RO62454A - CATALYST FOR THE PURIFICATION OF EXHAUST GASES - Google Patents

CATALYST FOR THE PURIFICATION OF EXHAUST GASES

Info

Publication number
RO62454A
RO62454A RO7200072101A RO7210172A RO62454A RO 62454 A RO62454 A RO 62454A RO 7200072101 A RO7200072101 A RO 7200072101A RO 7210172 A RO7210172 A RO 7210172A RO 62454 A RO62454 A RO 62454A
Authority
RO
Romania
Prior art keywords
purification
catalyst
exhaust gases
gases
exhaust
Prior art date
Application number
RO7200072101A
Other languages
French (fr)
Romanian (ro)
Inventor
Ernst C Hofstadt
Rudolf Fahn
Michael Schneider
Guenter Donga
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 RO62454A publication Critical patent/RO62454A/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)
  • 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)
RO7200072101A 1971-09-01 1972-09-01 CATALYST FOR THE PURIFICATION OF EXHAUST GASES RO62454A (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
RO62454A true RO62454A (en) 1978-01-15

Family

ID=5818371

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7200072101A RO62454A (en) 1971-09-01 1972-09-01 CATALYST FOR THE PURIFICATION OF EXHAUST GASES

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
FR2150782A1 (en) 1973-04-13
FR2150782B1 (en) 1980-03-14
BE788126A (en) 1972-12-18
DK142266B (en) 1980-10-06
IL40262A0 (en) 1972-10-29
PL79501B1 (en) 1975-06-30
JPS4834792A (en) 1973-05-22
CS157607B2 (en) 1974-09-16
DE2143789B2 (en) 1976-04-01
AT322515B (en) 1975-05-26
GB1368661A (en) 1974-10-02
SU460606A3 (en) 1975-02-15
CA994318A (en) 1976-08-03
BR7206055D0 (en) 1973-08-30
NL7211789A (en) 1973-03-05
DK142266C (en) 1981-03-02
IT962112B (en) 1973-12-20
IL40262A (en) 1976-01-30
DE2143789A1 (en) 1973-03-22
CH571890A5 (en) 1976-01-30
SE381576B (en) 1975-12-15

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