IT996179B - Struttura catalitica per catalizza re specialmente gli ossidi di azo to contenuti nei gas di scarico di autoveicoli - Google Patents

Struttura catalitica per catalizza re specialmente gli ossidi di azo to contenuti nei gas di scarico di autoveicoli

Info

Publication number
IT996179B
IT996179B IT52626/73A IT5262673A IT996179B IT 996179 B IT996179 B IT 996179B IT 52626/73 A IT52626/73 A IT 52626/73A IT 5262673 A IT5262673 A IT 5262673A IT 996179 B IT996179 B IT 996179B
Authority
IT
Italy
Prior art keywords
catalyzing
exhaust gases
motor vehicles
oxides contained
catalytic structure
Prior art date
Application number
IT52626/73A
Other languages
English (en)
Italian (it)
Original Assignee
Gould Inc
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 US05/305,738 external-priority patent/US4111849A/en
Application filed by Gould Inc filed Critical Gould Inc
Application granted granted Critical
Publication of IT996179B publication Critical patent/IT996179B/it

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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional [3D] monoliths
    • 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
    • B01J23/74—Iron group metals
    • B01J23/755—Nickel
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/02—Preparation of nitrogen
    • 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
    • F01N3/2807—Metal other than sintered metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
IT52626/73A 1972-11-13 1973-09-20 Struttura catalitica per catalizza re specialmente gli ossidi di azo to contenuti nei gas di scarico di autoveicoli IT996179B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/305,738 US4111849A (en) 1972-05-03 1972-11-13 Low copper NOx reduction catalyst

Publications (1)

Publication Number Publication Date
IT996179B true IT996179B (it) 1975-12-10

Family

ID=23182127

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52626/73A IT996179B (it) 1972-11-13 1973-09-20 Struttura catalitica per catalizza re specialmente gli ossidi di azo to contenuti nei gas di scarico di autoveicoli

Country Status (8)

Country Link
JP (1) JPS4981291A (enExample)
BR (1) BR7308849D0 (enExample)
CA (1) CA1035546A (enExample)
DE (1) DE2355418A1 (enExample)
ES (1) ES417502A1 (enExample)
FR (1) FR2206125B1 (enExample)
GB (1) GB1393221A (enExample)
IT (1) IT996179B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4514520A (en) * 1982-11-18 1985-04-30 N.V. Bekaert S.A. Catalyst and method of its preparation
BR9000839A (pt) * 1989-02-24 1991-02-05 Meern Bv Engelhard De Processo para a preparacao de alquilamina secundaria por hidrogenacao seletiva de alquilnitrila e catalisador de niquel promovido por cobre
EP3132841A4 (en) * 2014-04-18 2017-11-22 Atsumitec Co., Ltd. Exhaust gas purification system, catalyst and exhaust gas purification method

Also Published As

Publication number Publication date
JPS4981291A (enExample) 1974-08-06
BR7308849D0 (pt) 1974-08-22
ES417502A1 (es) 1976-03-16
AU5797273A (en) 1975-01-16
FR2206125B1 (enExample) 1977-05-27
DE2355418A1 (de) 1974-06-12
FR2206125A1 (enExample) 1974-06-07
CA1035546A (en) 1978-08-01
GB1393221A (en) 1975-05-07

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