RU2018120361A - Катализатор окисления - Google Patents
Катализатор окисления Download PDFInfo
- Publication number
- RU2018120361A RU2018120361A RU2018120361A RU2018120361A RU2018120361A RU 2018120361 A RU2018120361 A RU 2018120361A RU 2018120361 A RU2018120361 A RU 2018120361A RU 2018120361 A RU2018120361 A RU 2018120361A RU 2018120361 A RU2018120361 A RU 2018120361A
- Authority
- RU
- Russia
- Prior art keywords
- particulate filter
- catalyzed particulate
- exhaust system
- monolithic carrier
- oxidation catalyst
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims 17
- 230000003647 oxidation Effects 0.000 title claims 15
- 238000007254 oxidation reaction Methods 0.000 title claims 15
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 10
- 239000011777 magnesium Substances 0.000 claims 7
- 229910052751 metal Inorganic materials 0.000 claims 7
- 239000002184 metal Substances 0.000 claims 7
- 238000001914 filtration Methods 0.000 claims 6
- 238000000034 method Methods 0.000 claims 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims 5
- 239000012876 carrier material Substances 0.000 claims 4
- 238000010531 catalytic reduction reaction Methods 0.000 claims 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 3
- 239000011248 coating agent Substances 0.000 claims 3
- 238000000576 coating method Methods 0.000 claims 3
- 238000002485 combustion reaction Methods 0.000 claims 3
- 239000007789 gas Substances 0.000 claims 3
- 229910052749 magnesium Inorganic materials 0.000 claims 3
- -1 magnesium-aluminum metals Chemical class 0.000 claims 3
- 239000000463 material Substances 0.000 claims 3
- 230000001590 oxidative effect Effects 0.000 claims 3
- 238000011144 upstream manufacturing Methods 0.000 claims 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 229910052763 palladium Inorganic materials 0.000 claims 2
- 229910052697 platinum Inorganic materials 0.000 claims 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims 1
- 230000004323 axial length Effects 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 229910003455 mixed metal oxide Inorganic materials 0.000 claims 1
- 239000002808 molecular sieve Substances 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 229910052703 rhodium Inorganic materials 0.000 claims 1
- 239000010948 rhodium Substances 0.000 claims 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims 1
- 229910052596 spinel Inorganic materials 0.000 claims 1
- 239000011029 spinel Substances 0.000 claims 1
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
-
- 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
-
- 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
- B01D53/92—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
- B01D53/9463—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 one brick
- B01D53/9472—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 one brick in different zones
-
- 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
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/10—Magnesium; Oxides or hydroxides thereof
-
- 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
- B01J23/005—Spinels
-
- 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
- B01J23/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
-
- 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
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- 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
- 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
- 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
- B01J35/615—100-500 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
- B01J37/02—Impregnation, coating or 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0244—Coatings comprising several layers
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
- F01N3/0222—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- 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
-
- 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
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
- F01N3/106—Auxiliary oxidation catalysts
-
- 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]
-
- 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
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
-
- 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
- B01D2255/2047—Magnesium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
-
- 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
-
- 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
-
- 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
- B01D2255/9207—Specific surface
-
- 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
- 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
- B01J23/58—Platinum group metals with alkali- or alkaline earth 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
-
- 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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/06—Ceramic, e.g. monoliths
-
- 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
- F01N2370/00—Selection of materials for exhaust purification
- F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
- F01N2370/04—Zeolitic material
-
- 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
- F01N2510/0682—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having a discontinuous, uneven or partially overlapping coating of catalytic material, e.g. higher amount of material upstream than downstream or vice versa
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1602—Temperature of exhaust gas apparatus
-
- 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
-
- 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)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Filtering Materials (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Claims (32)
1. Катализированный сажевый фильтр, содержащий катализатор окисления для окисления NO в NO2 и/или окисления CO в CO2, и/или HC в CO2 и H2O, расположенный на фильтрующем монолитом носителе с проточными стенками, причем катализатор окисления содержит:
- компонент - металл платиновой группы и
- предварительно прокаленный материал носителя, содержащий смешанный оксид металлов магния-алюминия, имеющий содержание магния 15 мас. % или менее, в расчете на Mg.
2. Катализированный сажевый фильтр по п. 1, в котором предварительно прокаленный материал носителя имеет удельную поверхность 250 м2/г или менее.
3. Катализированный сажевый фильтр по п. 1 или 2, в котором смешанный оксид металлов магния-алюминия имеет содержание Mg 0,1-12 мас. %, в расчете на Mg.
4. Катализированный сажевый фильтр по п. 1, 2 или 3, в котором прокаленный материал носителя, содержащий смешанный оксид металлов магния-алюминия, содержит обедненную магнием шпинель.
5. Катализированный сажевый фильтр по любому из предшествующих пунктов, в котором пористость фильтрующего монолитного носителя с проточными стенками составляет 40% или более.
6. Катализированный сажевый фильтр по любому из предшествующих пунктов, в котором поры фильтрующего монолитного носителя с проточными стенками имеют средний диаметр в диапазоне 10-25 мкм.
7. Катализированный сажевый фильтр по любому из предшествующих пунктов, в котором фильтрующий монолитный носитель с проточными стенками содержит впускные каналы у своего впускного конца и выпускные каналы у своего выпускного конца, и в котором катализатор окисления расположен по меньшей мере на или в стенках впускных каналов.
8. Катализированный сажевый фильтр по любому из предшествующих пунктов, в котором катализатор окисления расположен на фильтрующем монолитном носителе с проточными стенками таким образом, что он проходит на 10-90% длины в осевом направлении фильтрующего монолитного носителя.
9. Катализированный сажевый фильтр по любому из предшествующих пунктов, в котором компонент - металл платиновой группы содержит платину, палладий, родий или смеси любых двух из них.
10. Катализированный сажевый фильтр по любому из предшествующих пунктов, в котором компонент - металл платиновой группы содержит смесь платины и палладия в массовом отношении Pt:Pd в диапазоне от 20:1 до 2:1.
11. Катализированный сажевый фильтр по любому из предшествующих пунктов, в котором общее содержание металла платиновой группы в катализаторе окисления находится в диапазоне 5-50 г/фут3 (177-1766 г/м3).
12. Катализированный сажевый фильтр по любому из предшествующих пунктов, в котором плотность покрытия из пористого оксида катализатора окисления находится в диапазоне 0,1-2,0 г/дюйм3 (0,006-0,122 г/см3).
13. Выхлопная система для двигателя внутреннего сгорания, где выхлопная система содержит катализированный сажевый фильтр по любому из предшествующих пунктов.
14. Выхлопная система по п. 13, в которой катализатор окисления находится в зоне, расположенной на фильтрующем монолитном носителе с проточными стенками, причем фильтрующий монолитный носитель с проточными стенками содержит катализатор активного или пассивного селективного каталитического восстановления в зоне ниже по потоку от зоны окисления.
15. Выхлопная система по п. 13, содержащая катализатор активного или пассивного селективного каталитического восстановления на отдельном монолитном носителе ниже по потоку от катализированного сажевого фильтра.
16. Выхлопная система по п. 13, 14 или 15, в которой катализатор селективного каталитического восстановления содержит молекулярное сито и медный или железный промотор.
17. Выхлопная система по любому из пп. 13-16, содержащая инжектор для впрыскивания азотсодержащего восстановителя в выхлопные газы выше по потоку от катализатора селективного каталитического восстановления.
18. Выхлопная система по любому из пп. 13-17, содержащая отдельный монолитный носитель, содержащий дизельный катализатор окисления, выше по потоку от катализированного сажевого фильтра.
19. Выхлопная система по п. 18, в которой дизельный катализатор окисления нанесен на проточный сотовый монолитный носитель.
20. Выхлопная система по п. 13 или по любому из пп. 15-19, в которой катализатор окисления находится в зоне, расположенной на фильтрующем монолитном носителе с проточными стенками, причем фильтрующий монолитный носитель с проточными стенками содержит катализатор-ловушку обедненных NOx в зоне выше по потоку или ниже по потоку от зоны окисления.
21. Выхлопная система по любому из пп. 13-20, содержащая катализатор-ловушку обедненных NOx на отдельном монолитном носителе ниже по потоку от катализированного сажевого фильтра.
22. Транспортное средство, содержащее двигатель внутреннего сгорания и выхлопную систему по любому из пп. 13-21.
23. Способ очистки выхлопных газов двигателя внутреннего сгорания, включающий пропускание выхлопных газов через катализированный сажевый фильтр по любому из пп. 1-12.
24. Способ по п. 23, где способ включает стадию окисления NO в NO2 и/или окисления CO в CO2, и/или окисления HС в СО2 и Н2О.
25. Способ получения каталитического монолита, включающий:
- обеспечение компонента предварительно прокаленного материала носителя, содержащего смешанный оксид металлов магния-алюминия, имеющий содержание магния 15 мас. % или менее, в расчете на Mg,
- приготовление покрытия из пористого оксида, содержащего компонент - металл платиновой группы и компонент прокаленного материала носителя, и
- нанесение покрытия из пористого оксида на монолитный носитель с проточными стенками.
26. Способ по п. 25, в котором материал носителя прокаливают при температуре 700°С или выше, предпочтительно 750°С или выше, более предпочтительно 775°С или выше, и наиболее предпочтительно 800°С или выше.
27. Способ по п. 25 или 26, в котором прокаленный материал носителя имеет удельную поверхность 250 м2/г или менее.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1519335.2A GB2543849B (en) | 2015-11-02 | 2015-11-02 | Oxidation catalyst |
GB1519335.2 | 2015-11-02 | ||
PCT/IB2016/056555 WO2017077444A1 (en) | 2015-11-02 | 2016-10-31 | Oxidation catalyst |
Publications (3)
Publication Number | Publication Date |
---|---|
RU2018120361A true RU2018120361A (ru) | 2019-12-10 |
RU2018120361A3 RU2018120361A3 (ru) | 2020-02-05 |
RU2751344C2 RU2751344C2 (ru) | 2021-07-13 |
Family
ID=55130547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2018120361A RU2751344C2 (ru) | 2015-11-02 | 2016-10-31 | Катализатор окисления |
Country Status (10)
Country | Link |
---|---|
US (1) | US10195566B2 (ru) |
EP (1) | EP3370854B1 (ru) |
JP (1) | JP6836590B2 (ru) |
KR (1) | KR20180078301A (ru) |
CN (1) | CN108367240B (ru) |
BR (1) | BR112018008764A2 (ru) |
DE (1) | DE102016120814A1 (ru) |
GB (1) | GB2543849B (ru) |
RU (1) | RU2751344C2 (ru) |
WO (1) | WO2017077444A1 (ru) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018162434A1 (de) * | 2017-03-06 | 2018-09-13 | Umicore Ag & Co. Kg | Mangan-haltiger dieseloxidationskatalysator |
JP2021531952A (ja) * | 2018-05-04 | 2021-11-25 | コーニング インコーポレイテッド | 出口が被覆されたセラミックハニカム体およびその製造方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049582A (en) * | 1975-03-26 | 1977-09-20 | Atlantic Richfield Company | Method for producing a supported catalyst |
US4239656A (en) * | 1978-04-04 | 1980-12-16 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Catalyst for purifying exhaust gases and carrier for the catalyst |
JPS5610333A (en) * | 1979-07-06 | 1981-02-02 | Toyota Motor Corp | Catalyst for cleaning up exhaust gas and manufacture of said catalyst |
FR2628655B1 (fr) * | 1988-03-16 | 1990-07-20 | Pro Catalyse | Support de catalyseur et catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne et procede de fabrication de ceux-ci |
EP0394499B1 (en) | 1988-11-04 | 1997-10-08 | Hitachi, Ltd. | Apparatus for multiplication, division and extraction of square root |
US5856263A (en) * | 1992-08-28 | 1999-01-05 | Union Carbide Chemicals & Plastics Technology Corporation | Catalysts comprising substantially pure alpha-alumina carrier for treating exhaust gases |
US6616909B1 (en) * | 1998-07-27 | 2003-09-09 | Battelle Memorial Institute | Method and apparatus for obtaining enhanced production rate of thermal chemical reactions |
JP3575307B2 (ja) * | 1998-12-28 | 2004-10-13 | トヨタ自動車株式会社 | 排ガス浄化用触媒及びその製造方法 |
EP1316354A1 (de) * | 2001-11-30 | 2003-06-04 | OMG AG & Co. KG | Katalysator zur Verminderung der Stickoxide im Abgas von Magermotoren |
DE10214343A1 (de) * | 2002-03-28 | 2003-10-09 | Omg Ag & Co Kg | Partikelfilter mit einer katalytisch aktiven Beschichtung zur Beschleunigung der Verbrennung der auf dem Filter gesammelten Rußpartikel während einer Regenerationsphase |
US7465690B2 (en) * | 2003-06-19 | 2008-12-16 | Umicore Ag & Co. Kg | Methods for making a catalytic element, the catalytic element made therefrom, and catalyzed particulate filters |
CA2732608C (en) * | 2008-07-31 | 2017-05-16 | Basf Se | Nox storage materials and traps resistant to thermal aging |
GB2481057A (en) | 2010-06-11 | 2011-12-14 | Johnson Matthey Plc | Exhaust system comprising a catalyst with a downstream filter and SCR catalyst |
US9242242B2 (en) * | 2010-09-02 | 2016-01-26 | Basf Se | Catalyst for gasoline lean burn engines with improved NO oxidation activity |
US20130287658A1 (en) * | 2012-04-26 | 2013-10-31 | Johnson Matthey Public Limited Company | NOx TRAP COMPOSITION |
GB201220912D0 (en) * | 2012-11-21 | 2013-01-02 | Johnson Matthey Plc | Oxidation catalyst for treating the exhaust gas of a compression ignition engine |
GB2520776A (en) * | 2013-12-02 | 2015-06-03 | Johnson Matthey Plc | Wall-flow filter comprising catalytic washcoat |
-
2015
- 2015-11-02 GB GB1519335.2A patent/GB2543849B/en active Active
-
2016
- 2016-10-31 KR KR1020187015607A patent/KR20180078301A/ko not_active Application Discontinuation
- 2016-10-31 CN CN201680072940.9A patent/CN108367240B/zh active Active
- 2016-10-31 WO PCT/IB2016/056555 patent/WO2017077444A1/en active Application Filing
- 2016-10-31 BR BR112018008764A patent/BR112018008764A2/pt not_active Application Discontinuation
- 2016-10-31 JP JP2018522617A patent/JP6836590B2/ja active Active
- 2016-10-31 EP EP16794066.7A patent/EP3370854B1/en active Active
- 2016-10-31 RU RU2018120361A patent/RU2751344C2/ru active
- 2016-10-31 US US15/338,596 patent/US10195566B2/en active Active
- 2016-11-02 DE DE102016120814.0A patent/DE102016120814A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
CN108367240B (zh) | 2021-04-30 |
US20170120192A1 (en) | 2017-05-04 |
DE102016120814A1 (de) | 2017-05-04 |
US10195566B2 (en) | 2019-02-05 |
GB2543849A (en) | 2017-05-03 |
JP6836590B2 (ja) | 2021-03-03 |
BR112018008764A2 (pt) | 2018-10-30 |
GB2543849B (en) | 2021-08-11 |
EP3370854A1 (en) | 2018-09-12 |
KR20180078301A (ko) | 2018-07-09 |
RU2018120361A3 (ru) | 2020-02-05 |
GB201519335D0 (en) | 2015-12-16 |
WO2017077444A1 (en) | 2017-05-11 |
CN108367240A (zh) | 2018-08-03 |
EP3370854B1 (en) | 2021-06-30 |
RU2751344C2 (ru) | 2021-07-13 |
JP2019501758A (ja) | 2019-01-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104254387B (zh) | 包含三元催化剂的过滤器基底 | |
KR102178500B1 (ko) | 촉매 매연 필터 | |
KR102194419B1 (ko) | 산화질소의 산화를 위한 촉매 물품, 시스템 및 방법 | |
EP2539040B1 (en) | Improved catalyzed soot filter | |
RU2392456C2 (ru) | Способ и устройство для очистки выхлопного газа | |
US10808585B2 (en) | Catalytic wall-flow filter with partial surface coating | |
JP2019113069A (ja) | 排ガスを処理するための触媒化フィルタ | |
JP2015521245A5 (ru) | ||
RU2015150059A (ru) | Двигатель с принудительным воспламенением топлива и выхлопной системой, содержащей катализируемую фильтрующую подложку с покрытыми зонами | |
US10272421B2 (en) | Catalytic wall-flow filter having a membrane | |
KR20180017191A (ko) | 수동적이고 선택적인 촉매적 환원에 사용하기 위한 통합된 희박 NOx 트랩을 갖는 SCR-촉매화된 매연 필터 | |
JP2013511379A (ja) | 帯状触媒スートフィルタ | |
JP2016527427A (ja) | 排ガスを処理するための触媒化フィルタ | |
CN105642116A (zh) | 用于从强制点火发动机排出的尾气中滤除颗粒物质的过滤器 | |
WO2009076574A2 (en) | Emission treatment system | |
JP2011509826A (ja) | 触媒フィルタ | |
US10215073B2 (en) | Catalyzed soot filter for use in passive selective catalytic reduction | |
JPH0160652B2 (ru) | ||
JP2019534137A (ja) | 硫黄含有不純物のための捕捉領域を有するディーゼル酸化触媒 | |
CN108568308B (zh) | 排气净化用催化剂 | |
RU2018120361A (ru) | Катализатор окисления | |
WO2018055392A1 (en) | Oxidation catalyst for a diesel engine exhaust | |
CN114080493A (zh) | 微粒过滤器 | |
WO2020163123A1 (en) | Zone-coated ceramic particulate partial filter | |
JPH0255603B2 (ru) |