BE788126A - CATALYST, ITS PREPARATION PROCESS, AND ITS USE TO PURIFY THE EXHAUST GASES OF COMBUSTION ENGINES - Google Patents

CATALYST, ITS PREPARATION PROCESS, AND ITS USE TO PURIFY THE EXHAUST GASES OF COMBUSTION ENGINES

Info

Publication number
BE788126A
BE788126A BE788126A BE788126A BE788126A BE 788126 A BE788126 A BE 788126A BE 788126 A BE788126 A BE 788126A BE 788126 A BE788126 A BE 788126A BE 788126 A BE788126 A BE 788126A
Authority
BE
Belgium
Prior art keywords
purify
catalyst
preparation process
exhaust gases
combustion engines
Prior art date
Application number
BE788126A
Other languages
French (fr)
Original Assignee
Sued Chemie 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
Priority claimed from DE19712143789 external-priority patent/DE2143789C3/en
Application filed by Sued Chemie Ag filed Critical Sued Chemie Ag
Publication of BE788126A publication Critical patent/BE788126A/en

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
    • 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
    • B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • 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
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
    • 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
    • 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
    • B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
    • B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
    • B01D53/9472—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/10—Oxidants
    • B01D2251/102—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1021—Platinum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20746—Cobalt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20753—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
BE788126A 1971-09-01 1972-08-29 CATALYST, ITS PREPARATION PROCESS, AND ITS USE TO PURIFY THE EXHAUST GASES OF COMBUSTION ENGINES BE788126A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712143789 DE2143789C3 (en) 1971-09-01 Process for the production of catalytic converters and the use thereof for cleaning exhaust gases from internal combustion engines

Publications (1)

Publication Number Publication Date
BE788126A true BE788126A (en) 1972-12-18

Family

ID=5818371

Family Applications (1)

Application Number Title Priority Date Filing Date
BE788126A BE788126A (en) 1971-09-01 1972-08-29 CATALYST, ITS PREPARATION PROCESS, AND ITS USE TO PURIFY THE EXHAUST GASES OF COMBUSTION ENGINES

Country Status (17)

Country Link
JP (1) JPS4834792A (en)
AT (1) AT322515B (en)
BE (1) BE788126A (en)
BR (1) BR7206055D0 (en)
CA (1) CA994318A (en)
CH (1) CH571890A5 (en)
CS (1) CS157607B2 (en)
DK (1) DK142266C (en)
FR (1) FR2150782B1 (en)
GB (1) GB1368661A (en)
IL (1) IL40262A (en)
IT (1) IT962112B (en)
NL (1) NL7211789A (en)
PL (1) PL79501B1 (en)
RO (1) RO62454A (en)
SE (1) SE381576B (en)
SU (1) SU460606A3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343316B2 (en) * 1973-07-13 1978-11-18
JPS542912B2 (en) * 1973-09-10 1979-02-15
GB2024646B (en) * 1978-07-10 1983-05-05 Johnson Matthey Co Ltd Catalytic oxidation of smoke in exhaust gases
JPS6135853A (en) * 1984-07-27 1986-02-20 Nikki Universal Co Ltd Carbon monoxide removing catalyst
US7150861B2 (en) 2001-09-28 2006-12-19 Nippon Shokubai Co., Ltd. Catalyst for purification of exhaust gases and process for purification of exhaust gases
DE102018128152A1 (en) * 2018-11-12 2020-05-14 Man Energy Solutions Se Process for the aftertreatment of the exhaust gas of an internal combustion engine and internal combustion engine

Also Published As

Publication number Publication date
SE381576B (en) 1975-12-15
NL7211789A (en) 1973-03-05
DK142266C (en) 1981-03-02
DK142266B (en) 1980-10-06
CA994318A (en) 1976-08-03
CH571890A5 (en) 1976-01-30
PL79501B1 (en) 1975-06-30
DE2143789B2 (en) 1976-04-01
JPS4834792A (en) 1973-05-22
RO62454A (en) 1978-01-15
DE2143789A1 (en) 1973-03-22
GB1368661A (en) 1974-10-02
IL40262A (en) 1976-01-30
CS157607B2 (en) 1974-09-16
AT322515B (en) 1975-05-26
IL40262A0 (en) 1972-10-29
SU460606A3 (en) 1975-02-15
BR7206055D0 (en) 1973-08-30
FR2150782A1 (en) 1973-04-13
FR2150782B1 (en) 1980-03-14
IT962112B (en) 1973-12-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SUD CHEMIE A.G.

Effective date: 19850831