BR112018072184A2 - exhaust gas purification catalyst. - Google Patents

exhaust gas purification catalyst.

Info

Publication number
BR112018072184A2
BR112018072184A2 BR112018072184A BR112018072184A BR112018072184A2 BR 112018072184 A2 BR112018072184 A2 BR 112018072184A2 BR 112018072184 A BR112018072184 A BR 112018072184A BR 112018072184 A BR112018072184 A BR 112018072184A BR 112018072184 A2 BR112018072184 A2 BR 112018072184A2
Authority
BR
Brazil
Prior art keywords
exhaust gas
gas purification
purification catalyst
present
cu2p
Prior art date
Application number
BR112018072184A
Other languages
Portuguese (pt)
Other versions
BR112018072184B1 (en
Inventor
Horimura Hiroyuki
Iwashina Katsuya
Ueno Koji
Suzuki Shumpei
Moriya Toshiharu
Nakahara Yunosuke
Original Assignee
Honda Motor Co Ltd
Mitsui Mining & Smelting Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd, Mitsui Mining & Smelting Co filed Critical Honda Motor Co Ltd
Publication of BR112018072184A2 publication Critical patent/BR112018072184A2/en
Publication of BR112018072184B1 publication Critical patent/BR112018072184B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/227—Measuring photoelectric effect, e.g. photoelectron emission microscopy [PEEM]
    • 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

Abstract

a presente invenção refere-se a um novo catalisador de purificação de gás de escape provido com uma configuração obtida por cu elementar estando presente na superfície de partículas de alumina. o catalisador de purificação de gás de escape provido pela presente invenção exibe uma atividade de catalisador excepcional e pode ser utilizado de modo eficaz como um catalisador de três vias. um catalisador de purificação de gás de escape provido com uma configuração na qual o cu elementar está presente na superfície de partículas de alumina, em que o catalisador de purificação de gás de escape é caracterizado pelo fato de que a razão da área de pico de cu2p é de 7 a 28% conforme medido utilizando espectroscopia de fotoelétrons por raio-x (xps), levando o total das áreas de pico de cu2p e al2p a serem 100%.The present invention relates to a novel exhaust gas purification catalyst provided with an elemental carbon configuration being present on the surface of alumina particles. The exhaust gas purification catalyst provided by the present invention exhibits exceptional catalyst activity and can be effectively used as a three-way catalyst. an exhaust gas purification catalyst provided with a configuration in which the elemental cu is present on the alumina particle surface, wherein the exhaust gas purification catalyst is characterized by the fact that the ratio of the peak area of cu2p is 7 to 28% as measured using x-ray photoelectron (xps) spectroscopy, leading to the total of the cu2p and al2p peak areas being 100%.

BR112018072184-0A 2016-06-06 2017-05-26 Exhaust gas purification catalyst having a structure in which a cu element is present on the surface of the alumina particles BR112018072184B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016112795 2016-06-06
JP2016-112795 2016-06-06
PCT/JP2017/019652 WO2017212944A1 (en) 2016-06-06 2017-05-26 Exhaust gas purification catalyst

Publications (2)

Publication Number Publication Date
BR112018072184A2 true BR112018072184A2 (en) 2019-02-12
BR112018072184B1 BR112018072184B1 (en) 2022-05-03

Family

ID=60577724

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018072184-0A BR112018072184B1 (en) 2016-06-06 2017-05-26 Exhaust gas purification catalyst having a structure in which a cu element is present on the surface of the alumina particles

Country Status (4)

Country Link
JP (1) JP6741666B2 (en)
CN (1) CN109219480B (en)
BR (1) BR112018072184B1 (en)
WO (1) WO2017212944A1 (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0859236A (en) * 1994-08-19 1996-03-05 Toyota Motor Corp Highly heat-resistant copper-alumina double oxide and cleaning method of exhaust gas
CA2250132A1 (en) * 1996-03-21 1997-09-25 Mallinckrodt Chemical, Inc. Preparation and use of non-chrome catalysts for cu/cr catalyst applications
DE19724545A1 (en) * 1997-06-11 1998-12-24 Basf Ag Storage catalytic converter
US6306795B1 (en) * 1999-09-07 2001-10-23 Cytec Technology Corp. Stable highly active supported copper based catalysts
GB0028240D0 (en) * 2000-11-20 2001-01-03 Johnson Matthey Plc Three-way catalyst composition
JP4607715B2 (en) * 2005-09-06 2011-01-05 株式会社東芝 Catalyst and method for producing catalyst
JP4772561B2 (en) * 2006-03-31 2011-09-14 株式会社東芝 Methanol reforming catalyst, shift catalyst, method for producing methanol reforming catalyst, and method for producing shift catalyst
CN102131582B (en) * 2008-12-03 2013-11-13 第一稀元素化学工业株式会社 Exhaust gas purifying catalyst, exhaust gas purifying apparatus using same, and exhaust gas purifying method
JP2012071271A (en) * 2010-09-29 2012-04-12 Daihatsu Motor Co Ltd Catalyst for cleaning exhaust gas and method for manufacturing the same
JP2012115769A (en) * 2010-12-01 2012-06-21 Toyota Industries Corp Catalyst, and method of producing catalyst
WO2013191298A1 (en) * 2012-06-20 2013-12-27 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst support for purification of exhaust gas, catalyst for purification of exhaust gas using the same, and method for producing the catalyst support for purification of exhaust gas
CN102974347B (en) * 2012-12-03 2015-05-20 南京大学 Method for preparing copper-based nano-catalyst with different valence states

Also Published As

Publication number Publication date
JP6741666B2 (en) 2020-08-19
CN109219480B (en) 2021-08-06
JPWO2017212944A1 (en) 2019-04-04
CN109219480A (en) 2019-01-15
WO2017212944A1 (en) 2017-12-14
BR112018072184B1 (en) 2022-05-03

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Legal Events

Date Code Title Description
B350 Update of information on the portal [chapter 15.35 patent gazette]
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 26/05/2017, OBSERVADAS AS CONDICOES LEGAIS.