MX9302276A - Catalizador para la purificacion oxidativa de los gases de excape de motores diesel. - Google Patents

Catalizador para la purificacion oxidativa de los gases de excape de motores diesel.

Info

Publication number
MX9302276A
MX9302276A MX9302276A MX9302276A MX9302276A MX 9302276 A MX9302276 A MX 9302276A MX 9302276 A MX9302276 A MX 9302276A MX 9302276 A MX9302276 A MX 9302276A MX 9302276 A MX9302276 A MX 9302276A
Authority
MX
Mexico
Prior art keywords
catalyst
diesel engines
gases
excape
oxidative purification
Prior art date
Application number
MX9302276A
Other languages
English (en)
Inventor
Rainer Domesle
Juergen Leyrer
Egbert Lox
Bernd Engler
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of MX9302276A publication Critical patent/MX9302276A/es

Links

Classifications

    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • 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)
    • 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
    • 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
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/648—Vanadium, niobium or tantalum or polonium
    • B01J23/6482—Vanadium
    • B01J35/56—
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0248—Coatings comprising impregnated particles
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

La invención se refiere a un catalizador para la purificación oxidativa de los gases de escape de motores diesel con elevado rendimiento de conversión para los hidrocarburos y monóxido de carbono y un efecto de oxidación inhibido frente a los óxidos de nitrógeno y el dióxido de azufre, conteniendo un cuerpo de catalizador monolítico con canales de libre circulación de cerámica o metal.
MX9302276A 1992-04-21 1993-04-20 Catalizador para la purificacion oxidativa de los gases de excape de motores diesel. MX9302276A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4213018A DE4213018C1 (de) 1992-04-21 1992-04-21 Katalysator zur oxidativen Reinigung der Abgase von Dieselmotoren

Publications (1)

Publication Number Publication Date
MX9302276A true MX9302276A (es) 1994-02-28

Family

ID=6457105

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9302276A MX9302276A (es) 1992-04-21 1993-04-20 Catalizador para la purificacion oxidativa de los gases de excape de motores diesel.

Country Status (18)

Country Link
US (1) US5371056A (es)
EP (1) EP0566878A1 (es)
JP (1) JPH067677A (es)
KR (1) KR930021260A (es)
CN (1) CN1077661A (es)
AU (1) AU655724B2 (es)
BR (1) BR9301613A (es)
CA (1) CA2094429A1 (es)
CZ (1) CZ379892A3 (es)
DE (1) DE4213018C1 (es)
HU (1) HUT69735A (es)
MX (1) MX9302276A (es)
PL (1) PL298569A1 (es)
RO (1) RO111740B1 (es)
SK (1) SK379892A3 (es)
TR (1) TR28120A (es)
TW (1) TW263448B (es)
ZA (1) ZA932806B (es)

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JP2007534477A (ja) * 2004-04-26 2007-11-29 ハーテーエー・アクチェンゲゼルシャフト・ザ・ハイ・スループット・イクスペリメンテイション・カンパニー 酸素リッチな排ガスから一酸化炭素および炭化水素を同時除去するための触媒、ならびにその製造方法
US7235507B2 (en) * 2004-08-14 2007-06-26 Sud-Chemie Inc. Catalyst for purifying diesel engine exhaust emissions
US7879758B2 (en) * 2004-09-30 2011-02-01 Pall Corporation Catalytically active porous element
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Also Published As

Publication number Publication date
HU9301170D0 (en) 1993-08-30
JPH067677A (ja) 1994-01-18
EP0566878A1 (de) 1993-10-27
KR930021260A (ko) 1993-11-22
CZ379892A3 (en) 1993-12-15
PL298569A1 (en) 1993-11-02
SK379892A3 (en) 1996-04-03
HUT69735A (en) 1995-09-28
CA2094429A1 (en) 1993-10-22
RO111740B1 (ro) 1997-01-30
CN1077661A (zh) 1993-10-27
BR9301613A (pt) 1993-10-26
AU655724B2 (en) 1995-01-05
TR28120A (tr) 1996-01-08
DE4213018C1 (de) 1993-12-09
ZA932806B (en) 1993-11-16
TW263448B (es) 1995-11-21
US5371056A (en) 1994-12-06
AU3702693A (en) 1993-10-28

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