FR2148453A1 - - Google Patents

Info

Publication number
FR2148453A1
FR2148453A1 FR7227906A FR7227906A FR2148453A1 FR 2148453 A1 FR2148453 A1 FR 2148453A1 FR 7227906 A FR7227906 A FR 7227906A FR 7227906 A FR7227906 A FR 7227906A FR 2148453 A1 FR2148453 A1 FR 2148453A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7227906A
Other languages
French (fr)
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.)
VARTA AG
Original Assignee
VARTA 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
Application filed by VARTA AG filed Critical VARTA AG
Publication of FR2148453A1 publication Critical patent/FR2148453A1/fr
Withdrawn legal-status Critical Current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
    • B01J25/00—Catalysts of the Raney type
    • B01J25/02—Raney 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
    • 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)
FR7227906A 1971-08-09 1972-08-02 Withdrawn FR2148453A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2139774A DE2139774C3 (en) 1971-08-09 1971-08-09 Device for detoxifying exhaust gases from internal combustion engines

Publications (1)

Publication Number Publication Date
FR2148453A1 true FR2148453A1 (en) 1973-03-23

Family

ID=5816194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7227906A Withdrawn FR2148453A1 (en) 1971-08-09 1972-08-02

Country Status (5)

Country Link
JP (1) JPS4826691A (en)
DE (1) DE2139774C3 (en)
FR (1) FR2148453A1 (en)
GB (1) GB1401673A (en)
IT (1) IT959939B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2209605A1 (en) * 1972-12-07 1974-07-05 Hitachi Shipbullding Engineeri

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4292208A (en) 1974-05-03 1981-09-29 Alloy Surfaces Company, Inc. Diffusion coating combinations
JPS5814252Y2 (en) * 1975-08-20 1983-03-22 アイシン精機株式会社 brake system
JPS5337890U (en) * 1976-09-07 1978-04-03
DE4345265A1 (en) * 1993-10-16 1995-09-21 Degussa Prodn. of shaped Raney metal catalysts for use in a fixed bed
DE19540191C1 (en) * 1995-10-30 1996-11-21 Degussa Prepn. of isophorone:di:amine from isophorone nitrile
EP1127613A1 (en) * 2000-02-18 2001-08-29 Degussa AG Shaped fixed bed copper-Raney catalyst to be used in the dehydrogenation of alcohols
US6376708B1 (en) 2000-04-11 2002-04-23 Monsanto Technology Llc Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts
MX244781B (en) 2001-10-18 2007-04-03 Monsanto Technology Llc Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts.
BRPI0721717A2 (en) 2007-05-29 2013-02-13 Evonik Degussa Gmbh hydrogenation of nitro compounds, hydrogenation of nitro aromatics, continuous hydrogenation of nitro aromatics and activated ni catalysts
KR101371842B1 (en) * 2007-05-29 2014-03-07 에보니크 데구사 게엠베하 Activated base metal catalysts
WO2008145181A1 (en) 2007-05-29 2008-12-04 Evonik Degussa Gmbh Activated base metal catalysts
BRPI0722161A2 (en) 2007-10-15 2014-03-18 Evonik Degussa Gmbh FAST FILTERING CATALYTIC MIXTURES
JP5162404B2 (en) * 2008-10-03 2013-03-13 株式会社豊田中央研究所 Exhaust gas purification catalyst and method for producing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2209605A1 (en) * 1972-12-07 1974-07-05 Hitachi Shipbullding Engineeri

Also Published As

Publication number Publication date
JPS4826691A (en) 1973-04-07
DE2139774B2 (en) 1974-05-02
GB1401673A (en) 1975-07-16
DE2139774C3 (en) 1975-01-02
DE2139774A1 (en) 1973-04-19
IT959939B (en) 1973-11-10

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse