MX2017010295A - Catalizador de oxidacion diesel. - Google Patents

Catalizador de oxidacion diesel.

Info

Publication number
MX2017010295A
MX2017010295A MX2017010295A MX2017010295A MX2017010295A MX 2017010295 A MX2017010295 A MX 2017010295A MX 2017010295 A MX2017010295 A MX 2017010295A MX 2017010295 A MX2017010295 A MX 2017010295A MX 2017010295 A MX2017010295 A MX 2017010295A
Authority
MX
Mexico
Prior art keywords
oxidation catalyst
catalyst compound
oxidation
nox
component
Prior art date
Application number
MX2017010295A
Other languages
English (en)
Inventor
Sung Shiang
A Roth Stanley
Gerlach Olga
Zheng Xiaolai
William Mccanty Patrick
Kögel Markus
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 MX2017010295A publication Critical patent/MX2017010295A/es

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    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
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Abstract

Se describen un compuesto de catalizador de oxidación, procedimientos y sistemas para el tratamiento de emisiones de gases de escape de un motor diésel. Más particularmente, se describe un compuesto de catalizador de oxidación que incluye un primer componente de oxidación que comprende un primer soporte de óxido metálico refractario, paladio (Pd) y platino (Pt); un componente de almacenamiento de NOx que comprende uno o más de alúmina, silicio, titania, ceria o manganeso; y un segundo componente de oxidación que comprende un segundo óxido metálico refractario, una zeolita y Pt. El compuesto de catalizador de oxidación es tolerante al azufre, adsorbe NOx y libera térmicamente el NOx almacenado a una temperatura inferior a 350 °C.
MX2017010295A 2015-02-09 2016-02-08 Catalizador de oxidacion diesel. MX2017010295A (es)

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PCT/US2016/016949 WO2016130456A1 (en) 2015-02-09 2016-02-08 Diesel oxidation catalyst

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