IT989053B - PROCEDURE FOR THE CATALYTIC REDUCTION OF NITROGEN OXIDES ELECTRONIC DEVICE FOR THE AUTOMATIC ADJUSTMENT AND ACCOUNTS OF THE HEIGHT OF THE CLIMBING HAIR ON ARTICLES IN EXHAUST GAS GENERALLY WITH DIFFERENT THICKNESS ALSO AT SEAMS - Google Patents

PROCEDURE FOR THE CATALYTIC REDUCTION OF NITROGEN OXIDES ELECTRONIC DEVICE FOR THE AUTOMATIC ADJUSTMENT AND ACCOUNTS OF THE HEIGHT OF THE CLIMBING HAIR ON ARTICLES IN EXHAUST GAS GENERALLY WITH DIFFERENT THICKNESS ALSO AT SEAMS

Info

Publication number
IT989053B
IT989053B IT25147/73A IT2514773A IT989053B IT 989053 B IT989053 B IT 989053B IT 25147/73 A IT25147/73 A IT 25147/73A IT 2514773 A IT2514773 A IT 2514773A IT 989053 B IT989053 B IT 989053B
Authority
IT
Italy
Prior art keywords
seams
climbing
accounts
hair
articles
Prior art date
Application number
IT25147/73A
Other languages
Italian (it)
Inventor
N Santucci
G Weidenbach
K Koepernik
Original Assignee
Kali Chemie Ag
Nuovo Pignone Spa
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 Kali Chemie Ag, Nuovo Pignone Spa filed Critical Kali Chemie Ag
Application granted granted Critical
Publication of IT989053B publication Critical patent/IT989053B/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
    • B01D53/9445—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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/46—Ruthenium, rhodium, osmium or iridium
    • B01J23/464—Rhodium
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/16—Reducing
    • 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
    • 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
    • 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)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
IT25147/73A 1972-06-08 1973-06-12 PROCEDURE FOR THE CATALYTIC REDUCTION OF NITROGEN OXIDES ELECTRONIC DEVICE FOR THE AUTOMATIC ADJUSTMENT AND ACCOUNTS OF THE HEIGHT OF THE CLIMBING HAIR ON ARTICLES IN EXHAUST GAS GENERALLY WITH DIFFERENT THICKNESS ALSO AT SEAMS IT989053B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2227877A DE2227877A1 (en) 1972-06-08 1972-06-08 PROCESS FOR THE CATALYTIC REDUCTION OF NITROGEN OXIDES IN EXHAUST GASES

Publications (1)

Publication Number Publication Date
IT989053B true IT989053B (en) 1975-05-20

Family

ID=5847157

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25147/73A IT989053B (en) 1972-06-08 1973-06-12 PROCEDURE FOR THE CATALYTIC REDUCTION OF NITROGEN OXIDES ELECTRONIC DEVICE FOR THE AUTOMATIC ADJUSTMENT AND ACCOUNTS OF THE HEIGHT OF THE CLIMBING HAIR ON ARTICLES IN EXHAUST GAS GENERALLY WITH DIFFERENT THICKNESS ALSO AT SEAMS

Country Status (8)

Country Link
JP (1) JPS4955562A (en)
BE (1) BE800616A (en)
DE (1) DE2227877A1 (en)
FR (1) FR2188678A5 (en)
GB (1) GB1432799A (en)
IT (1) IT989053B (en)
NL (1) NL7308041A (en)
SE (1) SE393436B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361711A (en) * 1981-12-18 1982-11-30 The Standard Oil Company Alcohols from olefins and synthesis gas

Also Published As

Publication number Publication date
FR2188678A5 (en) 1974-01-18
BE800616A (en) 1973-12-07
SE393436B (en) 1977-05-09
JPS4955562A (en) 1974-05-29
NL7308041A (en) 1973-12-11
GB1432799A (en) 1976-04-22
DE2227877A1 (en) 1974-01-03

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