DE3023943C2 - Verfahren zur Umwandlung von Kohlenmonoxid, Kohlenwasserstoffen und Stickstoffoxiden im heißen Abgas eines Verbrennungsmotors - Google Patents

Verfahren zur Umwandlung von Kohlenmonoxid, Kohlenwasserstoffen und Stickstoffoxiden im heißen Abgas eines Verbrennungsmotors

Info

Publication number
DE3023943C2
DE3023943C2 DE3023943A DE3023943A DE3023943C2 DE 3023943 C2 DE3023943 C2 DE 3023943C2 DE 3023943 A DE3023943 A DE 3023943A DE 3023943 A DE3023943 A DE 3023943A DE 3023943 C2 DE3023943 C2 DE 3023943C2
Authority
DE
Germany
Prior art keywords
rhodium
catalyst
exhaust gas
weight
hydrocarbons
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE3023943A
Other languages
German (de)
English (en)
Other versions
DE3023943A1 (de
Inventor
George Cecil Arlington Hights Ill. Joy III
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell UOP LLC
Original Assignee
UOP LLC
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 UOP LLC filed Critical UOP LLC
Publication of DE3023943A1 publication Critical patent/DE3023943A1/de
Application granted granted Critical
Publication of DE3023943C2 publication Critical patent/DE3023943C2/de
Expired legal-status Critical Current

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
    • 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
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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)
  • 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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE3023943A 1979-06-27 1980-06-26 Verfahren zur Umwandlung von Kohlenmonoxid, Kohlenwasserstoffen und Stickstoffoxiden im heißen Abgas eines Verbrennungsmotors Expired DE3023943C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5264779A 1979-06-27 1979-06-27

Publications (2)

Publication Number Publication Date
DE3023943A1 DE3023943A1 (de) 1981-01-15
DE3023943C2 true DE3023943C2 (de) 1982-12-02

Family

ID=21978972

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3023943A Expired DE3023943C2 (de) 1979-06-27 1980-06-26 Verfahren zur Umwandlung von Kohlenmonoxid, Kohlenwasserstoffen und Stickstoffoxiden im heißen Abgas eines Verbrennungsmotors

Country Status (7)

Country Link
JP (1) JPS591366B2 (fr)
CA (1) CA1154937A (fr)
DE (1) DE3023943C2 (fr)
FR (1) FR2464092B1 (fr)
GB (1) GB2055303B (fr)
IT (1) IT1131554B (fr)
SE (1) SE8004737L (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559929A (en) * 1978-07-06 1980-01-24 Tarou Sone Vertically circulating paking apparatus
DE3536158A1 (de) * 1985-10-10 1986-02-13 Ulf Dipl.-Landw. Dr. 7967 Bad Waldsee Abele Verfahren zur reinigung von luft, abgasen und rohgasen von vorwiegend organischen, geruchswirksamen verbindungen
JPS6423949U (fr) * 1987-07-30 1989-02-08
US20040086441A1 (en) 1995-12-06 2004-05-06 Masao Hori Process for purifying exhaust gas from gasoline engines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1383896A (en) * 1972-06-14 1974-02-12 Grace W R & Co Process of removing noxious components from exhaust gases with the aid of a catalyst

Also Published As

Publication number Publication date
FR2464092A1 (fr) 1981-03-06
JPS591366B2 (ja) 1984-01-11
GB2055303A (en) 1981-03-04
DE3023943A1 (de) 1981-01-15
FR2464092B1 (fr) 1986-08-29
IT8023147A0 (it) 1980-06-30
GB2055303B (en) 1983-05-05
JPS5631430A (en) 1981-03-30
IT1131554B (it) 1986-06-25
SE8004737L (sv) 1980-12-28
CA1154937A (fr) 1983-10-11

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8339 Ceased/non-payment of the annual fee