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
  • 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
  • B01D—SEPARATION
  • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
  • B01D53/34—Chemical or biological purification of waste gases
  • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
  • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
  • B01D53/9404—Removing only nitrogen compounds
  • B01D53/9409—Nitrogen oxides
  • B01D53/9413—Processes characterised by a specific catalyst
  • B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
  • B01D53/34—Chemical or biological purification of waste gases
  • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
  • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
  • B01D53/944—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
  • 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
  • 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
  • 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
  • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
  • B01J29/085—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
  • B01J29/088—Y-type faujasite
• • 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
  • B01J29/16—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
  • B01J29/166—Y-type faujasite
• • 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
  • B01J29/46—Iron group 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
  • B01J29/65—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
  • B01J29/68—Iron group 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
  • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
  • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
  • B01J29/76—Iron group metals or copper
  • B01J29/7615—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
  • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
  • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
  • B01J29/76—Iron group metals or copper
  • B01J29/763—CHA-type, e.g. Chabazite, LZ-218
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • 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
  • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
  • B01J35/45—Nanoparticles
• • B—PERFORMING OPERATIONS; TRANSPORTING
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  • 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 [3D] monoliths
  • B01J35/57—Honeycombs
• • 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
• • 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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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  • 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
• • 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
  • B01J37/0248—Coatings comprising impregnated 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
  • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
  • B01J37/08—Heat treatment
  • B01J37/10—Heat treatment in the presence of water, e.g. steam
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
  • C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
  • C10G11/02—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
  • C10G11/04—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
  • F01N3/24—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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2251/00—Reactants
  • B01D2251/20—Reductants
  • B01D2251/206—Ammonium compounds
  • B01D2251/2067—Urea
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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  • B01D2255/10—Noble metals or compounds thereof
  • B01D2255/102—Platinum group metals
  • B01D2255/1021—Platinum
• • B—PERFORMING OPERATIONS; TRANSPORTING
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  • B01D2255/1023—Palladium
• • B—PERFORMING OPERATIONS; TRANSPORTING
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  • B01D2255/20—Metals or compounds thereof
  • B01D2255/207—Transition metals
  • B01D2255/20738—Iron
• • B—PERFORMING OPERATIONS; TRANSPORTING
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• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01D—SEPARATION
  • B01D2255/00—Catalysts
  • B01D2255/50—Zeolites
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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  • B01D2255/50—Zeolites
  • B01D2255/502—Beta zeolites
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  • B01D2257/40—Nitrogen compounds
  • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
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  • B01D2258/01—Engine exhaust gases
  • B01D2258/012—Diesel engines and lean burn gasoline engines
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  • 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
• • 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
  • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size

Definitions

• the 8-membered ring pore zeolitic material comprised in the coating (ii), more prefer ably having a framework type CHA has a mean crystallite size of at least 0.1 micrometer, more preferably in the range of from 0.1 to 3.0 micrometers, more preferably in the range of from 0.3 to 1.5 micrometer, more preferably in the range of from 0.4 to 1.0 micrometer determined via scanning electron microscopy.
• the 10- or more membered ring pore zeolitic material comprised in the coating (ii) is a zeolitic material having a framework type FER, wherein, in the framework structure of said zeolitic material, the molar ratio of Si to Al, calculated as molar SiC ⁇ A Ch, is in the range of from 10:1 to 30:1, more preferably in the range of from 15:1 to 25:1 , more prefera bly in the range of from 18:1 to 22:1.
• the 10- or more membered ring pore zeolitic material comprised in the coating (ii) is a zeolitic material having a framework type MFI, wherein in the framework structure of said zeolitic material, the molar ratio of Si to Al, calculated as molar SiC ⁇ A Ch, is in the range of from 10:1 to 35:1, more preferably in the range of from 20:1 to 32:1 , more prefera bly in the range of from 25:1 to 30:1.
• said zeolitic material comprised in the coating (ii) comprises a rare earth element component.
• the rare earth element component comprises one or more of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Er, Y and Yb, more preferably comprises one or more of La, Ce, Pr, Nd, Sm, Eu, Y, Yb and Gd, more preferably comprises one or more of La and Ce.
• the 8-membered ring pore zeolitic material comprised in the outlet coat (ii.2) com prises copper
• said outlet coat (ii.2) comprises copper in an amount, calculated as CuO, being more preferably in the range of from 2.5 to 5.5 weight-%, more preferably in the range of from 2.75 to 5.5 weight-%, more preferably in the range of from 3 to 3.75 weight-%, or more preferably in the range of from 4.5 to 5.25 weight-%, based on the weight of the 8- membered ring pore zeolitic material comprised in the outlet coat (ii.2).
• AFX a mixture of two or more thereof and a mixed type of two or more thereof, more preferably selected from the group consisting of CHA, AEI, RTH, AFX, a mixture of two or more thereof and a mixed type of two or more thereof, more preferably selected from the group consisting of CHA and AEI.
• the zeolitic material of the coating of the second catalyst (b) has a framework type CHA.
• At most 1 weight-%, more preferably from 0 to 0.5 weight-%, more preferably from 0 to 0.1 weight-%, of the framework structure of said zeolitic material consist of P.
• the coating of the second catalyst (b) be a single coat.
• the zeolitic material comprised in the first coating comprises copper, wherein said coating comprises copper in an amount, calculated as CuO, being more preferably in the range of from 1 to 15 weight-%, more preferably in the range of from 1.25 to 10 weight-%, more pref erably in the range of from 1 .5 to 7 weight-%, more preferably in the range of from 2 to 6 weight- %, more preferably in the range of from 2.5 to 5.5 weight-%, more preferably in the range of from 4.5 to 5.25 weight-%, based on the weight of the zeolitic material comprised in the first coating.
• the molar ratio of Si to Al, calculated as molar Si02:Al203 is in the range of from 2:1 to 60:1 , more preferably in the range of from 2:1 to 50:1 , more preferably in the range of from 5:1 to 40:1 , more preferably in the range of from 10:1 to 35:1 , more preferably in the range of from 15:1 to 33:1 , more preferably in the range of from 15:1 to 20:1 , or more pref erably in the range of from 25:1 to 33:1.
• said coating comprises the one or more of iron, copper and a rare earth element component in an amount, calculated as the respective oxide, being in the range of from 1 to 20 weight-%, more preferably in the range of from 5 to 20 weight-%, more preferably in the range of from 2 to 8 weight-%, or more preferably in the range of from 10 to 20 weight-%, based on the weight of the 10- or more membered ring pore zeolitic material comprised in the second coating.
• the rare earth element component consist of La and/or Ce.
• La and/or Ce be the predominant element(s).
• the second coating more preferably comprises a rare earth element component in an amount, calculated as the respective oxide(s), in the range of from 10 to 20 weight-%, more preferably in the range of from 12 to 18 weight-%, more preferably in the range of from 14 to 17 weight-%, based on the weight of the 10- or more membered ring pore zeolitic material comprised in the coating (ii).
• the second coating extends over 95 to 100 %, more preferably from 98 to 100 %, more preferably from 99 to 100 %, of the substrate axial length.
• the platinum group metal in the inlet coat of the second coating is palladium and preferably the 10- or more membered ring pore zeolitic material in the inlet coat of the second coating is a zeolitic material having a framework type BEA, wherein said zeolitic material more preferably comprises one or more of iron, copper and a rare earth element component, more preferably one or more of iron and a rare earth element component, more preferably iron.
• the present invention relates to a use of a catalyst for the selective catalytic reduction of NOx and for the cracking and conversion of HC according to the present invention for the sim ultaneous selective catalytic reduction of NOx and the cracking and conversion of HC.
• the 10- or more membered ring pore zeolitic mate rial comprised in the coating (ii) is a zeolitic material having a framework type FER, where in, in the framework structure of said zeolitic material, the molar ratio of Si to Al, calculated as molar SiC ⁇ AhCh, is in the range of from 10:1 to 30:1, preferably in the range of from 15:1 to 25:1 , more preferably in the range of from 18:1 to 22:1.
• the exhaust gas treatment system of any one of embodiments 60 to 66 wherein from 95 to 100 weight-%, preferably from 98 to 100 weight-%, more preferably from 99 to 100 weight-%, more preferably from 99.5 to 100 weight-%, of the framework structure of the zeolitic material of the coating of the second catalyst (b) consist of Si, Al, and O, wherein in the framework structure of said zeolitic material, the molar ratio of Si to Al, calculated as molar SiC ⁇ A Ch, is more preferably in the range of from 2:1 to 60:1, more preferably in the range of from 2:1 to 50:1 , more preferably in the range of from 5:1 to 40:1 , more pref erably in the range of from 10:1 to 35:1 , more preferably in the range of from 15:1 to 33:1, more preferably in the range of from 15:1 to 20:1 ; wherein more preferably at most 1 weight-%, more preferably from 0 to 0.5 weight-%, more preferably from 0 to
• bottom coat disposed on the surface of the internal walls of the substrate, said bottom coat comprising the platinum group metal, the non-zeolitic oxidic material and the zeoltic material comprising one or more of copper and iron, and preferably a metal oxide binder as defined in embodiment 62; and
• the catalyst of embodiment 89 wherein from 30 to 100 weight-%, preferably from 50 to 99 weight-%, more preferably from 70 to 95 weight-%, more preferably from 80 to 92 weight-%, of the non-zeolitic oxidic material of the first coating consist of titania, wherein preferably from 5 to 15 weight-%, more preferably from 6 to 12 weight-%, of the non-zeolitic oxidic material consist of silicon, calculated as SiC>2.
• the platinum group metal of the inlet coat of the second coating is palladium and the 10- or more membered ring pore zeolitic material in the inlet coat of the second coating is a zeolitic material having a framework type MFI, wherein said zeolitic material preferably comprises one or more of iron, copper and a rare earth element component, more preferably one or more of iron and a rare earth element component, more preferably iron.
• the system of embodiment 161 comprising the catalyst according to any one of embodi ments 82 to 154, a diesel oxidation catalyst, a catalyzed soot filter, a selective catalytic reduction (SCR) catalyst, and an SCR/AMOx catalyst, wherein the catalyst according to any one of embodiments 82 to 154 is located upstream of the diesel oxidation catalyst and of the catalyzed soot filter, wherein the diesel oxidation catalyst is located upstream of the SCR catalyst and wherein the SCR catalyst is located upstream of the SCR/AMOx catalyst.
• SCR selective catalytic reduction
• the coated substrate was calcined for 30 minutes at 590 °C.
• the final loading of the outlet coat in the catalyst after calcination was of 2.4 g/in 3 , including 2.05 g/in 3 Cu-CHA, 0.24 g/in 3 of zirconia/Hf03/La203, 0.1 g/in 3 of zirconia (binder) and a Pd loading of 15 g/ft 3 .
• the resulting powder was mixed with distilled water to form an aqueous mixture with 40% solids and the pH was adjusted to 3.75 using an organic acid. At this point, the slurry was milled until the particles of the mix ture had a Dv90 of 10 micrometers.
• a Cu-CHA zeolitic material (Cu: 5.1 weight-%, calculated as CuO, based on the weight of the Cu-CHA, CHA having a Dv90 of 25 micrometers, a S1O2: AI2O3 molar ratio of 18.5:1 , and a BET specific surface area of about 625 m 2 /g) and an Fe (3.5 weight-%, calculated as Fe203) ion-exchanged MFI zeolitic material (having a BET specific surface area of 375m 2 /g, and a S1O2: AI2O3 molar ratio of 27.5:1) were added to deionized water at a weight ratio of about 9:1 , forming a mixture. Further, a soluble zirconium solution (30 weight-% Zr0 2 ) was added as a binder to the mixture comprising water, Fe-MFI and Cu-CHA. The pH was adjusted to 7. The final mixture solid content was 38 weight-%.
• the substrate was coated with the final mixture ac cording to the coating method defined in General coating method.
• the substrate was coated once along its entire length, from the outlet end of the substrate to the inlet end, with a drying and calcination steps after the coating step.
• the substrate was placed in an oven at 90 °C for about 30 minutes. After drying, the coated substrate was calcined for 30 minutes at 590 °C.
• the resulting powder was mixed with dis tilled water to form an aqueous mixture with 40% solids and the pH was adjusted to 3.75 using an organic acid. At this point, the slurry was milled until the particles of the mixture had a Dv90 of 10 micrometers.
• the resulting powder was mixed with dis tilled water to form an aqueous mixture with 40% solids and the pH was adjusted to 3.75 using an organic acid. At this point, the slurry was milled until the particles of the mixture had a Dv90 of 10 micrometers.
• the substrate was placed in an oven at 90 °C for about 30 minutes. After dry ing, the coated substrate was calcined for 30 minutes at 590 °C.
• the final loading of the coating in the catalyst after calcination was of 2.4 g/in 3 , including 1.8 g/in 3 Cu-CFIA, 0.25 g/in 3 FER, 0.25 g/in 3 of AI2O3, 0.1 g/in 3 of zirconia (binder) and a Pd loading of 15 g/ft 3 .
• the resulting powder was mixed with distilled water to form an aqueous mixture with 40% solids and the pH was adjusted to 3.75 using an organic acid. At this point, the slurry was milled until the particles of the mixture had a Dv90 of 10 mi crometers.
• Example 13 Preparation of a multifunctional catalyst according to the present invention
• Example 14 Preparation of a multifunctional catalyst according to the present invention
• Example 15 Preparation of a multifunctional catalyst according to the present invention First (bottom) coating:
• the slurry for preparing the second coating was prepared as the slurry for preparing the coating of Example 10.
• the slurry was then disposed from the outlet end toward the inlet end of the substrate coated with the first coating over the entire length of the substrate according to the General coating method (Ref. Ex. 4).
• the substrate was coated once along its entire length, from the outlet end of the substrate to the inlet end, with drying and calcination steps after the coating step.
• the substrate was placed in an oven at 90 °C for about 30 minutes. After drying, the coated sub strate was calcined for 30 minutes at 590 °C.
• FIGS 4 and 6 show the different temperatures obtained at the outlet end of Catalyst 1 and

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