WO2010095761A3 - Catalyst for purification of exhaust gas and method of manufacturing the same - Google Patents

Catalyst for purification of exhaust gas and method of manufacturing the same Download PDF

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Publication number
WO2010095761A3
WO2010095761A3 PCT/JP2010/052909 JP2010052909W WO2010095761A3 WO 2010095761 A3 WO2010095761 A3 WO 2010095761A3 JP 2010052909 W JP2010052909 W JP 2010052909W WO 2010095761 A3 WO2010095761 A3 WO 2010095761A3
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WO
WIPO (PCT)
Prior art keywords
metal
purification
catalyst
exhaust gas
manufacturing
Prior art date
Application number
PCT/JP2010/052909
Other languages
French (fr)
Other versions
WO2010095761A2 (en
Inventor
Tsuyoshi Hamaguchi
Toshiyuki Tanaka
Masaoki Iwasaki
Chika Kato
Takeshi Nobukawa
Takashi Natsume
Original Assignee
Toyota Jidosha Kabushiki Kaisha
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Publication date
Application filed by Toyota Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Publication of WO2010095761A2 publication Critical patent/WO2010095761A2/en
Publication of WO2010095761A3 publication Critical patent/WO2010095761A3/en

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    • 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
    • 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
    • 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
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/462—Ruthenium
    • 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
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/464—Rhodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
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    • B01J23/468—Iridium
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    • B01J23/48—Silver or gold
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J23/58—Platinum group metals with alkali- or alkaline earth metals
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    • 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
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    • B01J23/66—Silver or gold
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    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
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    • B01J23/8906—Iron and noble metals
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    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8946—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali or alkaline earth metals
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    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391—Physical properties of the active metal ingredient
    • B01J35/393—Metal or metal oxide crystallite size
    • B—PERFORMING OPERATIONS; TRANSPORTING
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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
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/16—Reducing
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/16—Reducing
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (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)

Abstract

A catalyst for purification of exhaust gas comprising: a support made of a metal oxide; and metal particles supported on the support, wherein the metal particles are made of a solid solution of at least one first metal selected from the group consisting of Pt, Ag, Mn, Fe and Au with at least one second metal selected from the group consisting of Pd, Rh, Ir and Ru, an average primary particle diameter of the metal particles is 1.5 nm or less, and a standard deviation in metal composition ratio of each primary particle of the metal particles is 10% or less.
PCT/JP2010/052909 2009-02-23 2010-02-18 Catalyst for purification of exhaust gas and method of manufacturing the same WO2010095761A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009038843A JP5491745B2 (en) 2009-02-23 2009-02-23 Exhaust gas purification catalyst and method for producing the same
JP2009-038843 2009-02-23

Publications (2)

Publication Number Publication Date
WO2010095761A2 WO2010095761A2 (en) 2010-08-26
WO2010095761A3 true WO2010095761A3 (en) 2011-08-25

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WO (1) WO2010095761A2 (en)

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EP2682206A4 (en) * 2011-03-04 2014-09-17 Toyota Motor Co Ltd Metal particles, catalyst for exhaust gas purification containing same, and production method therefor
JP5533782B2 (en) * 2011-05-19 2014-06-25 トヨタ自動車株式会社 Exhaust gas purification catalyst and method for producing the same
EP2729248B1 (en) * 2011-07-07 2017-03-01 Toyota Jidosha Kabushiki Kaisha Nox purification catalyst and method of producing the same
CN103781548B (en) 2011-08-23 2016-05-04 丰田自动车株式会社 Cleaning catalyst and manufacture method thereof for exhaust
JP2013220377A (en) * 2012-04-16 2013-10-28 Cataler Corp Exhaust gas purification catalyst
JP6107683B2 (en) * 2014-01-27 2017-04-05 トヨタ自動車株式会社 Method for producing exhaust gas purification catalyst
CN105312050A (en) * 2014-06-02 2016-02-10 丰田自动车株式会社 Exhaust gas purification catalyst, method of producing the same, and exhaust gas purification method using the same
JP6508090B2 (en) * 2016-03-03 2019-05-08 トヨタ自動車株式会社 Exhaust gas purification catalyst

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JP4346215B2 (en) 2000-06-16 2009-10-21 トヨタ自動車株式会社 Method for producing exhaust gas purification catalyst
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US6534661B1 (en) * 2000-12-28 2003-03-18 Hydrocarbon Technologies, Inc. Integrated process and dual-function catalyst for olefin epoxidation
US20070161506A1 (en) * 2004-03-25 2007-07-12 Masayuki Saito Catalyst
US20080081017A1 (en) * 2006-09-29 2008-04-03 Headwaters Nanokinetix, Inc. Methods for manufacturing bi-metallic catalysts having a controlled crystal face exposure
EP1925362A1 (en) * 2006-11-27 2008-05-28 Nanostellar, Inc. Engine exhaust catalysts containing palladium-gold
DE102008042243A1 (en) * 2008-09-22 2010-04-01 Robert Bosch Gmbh Catalytically active coating for use in catalytic converter for treating internal-combustion engine exhaust gases, comprises multiple different zones, where former zone is oxidation zone for nitrogenous compounds

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Title
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