BR112012019009A2 - catalisador absorvedor de nox, processo de manufatura de um catalisador , método de conversão de óxidos de nitrogênio em gás de escapamento, sistema de escapamento para um motor de combustão interna, e, veículo a motor - Google Patents

catalisador absorvedor de nox, processo de manufatura de um catalisador , método de conversão de óxidos de nitrogênio em gás de escapamento, sistema de escapamento para um motor de combustão interna, e, veículo a motor

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Publication number
BR112012019009A2
BR112012019009A2 BR112012019009A BR112012019009A BR112012019009A2 BR 112012019009 A2 BR112012019009 A2 BR 112012019009A2 BR 112012019009 A BR112012019009 A BR 112012019009A BR 112012019009 A BR112012019009 A BR 112012019009A BR 112012019009 A2 BR112012019009 A2 BR 112012019009A2
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BR
Brazil
Prior art keywords
solid body
extruded solid
alkaline earth
metal
catalyst
Prior art date
Application number
BR112012019009A
Other languages
English (en)
Inventor
Daniel Swallow
Elizabeth Hazel Mountstevens
Hubert Schedel
Jörg Werner Münch
Paul Richard Phillips
Rainer Leppelt
Ralf Dotzel
Original Assignee
Johnson Matthey Plc
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 Johnson Matthey Plc filed Critical Johnson Matthey Plc
Publication of BR112012019009A2 publication Critical patent/BR112012019009A2/pt

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    • 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
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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
    • B01J23/74—Iron group metals
    • B01J23/745—Iron
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    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
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Abstract

catalisador absorvedor de nox, processo de manufatura de um catalisador , método de conversão de óxidos de nitrogênio em gás de escapamento, sistema de escapamento para um motor de combustão interna ,e , veículo a motor um catalisador absorvedor de no~ x~ que compreende um corpo sólido extrusado ou : de 10-100%, em peso , de pelos menos um componente de matriz/aglutinante; de 5-90% , em peso, de uma peneira molecular zeolítica , de uma peneira molecular não-zeolítica, ou de uma mistura de dois ou mais dos mesmos; cujos catalisador compreende pelo menos um metal precioso, que compreende (a) pelo menos um metal precioso ; e (b) pelo menos um metal alcalino ou pelo menos um metal alcalino terroso, em que (a) e (b) são carregados em uma ou mais camada(s) de revestimento sobre uma superfície do corpo sólido extrusado; ou (b) de 10-100% , em peso, de céria opcionalmente estabilizada , cujo catalisador compreende pelo menos um metal , que compreende (a) pelo menos um metal precioso; e (b) pelo menos um metal alcalino ou pelo menos um metal alcalino terroso, em que: (i) o pelo menos um metal alcalino ou pelo menos um metal alcalino terroso está presente em todo o corpo sólido extrusado; (ii) uma maior parte do pelo menos um metal alcalino ou pelo menos um metal alcalino terroso está localizada em uma superfície do corpo sólido extrusado; (iii) o pelo menos um metal alcalino ou pelo menos um metal alcalino terroso é carregado em uma ou mais camada(s) de revestimento sobre uma superfície do corpo sólido extrusado; (iv) o pelo menos um metal alcalino ou pelo menos um metal alcalino terroso está presente em todo o corpo sólido extrusado e está tambpem presente , em uam concentração mais alta , em uma superfície do corpo sólido extrusado; (v) o pelo menos um metal alcalino ou pelo menos um metal alcalno terroso está presente em todo o corpo sólido extrusado e é também carregado em uma ou mais camada(s) de reveistimento sobre uma superficie do corpo sólido extrusado; ou (vi) o pelo menos um metal alcalino ou o pelo menos um metal alcalino terroso está presente em todo o corpo sólido extrusado , está presente em uma concentração ,mais alta em uma superfície do corpo sólido extrusado e é também carregado em uma ou mais camada(s) de revestimento sobre a superfície do corpo sólido extrusado.
BR112012019009A 2010-02-01 2011-02-01 catalisador absorvedor de nox, processo de manufatura de um catalisador , método de conversão de óxidos de nitrogênio em gás de escapamento, sistema de escapamento para um motor de combustão interna, e, veículo a motor BR112012019009A2 (pt)

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US30027910P 2010-02-01 2010-02-01
PCT/GB2011/050164 WO2011092523A1 (en) 2010-02-01 2011-02-01 NOx ABSORBER CATALYSTS

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BR112012019018-0A BR112012019018B1 (pt) 2010-02-01 2011-02-01 filtro de fluxo de parede, sistema de escapamento para um veículo, e, processo para a fabricação de um filtro de fluxo de parede
BR112012019020A BR112012019020A2 (pt) 2010-02-01 2011-02-01 filtro de fluxo de parede , processo para fabricar um filtro de fluxo de parede , método para tratar emissões de gás de escapamento, sistema de escapamento para um motor de combustão interna , e, veículo
BR112012019030-0A BR112012019030B1 (pt) 2010-02-01 2011-02-01 catalisador de oxidação, processo para manufaturar o catalisador de oxidação, método para tratar emissões de gás de escapamento de motores de combustão interna, e, sistema de escpamento para um motor de combustão interna
BR112012019036-9A BR112012019036B1 (pt) 2010-02-01 2011-02-01 Catalisador de três vias, processo de manufatura de um catalisador de três vias, método de tratamento de emissões de gases de escapamento a partir de motores de combustão interna a partir de uma fonte estacionária ou de um veículo, e, sistema de escapamento para um motor de combustão interna
BR112012019009A BR112012019009A2 (pt) 2010-02-01 2011-02-01 catalisador absorvedor de nox, processo de manufatura de um catalisador , método de conversão de óxidos de nitrogênio em gás de escapamento, sistema de escapamento para um motor de combustão interna, e, veículo a motor

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BR112012019018-0A BR112012019018B1 (pt) 2010-02-01 2011-02-01 filtro de fluxo de parede, sistema de escapamento para um veículo, e, processo para a fabricação de um filtro de fluxo de parede
BR112012019020A BR112012019020A2 (pt) 2010-02-01 2011-02-01 filtro de fluxo de parede , processo para fabricar um filtro de fluxo de parede , método para tratar emissões de gás de escapamento, sistema de escapamento para um motor de combustão interna , e, veículo
BR112012019030-0A BR112012019030B1 (pt) 2010-02-01 2011-02-01 catalisador de oxidação, processo para manufaturar o catalisador de oxidação, método para tratar emissões de gás de escapamento de motores de combustão interna, e, sistema de escpamento para um motor de combustão interna
BR112012019036-9A BR112012019036B1 (pt) 2010-02-01 2011-02-01 Catalisador de três vias, processo de manufatura de um catalisador de três vias, método de tratamento de emissões de gases de escapamento a partir de motores de combustão interna a partir de uma fonte estacionária ou de um veículo, e, sistema de escapamento para um motor de combustão interna

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