MX173116B - Procedimiento para la purificacion de gases de escape de motores diesel - Google Patents

Procedimiento para la purificacion de gases de escape de motores diesel

Info

Publication number
MX173116B
MX173116B MX023653A MX2365390A MX173116B MX 173116 B MX173116 B MX 173116B MX 023653 A MX023653 A MX 023653A MX 2365390 A MX2365390 A MX 2365390A MX 173116 B MX173116 B MX 173116B
Authority
MX
Mexico
Prior art keywords
active component
purification
activity
carrier material
vanadium
Prior art date
Application number
MX023653A
Other languages
English (en)
Inventor
Herbert Volker
Rainer Domesle
Bernd Engler
Edgar Koberstein
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6395151&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX173116(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Degussa filed Critical Degussa
Publication of MX173116B publication Critical patent/MX173116B/es

Links

Classifications

    • 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
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Combustion & Propulsion (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

La presente invención se refiere a catalizador de trabajo continuo sin separación de partículas y purificación cíclica, para la purificación oxidante de los gases de escape de motores Diesel con alta potencia de conversión para hidrocarburos y monóxido de carbono a bajas temperaturas y con efecto de oxidación inhibida con respecto al NO y SO2 con compuestos de vanadio y metales del grupo del platino como coponente activo aplicados sobre un material portador favorecedor de la actividad de partículas finas de óxido de aluminio, óxido de titanio, óxido de silicio, zeolita como asi tambien sus mezclas, caracterizado porque, el componente activo contiene vanadio o bien un compuesto de vanadio oxidante estando en contacto con platino, paladio, rodio y/o iridio y todos los componentes del catalizador estan ordenados sobre canales de libre circulación, de un portador inerte de cerámica o de metal monolítico o bien alveolar, obtenible por la impregnación del material portador favorecedor de la actividad al mismo tiempo o en una sucesión a gusto con una solución de compuestos de metales del grupo del platino y una solución de un compuesto de vanadio, secado como tambien en caso dado una calcinación a temperatura de por lo menos 200 grados C, de preferencia en una corriente de gas conteniendo hidrógeno, donde la impregnación con en cada caso de por lo menos uno de ambos materiales de partida para el componente activo se realiza luego o antes de la aplicación del material portador favorecedor de la actividad sobre el portador inerte.
MX023653A 1989-12-09 1990-12-07 Procedimiento para la purificacion de gases de escape de motores diesel MX173116B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3940758A DE3940758A1 (de) 1989-12-09 1989-12-09 Verfahren zur reinigung der abgase von dieselmotoren

Publications (1)

Publication Number Publication Date
MX173116B true MX173116B (es) 1994-02-01

Family

ID=6395151

Family Applications (1)

Application Number Title Priority Date Filing Date
MX023653A MX173116B (es) 1989-12-09 1990-12-07 Procedimiento para la purificacion de gases de escape de motores diesel

Country Status (17)

Country Link
US (2) US5157007A (es)
EP (1) EP0432534B2 (es)
JP (1) JP3297432B2 (es)
KR (1) KR0165111B1 (es)
CN (1) CN1039971C (es)
AR (1) AR247116A1 (es)
AT (1) ATE103504T1 (es)
AU (1) AU629433B2 (es)
BR (1) BR9006184A (es)
CA (1) CA2031762C (es)
DE (2) DE3940758A1 (es)
ES (1) ES2023787T5 (es)
MX (1) MX173116B (es)
RU (1) RU2022643C1 (es)
TR (1) TR25872A (es)
UA (1) UA12905A (es)
ZA (1) ZA909271B (es)

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CN1052262A (zh) 1991-06-19
RU2022643C1 (ru) 1994-11-15
TR25872A (tr) 1993-09-01
AU629433B2 (en) 1992-10-01
CA2031762A1 (en) 1991-06-10
KR910011325A (ko) 1991-08-07
DE59005194D1 (de) 1994-05-05
ATE103504T1 (de) 1994-04-15
BR9006184A (pt) 1991-09-24
AU6769990A (en) 1991-06-13
ES2023787T3 (es) 1994-07-01
KR0165111B1 (ko) 1998-12-15
JP3297432B2 (ja) 2002-07-02
CN1039971C (zh) 1998-09-30
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AR247116A1 (es) 1994-11-30
EP0432534A1 (de) 1991-06-19
CA2031762C (en) 1997-03-11
US5514354A (en) 1996-05-07
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US5157007A (en) 1992-10-20
UA12905A (uk) 1997-02-28
ZA909271B (en) 1991-09-25

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