BR112018015842A2 - composição catalisadora, métodos para produzir um catalisador de zeólito de cha contendo ferro e cobre no mesmo e para reduzir o nível de nox em um gás de escape, artigo catalisador, e sistema de tratamento de emissão - Google Patents

composição catalisadora, métodos para produzir um catalisador de zeólito de cha contendo ferro e cobre no mesmo e para reduzir o nível de nox em um gás de escape, artigo catalisador, e sistema de tratamento de emissão

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Publication number
BR112018015842A2
BR112018015842A2 BR112018015842A BR112018015842A BR112018015842A2 BR 112018015842 A2 BR112018015842 A2 BR 112018015842A2 BR 112018015842 A BR112018015842 A BR 112018015842A BR 112018015842 A BR112018015842 A BR 112018015842A BR 112018015842 A2 BR112018015842 A2 BR 112018015842A2
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BR
Brazil
Prior art keywords
catalyst
emission treatment
iron
copper
producing
Prior art date
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BR112018015842A
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English (en)
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BR112018015842B1 (pt
Inventor
Petrovic Ivan
Original Assignee
Basf Corp
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Publication date
Application filed by Basf Corp filed Critical Basf Corp
Publication of BR112018015842A2 publication Critical patent/BR112018015842A2/pt
Publication of BR112018015842B1 publication Critical patent/BR112018015842B1/pt

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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
    • 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
    • B01J29/76—Iron group metals or copper
    • B01J29/763—CHA-type, e.g. Chabazite, LZ-218
    • 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
    • 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
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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
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    • 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
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    • 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
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    • B01D—SEPARATION
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    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
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    • 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
    • B01J29/723—CHA-type, e.g. Chabazite, LZ-218
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
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Abstract

a presente divulgação fornece de modo geral catalisadores, artigos catalisadores e sistemas catalisadores compreendendo tais artigos catalisadores. em particular, a composição catalisadora compreende um zeólito tendo uma estrutura cristalina de chabazita (cha) permutada ionicamente com ferro e cobre. são também proporcionados métodos de produção e utilização da composição catalisadora, bem como sistemas de tratamento de emissão compreendendo um artigo catalisador revestido com a composição catalisadora. o artigo catalisador presente em tais sistemas de tratamento de emissão é útil para catalisar a redução de óxidos de nitrogênio no escape de gás na presença de um redutor.
BR112018015842-9A 2016-02-03 2017-02-01 Composição catalisadora, métodos para produzir um catalisador e para reduzir o nível de nox em um gás de escape, artigo catalisador e sistema de tratamento de emissão BR112018015842B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662290634P 2016-02-03 2016-02-03
US62/290,634 2016-02-03
PCT/IB2017/050545 WO2017134581A1 (en) 2016-02-03 2017-02-01 Copper and iron co-exchanged chabazite catalyst

Publications (2)

Publication Number Publication Date
BR112018015842A2 true BR112018015842A2 (pt) 2018-12-26
BR112018015842B1 BR112018015842B1 (pt) 2022-10-11

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EP3411145A4 (en) 2019-10-02
WO2017134581A1 (en) 2017-08-10
EP3411145A1 (en) 2018-12-12
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JP2019511354A (ja) 2019-04-25
KR20180102199A (ko) 2018-09-14
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CA3013546A1 (en) 2017-08-10
US20180339288A1 (en) 2018-11-29

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