ZA922218B - A process for avoiding h2s emissions in catalytic emission control - Google Patents

A process for avoiding h2s emissions in catalytic emission control

Info

Publication number
ZA922218B
ZA922218B ZA922218A ZA922218A ZA922218B ZA 922218 B ZA922218 B ZA 922218B ZA 922218 A ZA922218 A ZA 922218A ZA 922218 A ZA922218 A ZA 922218A ZA 922218 B ZA922218 B ZA 922218B
Authority
ZA
South Africa
Prior art keywords
emissions
avoiding
emission control
catalytic emission
catalytic
Prior art date
Application number
ZA922218A
Inventor
Rainer Domesle
Domesle Rainer
Bernd Engler
Engler Bernd
Edgar Koberstein
Koberstein Edgar
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 ZA922218B publication Critical patent/ZA922218B/en

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)
  • Exhaust Gas After Treatment (AREA)
  • Incineration Of Waste (AREA)

Abstract

Process to prevent hydrogen sulphide emissions during the catalytic purification of automobile exhaust gases, characterised in that the exhaust gases leaving the catalytic converter are passed through a gas-permeable body made of metallic nickel or having a nickel coating.
ZA922218A 1991-03-27 1992-03-26 A process for avoiding h2s emissions in catalytic emission control ZA922218B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4110054A DE4110054C2 (en) 1991-03-27 1991-03-27 Use of a gas-permeable body made of metallic nickel or with a nickel coating to avoid H¶2¶S emissions during catalytic car exhaust gas cleaning

Publications (1)

Publication Number Publication Date
ZA922218B true ZA922218B (en) 1992-12-30

Family

ID=6428324

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA922218A ZA922218B (en) 1991-03-27 1992-03-26 A process for avoiding h2s emissions in catalytic emission control

Country Status (7)

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

Families Citing this family (1)

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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033992A (en) * 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 (en) * 1975-12-06 1977-06-23 Bremshey Ag IC vehicle engine exhaust purifier - has twin catalysts respectively of noble and non noble metal
JP2530849B2 (en) * 1987-05-07 1996-09-04 臼井国際産業株式会社 Manufacturing method of metal carrier for supporting exhaust gas purifying catalyst
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 (en) * 1988-09-07 1989-07-20 Degussa Ag, 6000 Frankfurt, De

Also Published As

Publication number Publication date
DE4110054A1 (en) 1992-10-01
ATE120100T1 (en) 1995-04-15
MX9201347A (en) 1992-10-01
EP0505853B1 (en) 1995-03-22
DE4110054C2 (en) 1996-09-12
BR9201033A (en) 1992-11-24
EP0505853A1 (en) 1992-09-30
DE59201698D1 (en) 1995-04-27
KR920018320A (en) 1992-10-21

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