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MX2018009534A - Catalizador de chabazita cointercambiada con cobre y hierro. - Google Patents

Catalizador de chabazita cointercambiada con cobre y hierro.

Info

Publication number
MX2018009534A
MX2018009534A MX2018009534A MX2018009534A MX2018009534A MX 2018009534 A MX2018009534 A MX 2018009534A MX 2018009534 A MX2018009534 A MX 2018009534A MX 2018009534 A MX2018009534 A MX 2018009534A MX 2018009534 A MX2018009534 A MX 2018009534A
Authority
MX
Mexico
Prior art keywords
catalyst
iron
copper
cointercambiada
chabazita
Prior art date
Application number
MX2018009534A
Other languages
English (en)
Inventor
Petrovic Ivan
Original Assignee
Basf Corp
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 Basf Corp filed Critical Basf Corp
Publication of MX2018009534A publication Critical patent/MX2018009534A/es

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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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
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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
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
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    • B01D53/34—Chemical or biological purification of waste gases
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
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  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Processes For Solid Components From Exhaust (AREA)

Abstract

La presente descripción provee en general catalizadores, artículos catalíticos y sistemas catalizadores que comprenden tales artículos catalíticos. En particular, la composición catalizadora comprende una zeolita que posee una estructura de cristal de chabazita (CHA) con intercambio iónico con hierro y cobre. Se proveen también métodos para preparar y usar la composición catalizadora así como también sistemas de tratamiento de emisiones que comprenden un artículo catalizador recubierto con la composición catalizadora. El articulo catalizador presente en dichos sistemas de tratamiento de emisiones es útil para catalizar la reducción de óxidos de nitrógeno en el escape de gases en presencia de un reductor.
MX2018009534A 2016-02-03 2017-02-01 Catalizador de chabazita cointercambiada con cobre y hierro. MX2018009534A (es)

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CN119215975A (zh) 2024-12-31
BR112018015842B1 (pt) 2022-10-11
WO2017134581A1 (en) 2017-08-10
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CA3013546A1 (en) 2017-08-10
JP6925350B2 (ja) 2021-08-25
RU2018131407A (ru) 2020-03-03
US20180339288A1 (en) 2018-11-29
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