BR9201033A - Processo para se evitar emissoes de h2s quando da purificacao catalitica de gas de descarga de autos - Google Patents

Processo para se evitar emissoes de h2s quando da purificacao catalitica de gas de descarga de autos

Info

Publication number
BR9201033A
BR9201033A BR929201033A BR9201033A BR9201033A BR 9201033 A BR9201033 A BR 9201033A BR 929201033 A BR929201033 A BR 929201033A BR 9201033 A BR9201033 A BR 9201033A BR 9201033 A BR9201033 A BR 9201033A
Authority
BR
Brazil
Prior art keywords
discharge gas
catalytic purification
automatic discharge
avoid emissions
exhaust gases
Prior art date
Application number
BR929201033A
Other languages
English (en)
Inventor
Rainer Dr Domesle
Bernd Dr Engler
Edgar Dr Koberstein
Original Assignee
Desussa Ag
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 Desussa Ag filed Critical Desussa Ag
Publication of BR9201033A publication Critical patent/BR9201033A/pt

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
    • 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
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/755—Nickel
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Incineration Of Waste (AREA)
  • Exhaust Gas After Treatment (AREA)
BR929201033A 1991-03-27 1992-03-25 Processo para se evitar emissoes de h2s quando da purificacao catalitica de gas de descarga de autos BR9201033A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4110054A DE4110054C2 (de) 1991-03-27 1991-03-27 Verwendung eines gasdurchlässigen Körpers aus metallischem Nickel oder mit Nickelbeschichtung zur Vermeidung von H¶2¶S-Emissionen bei der katalytischen Autoabgasreinigung

Publications (1)

Publication Number Publication Date
BR9201033A true BR9201033A (pt) 1992-11-24

Family

ID=6428324

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929201033A BR9201033A (pt) 1991-03-27 1992-03-25 Processo para se evitar emissoes de h2s quando da purificacao catalitica de gas de descarga de autos

Country Status (7)

Country Link
EP (1) EP0505853B1 (pt)
KR (1) KR920018320A (pt)
AT (1) ATE120100T1 (pt)
BR (1) BR9201033A (pt)
DE (2) DE4110054C2 (pt)
MX (1) MX9201347A (pt)
ZA (1) ZA922218B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014113016B4 (de) * 2014-09-10 2023-08-31 Umicore Ag & Co. Kg Beschichtungssuspension

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033992A (pt) * 1973-07-31 1975-04-02
US3998599A (en) * 1974-09-20 1976-12-21 Gould Inc. System for catalytic reduction of NOx emanating from an internal combustion engine
DE2555038A1 (de) * 1975-12-06 1977-06-23 Bremshey Ag Katalytische abgasreinigungsvorrichtung
JP2530849B2 (ja) * 1987-05-07 1996-09-04 臼井国際産業株式会社 排気ガス浄化用触媒を担持させるための金属製担持母体の製造法
US4760044A (en) * 1987-06-15 1988-07-26 Allied-Signal Inc. Catalyst for minimizing the H2 S emissions from automotive exhaust and method of its manufacture
US4868148A (en) * 1987-08-24 1989-09-19 Allied-Signal Inc. Layered automotive catalytic composite
US4939113A (en) * 1987-11-03 1990-07-03 Engelhard Corporation Hydrogen sulfide suppressing catalyst system using an oxide of copper, manganese, nickel or iron
DE3830319C1 (pt) * 1988-09-07 1989-07-20 Degussa Ag, 6000 Frankfurt, De

Also Published As

Publication number Publication date
DE4110054C2 (de) 1996-09-12
KR920018320A (ko) 1992-10-21
EP0505853B1 (de) 1995-03-22
ATE120100T1 (de) 1995-04-15
EP0505853A1 (de) 1992-09-30
DE4110054A1 (de) 1992-10-01
MX9201347A (es) 1992-10-01
ZA922218B (en) 1992-12-30
DE59201698D1 (de) 1995-04-27

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
FC Decision: refusal
B15K Others concerning applications: alteration of classification

Ipc: B01D 53/94 (2006.01), B01J 23/755 (2006.0