WO2009060950A1 - 貴金属担持粉末の製造方法、貴金属担持粉末及び排気ガス浄化用触媒 - Google Patents

貴金属担持粉末の製造方法、貴金属担持粉末及び排気ガス浄化用触媒 Download PDF

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WO2009060950A1
WO2009060950A1 PCT/JP2008/070336 JP2008070336W WO2009060950A1 WO 2009060950 A1 WO2009060950 A1 WO 2009060950A1 JP 2008070336 W JP2008070336 W JP 2008070336W WO 2009060950 A1 WO2009060950 A1 WO 2009060950A1
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Prior art keywords
noble metal
loaded powder
exhaust gas
gas purification
loaded
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PCT/JP2008/070336
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English (en)
French (fr)
Inventor
Fumihiro Uchikawa
Yoshiaki Hiramoto
Haruhiko Shibayama
Keita Manyu
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Nissan Motor Co., Ltd.
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Application filed by Nissan Motor Co., Ltd. filed Critical Nissan Motor Co., Ltd.
Priority to CN2008801147449A priority Critical patent/CN101848764B/zh
Priority to US12/740,445 priority patent/US8324127B2/en
Priority to EP08846710.5A priority patent/EP2213372B1/en
Publication of WO2009060950A1 publication Critical patent/WO2009060950A1/ja
Priority to US13/571,921 priority patent/US8518846B2/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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
    • B01J37/0045—Drying a slurry, e.g. spray drying
    • 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
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
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    • 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
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    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
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    • 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
    • B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
    • B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
    • B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J23/56—Platinum group metals
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    • 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
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    • 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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    • B01J23/894—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 rare earths or actinides
    • B01J35/40—
    • B01J35/60—

Abstract

　本発明では、貴金属担持粉末粒子（３）とバインダー（４）とを液中で混合してスラリを形成し（ステップＳ１）、このスラリに振動を付加して貴金属担持粉末粒子（３）を分散させた後（ステップＳ２）、この貴金属担持粉末粒子（３）が分散した状態のままスラリを噴霧乾燥させることにより（ステップＳ３）、貴金属担持粉末（１）を製造する。このような方法で製造された貴金属担持粉末（１）には、排気ガスが流通する細孔が適切に形成されるため、排気ガス浄化性能を向上させることができる。
PCT/JP2008/070336 2007-11-08 2008-11-07 貴金属担持粉末の製造方法、貴金属担持粉末及び排気ガス浄化用触媒 WO2009060950A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2008801147449A CN101848764B (zh) 2007-11-08 2008-11-07 贵金属负载粉末的制造方法、贵金属负载粉末以及废气净化用催化剂
US12/740,445 US8324127B2 (en) 2007-11-08 2008-11-07 Method of producing noble metal-supported powder, noble metal-supported powder and exhaust gas purifying catalyst
EP08846710.5A EP2213372B1 (en) 2007-11-08 2008-11-07 Method of producing noble metal-supported powder, noble metal-supported powder and exhaust gas purifying catalyst
US13/571,921 US8518846B2 (en) 2007-11-08 2012-08-10 Method of producing noble metal-supported powder, noble metal-supported powder and exhaust gas purifying catalyst

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007290743 2007-11-08
JP2007-290743 2007-11-08
JP2008-283480 2008-11-04
JP2008283480A JP4888470B2 (ja) 2007-11-08 2008-11-04 貴金属担持粉末の製造方法及び排気ガス浄化用触媒

Related Child Applications (2)

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US12/740,445 A-371-Of-International US8324127B2 (en) 2007-11-08 2008-11-07 Method of producing noble metal-supported powder, noble metal-supported powder and exhaust gas purifying catalyst
US13/571,921 Division US8518846B2 (en) 2007-11-08 2012-08-10 Method of producing noble metal-supported powder, noble metal-supported powder and exhaust gas purifying catalyst

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WO2009060950A1 true WO2009060950A1 (ja) 2009-05-14

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EP (1) EP2213372B1 (ja)
JP (1) JP4888470B2 (ja)
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WO (1) WO2009060950A1 (ja)

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JP6426650B2 (ja) * 2016-04-12 2018-11-21 トヨタ自動車株式会社 排ガス浄化用触媒
JP7378295B2 (ja) * 2016-07-22 2023-11-13 ジョンソン、マッセイ、パブリック、リミテッド、カンパニー フィルター基材のための触媒結合剤
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JP2021155784A (ja) * 2020-03-26 2021-10-07 トヨタ紡織株式会社 金属ナノ粒子の製造方法、膜電極接合体の製造方法、及び固体高分子形燃料電池の製造方法
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See also references of EP2213372A4

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US8324127B2 (en) 2012-12-04
JP2009131839A (ja) 2009-06-18
US20120302430A1 (en) 2012-11-29
EP2213372A4 (en) 2014-07-23
EP2213372A1 (en) 2010-08-04
CN101848764B (zh) 2013-08-28
EP2213372B1 (en) 2020-03-25
US8518846B2 (en) 2013-08-27
JP4888470B2 (ja) 2012-02-29
CN103272587A (zh) 2013-09-04
CN101848764A (zh) 2010-09-29
US20100261602A1 (en) 2010-10-14

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