JP6971854B2 - ディーゼル酸化触媒 - Google Patents
ディーゼル酸化触媒 Download PDFInfo
- Publication number
- JP6971854B2 JP6971854B2 JP2017559782A JP2017559782A JP6971854B2 JP 6971854 B2 JP6971854 B2 JP 6971854B2 JP 2017559782 A JP2017559782 A JP 2017559782A JP 2017559782 A JP2017559782 A JP 2017559782A JP 6971854 B2 JP6971854 B2 JP 6971854B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- component
- oxidizing component
- oxidation catalyst
- oxidizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/656—Manganese, technetium or rhenium
- B01J23/6562—Manganese
-
- 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
- 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
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—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
- 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
- B01J29/061—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing metallic elements added to the 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
- B01J29/068—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
- B01J29/076—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01J29/10—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing iron group metals, noble metals or copper
- B01J29/12—Noble metals
- B01J29/126—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
- B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
- B01J29/185—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
-
- 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
- B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
- B01J29/20—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type containing iron group metals, noble metals or copper
- B01J29/22—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
- B01J29/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
- B01J29/26—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01J29/405—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 rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
-
- 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
- B01J29/40—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
- B01J29/48—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 arsenic, antimony, bismuth, vanadium, niobium tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01J29/655—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 rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
-
- 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
- B01J29/69—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 arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01J29/7049—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
- B01J29/7057—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
- B01J29/7049—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
- B01J29/7065—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
- 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
- B01J29/70—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
- 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
- B01J29/78—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J29/7815—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
- B01J29/78—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J29/783—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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
-
- 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
-
- 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
-
- 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
-
- 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
- B01J37/20—Sulfiding
-
- 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
-
- 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
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
- 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
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
- B01D2255/2042—Barium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
-
- 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
- B01D2255/30—Silica
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/40—Mixed oxides
-
- 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
- B01D2255/9022—Two 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
- B01D2255/902—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
- B01D2255/903—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
- B01D2255/91—NOx-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
- B01D2255/915—Catalyst supported on particulate 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
- B01D2255/915—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
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—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
-
- 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
-
- 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)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Toxicology (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Processes For Solid Components From Exhaust (AREA)
Description
背景技術
発明の概要
本発明のいくつかの例示的な実施態様を説明する前に、これらの実施態様は、本発明の原理および適用の単なる実例にすぎないと解釈されるべきである。したがって、例示された実施態様に多くの変更を行ってよく、かつ開示されたような本発明の精神および範囲から逸れることなく他の構成を考え出してもよいと解釈されるべきである。
4NH3 + 4NO + O2 → 4N2 + 6H2O(標準SCR反応)(1)
4NH3 + 2NO +2NO2 → 4N2 + 6H2O(急速SCR反応)(2)
4NH3 + 3NO2 → 3.5N2 + 6H2O(低速NO2−SCR反応)(3)
支持体基材
触媒複合体の製造
エミッション処理系
処理方法
実施例
Claims (24)
- 支持体基材;および
前記支持体基材の少なくとも一部上の触媒被覆を含み、前記触媒被覆は、
少なくとも1種の白金族金属(PGM)および第1の耐火性金属酸化物を含む第1の酸化成分、ここで、前記第1の酸化成分は、ゼオライト不含である;
アルミナ、シリカ、チタニア、セリア、およびマンガンの1種以上を含むNOx貯蔵成分;および
アルミナ上にマンガンを含む第2の耐火性金属酸化物、ゼオライト、および少なくとも1種のPGMを含む第2の酸化成分
を含み、
前記第1の酸化成分、前記NOx貯蔵成分、または前記第2の酸化成分の1つ以上は、マンガンを含む個々の成分の質量を基準として、マンガンを0.1〜100質量%の範囲の量で含み、かつ、前記第1の酸化成分は、前記支持体基材上の下層内にあり、前記NOx貯蔵成分は、前記下層上の中間層内にあり、かつ前記第2の酸化成分は、前記中間層上の上層内にある、酸化触媒複合体。 - 次の条件:
前記第1の酸化成分は、白金(Pt)およびパラジウム(Pd)を、0:1〜4:1のPt対Pdの質量比で含むこと;
前記第1の酸化成分は、ゼオライト不含であること;
前記NOx貯蔵成分は、ジルコニア不含であること;
前記NOx貯蔵成分は、PtおよびPd不含であること;
前記第2の酸化成分は、Ptを含むこと;
前記第2の酸化成分は、パラジウム不含であること
の1つ以上が当てはまる、請求項1記載の酸化触媒複合体。 - 前記第1の酸化成分は、PtおよびPdを、0:1〜4:1のPt対Pdの質量比で含み、かつゼオライト不含であり;
前記NOx貯蔵成分は、ジルコニア不含であり、かつPtおよびPd不含であり;かつ
前記第2の酸化成分は、Ptを含み、かつパラジウム不含である、
請求項1記載の酸化触媒複合体。 - 前記第1の耐火性金属酸化物および前記第2の耐火性金属酸化物は、アルミナ、シリカ、ジルコニア、チタニア、セリア、またはマンガンの1種以上を含む、請求項1から3までのいずれか1項記載の酸化触媒複合体。
- 前記第1の酸化成分は、PtおよびPdの合計を、0.00035g/cm3〜0.00706g/cm3(10g/ft3〜200g/ft3)の範囲の量で含み、かつこの場合、前記第2の酸化成分は、白金を、0.00035g/cm3〜0.00424g/cm3(10g/ft3〜120g/ft3)の範囲の量で含む、請求項1から3までのいずれか1項記載の酸化触媒複合体。
- 前記マンガンは、Si、Fe、Co、Ni、Cu、In、Sn、Ir、Ce、Pr、またはこれらの組合せでドープされている、請求項1〜5のいずれかに記載の酸化触媒複合体。
- 前記第1の酸化成分、前記NOx貯蔵成分、または前記第2の酸化成分の1つ以上は、セリアを含む成分の質量を基準として、セリア(Ce)を0.1〜100質量%の範囲の量で含む、請求項1から3までのいずれか1項記載の酸化触媒複合体。
- 前記Ceは、Si、Mn、Fe、Co、Ni、Cu、In、Sn、Ir、Pr、およびこれらの組合せから選択される元素でドープされている、請求項7記載の酸化触媒複合体。
- 前記NOx貯蔵成分は、前記NOx貯蔵成分の質量を基準として、アルミナを80〜99.8質量%の範囲で、マンガンを0.1〜10質量%の範囲の量で、およびセリアを0.1〜10質量%の範囲の量で含む、請求項1から3までのいずれか1項記載の酸化触媒複合体。
- 前記NOx貯蔵成分は、前記NOx貯蔵成分の質量を基準として、セリアを80〜99.8質量%の範囲で、アルミナを0.1〜10質量%の範囲の量で、およびシリカを0.1〜10質量%の範囲の量で含む、請求項1から3までのいずれか1項記載の酸化触媒複合体。
- 前記NO x 貯蔵成分は、0.4より大きいMn/(Ce+Mn)の質量比率を示す、請求項9記載の酸化触媒複合体。
- 前記第1の酸化成分は、さらに、酸化バリウムを、0.00011g/cm3〜0.00353g/cm3(3〜100g/ft3)の範囲の量で含む、請求項1から3までのいずれか1項記載の酸化触媒複合体。
- 前記第2の酸化成分は、ZSM−5、ベータ、モルデナイト、Y−ゼオライト、CHA骨格型ゼオライト、フェリエライト、またはこれらの組合せから選択された熱水安定性ゼオライトを含む、請求項1から3までのいずれか1項記載の酸化触媒複合体。
- 前記支持体基材は、フロースルー型モノリス、ウォールフロー型モノリス、フォーム、またはメッシュから選択される、請求項1から13までのいずれか1項記載の酸化触媒複合体。
- 排気ガス流を、請求項1から14までのいずれか1項記載の酸化触媒複合体と接触させ、かつ前記排気ガス流を下流のSCR触媒に通すことを含む、ディーゼルエンジン排気ガス流を処理する方法。
- 前記下流のSCR触媒は、ウォールフロー型フィルタモノリスに堆積されている、請求項15記載の方法。
- 炭化水素、一酸化炭素、窒素酸化物、粒子状物質、および他の排気成分を含むリーンバーンエンジン排気ガス流を処理する系において、前記系は、
排気マニホールドを介してリーンバーンエンジンと流体連結する形の排気管;
請求項1から14までのいずれか1項記載の酸化触媒複合体;および
前記酸化触媒複合体の下流に配置された触媒添加型スートフィルタおよびSCR触媒
を含む、リーンバーンエンジン排気ガス流を処理する系。 - 前記SCR触媒は、前記触媒添加型スートフィルタ上の触媒被覆として存在する、請求項17記載の系。
- 前記SCR触媒は、前記酸化触媒複合体の下流のフロースルー型モノリス上にあり、かつ前記触媒添加型スートフィルタは、前記SCR触媒の下流にある、請求項17記載の系。
- 前記触媒添加型スートフィルタは、前記酸化触媒複合体の下流にあり、かつ前記SCR触媒は、前記触媒添加型スートフィルタの下流のフロースルー型モノリス上にある、請求項17記載の系。
- 前記SCR触媒は、二重六員環(d6r)単位を示すモレキュラーシーブスを含む、請求項17記載の系。
- 前記SCR触媒は、CHA、AEI、またはAFX骨格型ゼオライトから選択される、請求項21記載の系。
- 前記SCR触媒は、Cu、Fe、Co、Ni、La、Ce、Mn、V、Ag、およびこれらの組合せから選択される金属が添加されている、請求項22記載の系。
- 前記SCR触媒は、Cu、Fe、およびこれらの組合せから選択される金属が添加されている、請求項23記載の系。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562113696P | 2015-02-09 | 2015-02-09 | |
| US62/113,696 | 2015-02-09 | ||
| PCT/US2016/016949 WO2016130456A1 (en) | 2015-02-09 | 2016-02-08 | Diesel oxidation catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2018511475A JP2018511475A (ja) | 2018-04-26 |
| JP6971854B2 true JP6971854B2 (ja) | 2021-11-24 |
Family
ID=56614738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017559782A Active JP6971854B2 (ja) | 2015-02-09 | 2016-02-08 | ディーゼル酸化触媒 |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US10857521B2 (ja) |
| EP (1) | EP3256247A4 (ja) |
| JP (1) | JP6971854B2 (ja) |
| KR (1) | KR102557306B1 (ja) |
| CN (1) | CN107405606B (ja) |
| BR (1) | BR112017016908A2 (ja) |
| CA (1) | CA2976083A1 (ja) |
| MX (1) | MX2017010295A (ja) |
| RU (1) | RU2017131548A (ja) |
| WO (1) | WO2016130456A1 (ja) |
| ZA (1) | ZA201705952B (ja) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016141142A1 (en) * | 2015-03-03 | 2016-09-09 | Basf Corporation | LEAN NOx TRAP WITH ENHANCED HIGH AND LOW TEMPERATURE PERFORMANCE |
| EP3265225A4 (en) * | 2015-03-05 | 2018-11-07 | BASF Corporation | Platinum-containing catalysts for combustion engines |
| CA2994154A1 (en) | 2015-07-30 | 2017-02-02 | Basf Corporation | Diesel oxidation catalyst |
| WO2017053393A1 (en) | 2015-09-22 | 2017-03-30 | Basf Corporation | Sulfur-tolerant catalytic system |
| DK3442702T3 (da) | 2016-04-11 | 2021-08-23 | Johnson Matthey Plc | Fremgangsmåde til belægning af et substrat med et partikelstabiliseret skum |
| DE102016207484A1 (de) * | 2016-05-02 | 2017-11-02 | Umicore Ag & Co. Kg | Dieseloxidationskatalysator |
| CA3027822A1 (en) * | 2016-06-17 | 2017-12-21 | Basf Corporation | Palladium diesel oxidation catalyst |
| CN109310991B (zh) * | 2016-07-19 | 2022-07-05 | 优美科股份公司及两合公司 | 柴油机氧化催化转化器 |
| GB2553339A (en) * | 2016-09-02 | 2018-03-07 | Johnson Matthey Plc | Improved NOx trap |
| EP3351300A1 (en) | 2017-01-20 | 2018-07-25 | SASOL Germany GmbH | Manganese oxide containing alumina composition, a method for manufacturing the same and use thereof |
| CN110730689A (zh) | 2017-02-08 | 2020-01-24 | 巴斯夫公司 | 催化剂组合物 |
| CN110402168A (zh) * | 2017-03-14 | 2019-11-01 | 巴斯夫公司 | 具有增强的CO氧化、烃氧化和NO氧化以及改善的硫酸盐化/脱硫酸盐化行为的Pt/Pd DOC |
| BR112020017976A2 (pt) * | 2018-03-14 | 2020-12-22 | Johnson Matthey Public Limited Company | Artigo catalítico, sistema de exaustão, método para melhorar a conversão de nh3 de um gás de exaustão, e, método para tratamento de gás de exaustão |
| JP7076241B2 (ja) * | 2018-03-22 | 2022-05-27 | 日本碍子株式会社 | 酸化触媒の粉末、触媒担持構造体、酸化触媒の粉末の製造方法、および、触媒担持構造体の製造方法 |
| GB2572396A (en) * | 2018-03-28 | 2019-10-02 | Johnson Matthey Plc | Passive NOx adsorber |
| US12383890B2 (en) | 2018-04-11 | 2025-08-12 | Basf Mobile Emissions Catalysts Llc | Mixed zeolite-containing SCR catalyst |
| JP7346556B2 (ja) * | 2018-09-13 | 2023-09-19 | ビーエーエスエフ コーポレーション | ガソリン・天然ガス用途の三元変換触媒 |
| CN113272057A (zh) * | 2019-01-08 | 2021-08-17 | 优美科股份公司及两合公司 | 具有氧化催化活性功能的被动氮氧化物吸附器 |
| CN114072223B (zh) * | 2019-03-11 | 2024-05-24 | 印度商宜诺摩托克普有限公司 | 用于处理机动车排气的催化剂系统及其制造方法 |
| WO2020188519A1 (en) * | 2019-03-20 | 2020-09-24 | Basf Corporation | Tunable nox adsorber |
| WO2020227455A1 (en) * | 2019-05-09 | 2020-11-12 | Basf Corporation | Low temperature no x adsorber with enhanced hydrothermal stability |
| EP3972724B1 (en) * | 2019-05-22 | 2024-09-18 | BASF Mobile Emissions Catalysts LLC | Coordinated emission control system including diesel oxidation catalyst and low temperature nox adsorber |
| KR20210034783A (ko) * | 2019-09-23 | 2021-03-31 | 희성촉매 주식회사 | 저온 NOx 흡장 조성물 및 이를 함유한 디젤산화촉매 |
| KR102218996B1 (ko) * | 2019-09-23 | 2021-02-22 | 희성촉매 주식회사 | 지지체에 망간이 도핑된 산화 촉매조성물 |
| US12320288B2 (en) * | 2019-10-18 | 2025-06-03 | Umicore Shokubai Japan Co., Ltd. | Exhaust gas purification catalyst, method of purifying exhaust gas, and method of manufacturing exhaust gas purification catalyst |
| KR20210047488A (ko) * | 2019-10-22 | 2021-04-30 | 현대자동차주식회사 | 질소 산화물 제거용 촉매 |
| EP3824988B1 (en) * | 2019-11-20 | 2025-03-05 | Umicore AG & Co. KG | Catalyst for reducing nitrogen oxides |
| GB2608048A (en) * | 2020-03-30 | 2022-12-21 | Johnson Matthey Plc | Layered zone-coated diesel oxidation catalysts for improved CO/HC conversion and no oxidation |
| EP4228804A4 (en) * | 2020-10-16 | 2025-03-05 | BASF Mobile Emissions Catalysts LLC | DIESEL OXIDATION CATALYST WITH IMPROVED HYDROCARBON IGNITION PROPERTIES |
| KR102599482B1 (ko) * | 2021-06-15 | 2023-11-06 | 연세대학교 원주산학협력단 | 폐기물 가스화 합성가스의 수성가스전이 반응용 내황성 촉매 |
| WO2023276793A1 (ja) | 2021-06-28 | 2023-01-05 | エヌ・イーケムキャット株式会社 | 排ガス浄化用酸化触媒 |
| CN115957754A (zh) * | 2021-10-12 | 2023-04-14 | 庄信万丰(上海)化工有限公司 | 具有改进的氨排放控制的cng发动机废气处理用新型分区催化剂 |
| KR20240149386A (ko) * | 2021-12-06 | 2024-10-14 | 바스프 코포레이션 | 블렌딩된 산화물과 h-제올라이트를 갖는 scr 촉매 |
| CN115288832B (zh) * | 2022-08-25 | 2023-12-15 | 潍柴动力股份有限公司 | 一种识别doc硫中毒和老化的诊断方法及诊断系统 |
| SE546382C2 (en) * | 2022-12-19 | 2024-10-22 | Scania Cv Ab | Exhaust treatment system, method for treatment of an exhaust stream and control system therefore |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5362463A (en) * | 1992-08-26 | 1994-11-08 | University Of De | Process for removing NOx from combustion zone gases by adsorption |
| JP3447384B2 (ja) * | 1993-09-29 | 2003-09-16 | 本田技研工業株式会社 | 排気ガス浄化用触媒 |
| US5676912A (en) * | 1995-02-22 | 1997-10-14 | Mobil Oil Corporation | Process for exhaust gas NOx, CO, and hydrocarbon removal |
| US5656244A (en) * | 1995-11-02 | 1997-08-12 | Energy And Environmental Research Corporation | System for reducing NOx from mobile source engine exhaust |
| US6129898A (en) * | 1998-08-17 | 2000-10-10 | Ford Global Technologies, Inc. | NOx trap catalyst for lean burn engines |
| KR20010037201A (ko) | 1999-10-14 | 2001-05-07 | 이계안 | 디젤 자동차용 촉매 |
| EP1341599B1 (en) * | 2000-11-06 | 2009-08-12 | Corning Incorporated | Catalyst for purifying exhaust gases |
| US6777370B2 (en) * | 2001-04-13 | 2004-08-17 | Engelhard Corporation | SOx tolerant NOx trap catalysts and methods of making and using the same |
| ZA200600757B (en) * | 2003-08-29 | 2007-05-30 | Dow Global Technologies Inc | Improved diesel exhaust filter |
| JP4779461B2 (ja) * | 2005-06-23 | 2011-09-28 | トヨタ自動車株式会社 | 触媒担体及びその製造方法、並びに排ガス浄化触媒 |
| 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 |
| JP2009007946A (ja) * | 2007-06-26 | 2009-01-15 | Mazda Motor Corp | 排気ガス浄化触媒装置 |
| GB0812544D0 (en) * | 2008-07-09 | 2008-08-13 | Johnson Matthey Plc | Exhaust system for a lean burn IC engine |
| US8524185B2 (en) * | 2008-11-03 | 2013-09-03 | Basf Corporation | Integrated SCR and AMOx catalyst systems |
| US8252258B2 (en) | 2009-01-16 | 2012-08-28 | Basf Corporation | Diesel oxidation catalyst with layer structure for improved hydrocarbon conversion |
| US9440192B2 (en) * | 2009-01-16 | 2016-09-13 | Basf Corporation | Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems |
| 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 |
| US8734743B2 (en) * | 2010-06-10 | 2014-05-27 | Basf Se | NOx storage catalyst with improved hydrocarbon conversion activity |
| KR101846593B1 (ko) * | 2010-06-10 | 2018-04-06 | 바스프 에스이 | 탄화수소 전환 활성이 개선된 질소산화물 저장 촉매 |
| US8959894B2 (en) | 2011-03-24 | 2015-02-24 | GM Global Technology Operations LLC | Manganese-based oxides promoted lean NOx trap (LNT) catalyst |
| JP5789126B2 (ja) * | 2011-05-25 | 2015-10-07 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Publiclimited Company | 排ガス酸化触媒 |
| US20120308439A1 (en) * | 2011-06-01 | 2012-12-06 | Johnson Matthey Public Limited Company | Cold start catalyst and its use in exhaust systems |
| US8449852B1 (en) * | 2011-12-01 | 2013-05-28 | Basf Corporation | Diesel oxidation catalysts, systems and methods of treatment |
| WO2013151557A1 (en) * | 2012-04-06 | 2013-10-10 | Basf Corporation | Lean noxtrap diesel oxidation catalyst with hydrocarbon storage function |
| US8568674B1 (en) * | 2012-08-10 | 2013-10-29 | Basf Corporation | Diesel oxidation catalyst composites |
| US9333490B2 (en) | 2013-03-14 | 2016-05-10 | Basf Corporation | Zoned catalyst for diesel applications |
| JP5994730B2 (ja) * | 2013-05-27 | 2016-09-21 | マツダ株式会社 | 排気ガス浄化用触媒の製造方法 |
| US10335776B2 (en) * | 2013-12-16 | 2019-07-02 | Basf Corporation | Manganese-containing diesel oxidation catalyst |
| US10864502B2 (en) * | 2013-12-16 | 2020-12-15 | Basf Corporation | Manganese-containing diesel oxidation catalyst |
-
2016
- 2016-02-08 JP JP2017559782A patent/JP6971854B2/ja active Active
- 2016-02-08 MX MX2017010295A patent/MX2017010295A/es unknown
- 2016-02-08 RU RU2017131548A patent/RU2017131548A/ru not_active Application Discontinuation
- 2016-02-08 KR KR1020177025024A patent/KR102557306B1/ko active Active
- 2016-02-08 CA CA2976083A patent/CA2976083A1/en not_active Abandoned
- 2016-02-08 US US15/548,657 patent/US10857521B2/en active Active
- 2016-02-08 BR BR112017016908A patent/BR112017016908A2/pt not_active Application Discontinuation
- 2016-02-08 CN CN201680020345.0A patent/CN107405606B/zh active Active
- 2016-02-08 WO PCT/US2016/016949 patent/WO2016130456A1/en not_active Ceased
- 2016-02-08 EP EP16749650.4A patent/EP3256247A4/en active Pending
-
2017
- 2017-09-01 ZA ZA201705952A patent/ZA201705952B/en unknown
-
2020
- 2020-07-09 US US16/924,667 patent/US12390796B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2976083A1 (en) | 2016-08-18 |
| US10857521B2 (en) | 2020-12-08 |
| CN107405606B (zh) | 2021-09-10 |
| ZA201705952B (en) | 2020-11-25 |
| US20200346192A1 (en) | 2020-11-05 |
| BR112017016908A2 (pt) | 2018-03-27 |
| RU2017131548A3 (ja) | 2019-03-11 |
| JP2018511475A (ja) | 2018-04-26 |
| MX2017010295A (es) | 2017-11-10 |
| CN107405606A (zh) | 2017-11-28 |
| EP3256247A1 (en) | 2017-12-20 |
| WO2016130456A1 (en) | 2016-08-18 |
| US12390796B2 (en) | 2025-08-19 |
| KR102557306B1 (ko) | 2023-07-20 |
| US20180029016A1 (en) | 2018-02-01 |
| EP3256247A4 (en) | 2018-08-22 |
| KR20170116076A (ko) | 2017-10-18 |
| RU2017131548A (ru) | 2019-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6971854B2 (ja) | ディーゼル酸化触媒 | |
| US12134086B2 (en) | Manganese-containing diesel oxidation catalyst | |
| US11896962B2 (en) | Manganese-containing diesel oxidation catalyst | |
| KR102602376B1 (ko) | 디젤 산화 촉매 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190208 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20191113 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20191125 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20200221 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200422 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200609 |
|
| RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20200821 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200902 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210125 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210426 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210621 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210916 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20211004 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20211102 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6971854 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
