hydrocarbon conversion
US8329607B2 (en) * 2009-01-16 2012-12-11 Basf Corporation Layered diesel oxidation catalyst composites
US8246923B2 (en) 2009-05-18 2012-08-21 Umicore Ag & Co. Kg High Pd content diesel oxidation catalysts with improved hydrothermal durability

Also Published As

Publication number Publication date
DE102012208876A1 (de) 2012-11-29
KR20140045396A (ko) 2014-04-16
JP5789126B2 (ja) 2015-10-07
GB2494218A (en) 2013-03-06
WO2012160391A1 (en) 2012-11-29
CN103561850A (zh) 2014-02-05
EP2714247B1 (en) 2018-03-28
DE102012208876B4 (de) 2015-10-22
JP2012245443A (ja) 2012-12-13
RU2584420C2 (ru) 2016-05-20
US20140193306A1 (en) 2014-07-10
BR112013030110A2 (pt) 2020-12-01
EP2714247A1 (en) 2014-04-09
GB201201218D0 (en) 2012-03-07
US8765067B1 (en) 2014-07-01
GB2494218B (en) 2013-09-04

Similar Documents

Publication Publication Date Title
RU2013157560A (ru) Катализатор окисления выхлопных газов
JP5938819B2 (ja) 排気ガス処理用酸化触媒
RU2013128389A (ru) Трехкомпонентная каталитическая система, включающая расположенный выше по потоку однослойный катализатор
RU2015147165A (ru) Фильтрующая подложка, содержащая трехмаршрутный катализатор
KR101529416B1 (ko) 배기 가스 정화용 촉매
JP6532823B2 (ja) 排ガス浄化用触媒
RU2009102771A (ru) Трехкомпонентный каталитический нейтрализатор отработанных газов
RU2018141223A (ru) Зонированная конфигурация для комбинаций катализатора окисления
RU2014107900A (ru) Экструдированный катализатор с сотовой структурой
RU2009138367A (ru) Каталитический нейтрализатор с однослойным каталитическим покрытием, содержащим палладий и родий
RU2009138372A (ru) Трехкомпонентный каталитический нейтрализатор с двухслойным каталитическим покрытием
GB201014027D0 (en) Exhaust system for a vehicular positive ignition internal combustion engine
RU2015124056A (ru) Каталитический фильтр сажи для обработки выхлопного газа двигателя компрессионного воспламенения
RU2012137278A (ru) КАТАЛИЗАТОРЫ ПОГЛОЩЕНИЯ NOx
RU2557056C2 (ru) Катализатор ловушечного типа для очистки бедных по nox выхлопных газов и система очистки выхлопных газов
RU2013128390A (ru) Трехкомпонентная каталитическая система, включающая расположенный выше по потоку многослойный катализатор
RU2011107101A (ru) Удерживающие nox материалы и ловушки, устойчивые к термическому старению
KR20130122984A (ko) 배기가스 정화 촉매
RU2013123137A (ru) Аккумулирующий nox компонент
KR101483651B1 (ko) 내연 기관용 가스 정화 촉매
RU2015101248A (ru) Комбинация фильтра для твердых частиц с ловушкой для углеводородов
US11794170B2 (en) TWC catalysts containing high dopant support
KR101459436B1 (ko) 내연 기관용 가스 정화 촉매
EP2039423A1 (en) Adsorbent for exhaust gas
RU2789587C2 (ru) Улучшенные катализаторы twc, содержащие высокоэффективную подложку с допирующей добавкой

Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20190526