BR7200907D0 - PROCESS FOR SUBSTANTIALLY INSTANT CONVERSION IN A COLD START OF OXIDIBLE COMPONENTS CONTAINED IN THE EXHAUST GAS OF AN INTERNAL COMBUSTION ENGINE AND APPARATUS - Google Patents

PROCESS FOR SUBSTANTIALLY INSTANT CONVERSION IN A COLD START OF OXIDIBLE COMPONENTS CONTAINED IN THE EXHAUST GAS OF AN INTERNAL COMBUSTION ENGINE AND APPARATUS

Info

Publication number
BR7200907D0
BR7200907D0 BR907/72A BR90772A BR7200907D0 BR 7200907 D0 BR7200907 D0 BR 7200907D0 BR 907/72 A BR907/72 A BR 907/72A BR 90772 A BR90772 A BR 90772A BR 7200907 D0 BR7200907 D0 BR 7200907D0
Authority
BR
Brazil
Prior art keywords
oxidible
exhaust gas
combustion engine
internal combustion
cold start
Prior art date
Application number
BR907/72A
Other languages
Portuguese (pt)
Inventor
T Depalma
Original Assignee
Universal Oil Prod Co
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 Universal Oil Prod Co filed Critical Universal Oil Prod Co
Publication of BR7200907D0 publication Critical patent/BR7200907D0/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
    • B01D53/944—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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • 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
    • F01N3/20—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 specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
    • 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
    • F01N3/24—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 constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • F01N3/2832—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support granular, e.g. pellets
    • 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
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/08—Granular material
    • 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)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
BR907/72A 1971-02-19 1972-02-18 PROCESS FOR SUBSTANTIALLY INSTANT CONVERSION IN A COLD START OF OXIDIBLE COMPONENTS CONTAINED IN THE EXHAUST GAS OF AN INTERNAL COMBUSTION ENGINE AND APPARATUS BR7200907D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11699271A 1971-02-19 1971-02-19

Publications (1)

Publication Number Publication Date
BR7200907D0 true BR7200907D0 (en) 1973-06-14

Family

ID=22370451

Family Applications (1)

Application Number Title Priority Date Filing Date
BR907/72A BR7200907D0 (en) 1971-02-19 1972-02-18 PROCESS FOR SUBSTANTIALLY INSTANT CONVERSION IN A COLD START OF OXIDIBLE COMPONENTS CONTAINED IN THE EXHAUST GAS OF AN INTERNAL COMBUSTION ENGINE AND APPARATUS

Country Status (10)

Country Link
AU (1) AU471068B2 (en)
BR (1) BR7200907D0 (en)
CA (1) CA984123A (en)
ES (1) ES399882A1 (en)
FR (1) FR2126014A5 (en)
GB (1) GB1371941A (en)
IT (1) IT950645B (en)
NL (1) NL7202082A (en)
SE (1) SE378880B (en)
ZA (1) ZA72770B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2904431B2 (en) * 1993-03-26 1999-06-14 日本碍子株式会社 Exhaust gas purification equipment

Also Published As

Publication number Publication date
SE378880B (en) 1975-09-15
DE2206954B2 (en) 1975-09-18
AU471068B2 (en) 1976-04-08
GB1371941A (en) 1974-10-30
FR2126014A5 (en) 1972-09-29
ZA72770B (en) 1972-11-29
DE2206954A1 (en) 1972-08-31
IT950645B (en) 1973-06-20
CA984123A (en) 1976-02-24
ES399882A1 (en) 1975-09-16
NL7202082A (en) 1972-08-22
AU3885272A (en) 1973-08-16

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