CH533762A - Verfahren zur Entgiftung der Abgase von Verbrennungsmotoren - Google Patents

Verfahren zur Entgiftung der Abgase von Verbrennungsmotoren

Info

Publication number
CH533762A
CH533762A CH1493171A CH1493171A CH533762A CH 533762 A CH533762 A CH 533762A CH 1493171 A CH1493171 A CH 1493171A CH 1493171 A CH1493171 A CH 1493171A CH 533762 A CH533762 A CH 533762A
Authority
CH
Switzerland
Prior art keywords
detoxification
internal combustion
exhaust gases
combustion engines
engines
Prior art date
Application number
CH1493171A
Other languages
English (en)
Inventor
Stewart Campbell John
Davies Phineas
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Priority claimed from GB4882571A external-priority patent/GB1366103A/en
Publication of CH533762A publication Critical patent/CH533762A/de

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
    • B01D53/9459—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
    • 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
    • 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
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1023—Palladium
    • 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
    • B01D2255/1026—Ruthenium
    • 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
    • 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
    • B01D2255/20761—Copper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (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)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
CH1493171A 1970-10-14 1971-10-13 Verfahren zur Entgiftung der Abgase von Verbrennungsmotoren CH533762A (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB4882570 1970-10-14
GB554671 1971-02-26
GB554571*[A GB1360976A (en) 1970-10-14 1971-02-26 Catalytic process for treating exhaust gases
GB4882571A GB1366103A (en) 1970-10-21 1971-10-20 Rearrangement of organosiloxanes using macroreticular sulphonic acid cation exchange resin

Publications (1)

Publication Number Publication Date
CH533762A true CH533762A (de) 1973-02-28

Family

ID=27447456

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1493171A CH533762A (de) 1970-10-14 1971-10-13 Verfahren zur Entgiftung der Abgase von Verbrennungsmotoren

Country Status (7)

Country Link
US (1) US3849538A (de)
AU (1) AU3454771A (de)
CA (1) CA997533A (de)
CH (1) CH533762A (de)
DE (1) DE2151252A1 (de)
FR (1) FR2110007A5 (de)
GB (1) GB1360976A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029738A (en) * 1971-12-02 1977-06-14 Societe Francaise Des Produits Pour Catalyse Decomposing nitrogen oxides with nickel-iron-chromium catalysts
US4039622A (en) * 1974-11-04 1977-08-02 Exxon Research And Engineering Company Catalytic process for NOX reduction under lean conditions
US4053434A (en) * 1976-06-19 1977-10-11 Union Oil Company Of California Exhaust gas conversion catalyst
US5367889A (en) * 1993-08-25 1994-11-29 Lanyon; Joseph G. Exhaust treatment apparatus
JP6815783B2 (ja) * 2016-07-29 2021-01-20 三菱重工業株式会社 脱硝触媒の製造方法
CN111821804A (zh) * 2020-07-06 2020-10-27 中船澄西船舶修造有限公司 一种船舶烟气净化装置

Also Published As

Publication number Publication date
US3849538A (en) 1974-11-19
DE2151252A1 (de) 1972-07-06
GB1360976A (en) 1974-07-24
FR2110007A5 (de) 1972-05-26
AU3454771A (en) 1973-04-19
CA997533A (en) 1976-09-28

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Legal Events

Date Code Title Description
PL Patent ceased