IT978981B - Metodo di preparazione di un cata lizzatore per la conversione dei gas di scarico di autoveicoli com prendente l applicazione di un rivestimento di allumina stabiliz zata - Google Patents

Metodo di preparazione di un cata lizzatore per la conversione dei gas di scarico di autoveicoli com prendente l applicazione di un rivestimento di allumina stabiliz zata

Info

Publication number
IT978981B
IT978981B IT20240/73A IT2024073A IT978981B IT 978981 B IT978981 B IT 978981B IT 20240/73 A IT20240/73 A IT 20240/73A IT 2024073 A IT2024073 A IT 2024073A IT 978981 B IT978981 B IT 978981B
Authority
IT
Italy
Prior art keywords
lizer
cata
conversion
preparation
application
Prior art date
Application number
IT20240/73A
Other languages
English (en)
Inventor
E Simpson
Original Assignee
Grace W R & 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 Grace W R & Co filed Critical Grace W R & Co
Application granted granted Critical
Publication of IT978981B publication Critical patent/IT978981B/it

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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • 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
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/024—Multiple impregnation or coating
    • B01J37/0242—Coating followed by impregnation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
IT20240/73A 1972-02-28 1973-02-09 Metodo di preparazione di un cata lizzatore per la conversione dei gas di scarico di autoveicoli com prendente l applicazione di un rivestimento di allumina stabiliz zata IT978981B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23007272A 1972-02-28 1972-02-28

Publications (1)

Publication Number Publication Date
IT978981B true IT978981B (it) 1974-09-20

Family

ID=22863845

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20240/73A IT978981B (it) 1972-02-28 1973-02-09 Metodo di preparazione di un cata lizzatore per la conversione dei gas di scarico di autoveicoli com prendente l applicazione di un rivestimento di allumina stabiliz zata

Country Status (5)

Country Link
US (1) US3776859A (it)
JP (1) JPS4899090A (it)
DE (1) DE2306114C2 (it)
GB (1) GB1418927A (it)
IT (1) IT978981B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025606A (en) * 1971-06-25 1977-05-24 Johnson Matthey & Co., Limited Catalysis
JPS5146076B2 (it) * 1972-02-08 1976-12-07
US3993572A (en) * 1972-08-04 1976-11-23 Engelhard Minerals & Chemicals Corporation Rare earth containing catalyst composition
JPS521396B2 (it) * 1972-08-25 1977-01-13
US3925253A (en) * 1973-03-19 1975-12-09 Ethyl Corp Catalysts
US3983072A (en) * 1973-04-16 1976-09-28 Ethyl Corporation Exhaust catalyst
US3907710A (en) * 1973-04-18 1975-09-23 Grace W R & Co Hollow ceramic pellets for catalyst support
US3929965A (en) * 1974-05-16 1975-12-30 Grace W R & Co Dual purpose auto exhaust catalysts
JPS5731939B2 (it) * 1974-12-05 1982-07-07
JPS5210886A (en) * 1975-07-15 1977-01-27 Matsushita Electric Ind Co Ltd Production process of catalyst
US4233187A (en) * 1979-03-26 1980-11-11 United Catalysts Inc. Catalyst and process for steam-reforming of hydrocarbons
JPS5756041A (en) * 1980-09-19 1982-04-03 Mitsui Mining & Smelting Co Ltd Palladium catalyst
JPS5787839A (en) * 1980-11-20 1982-06-01 Toyota Motor Corp Catalyst of monolithic construction type for purification of waste gas
US4414140A (en) * 1981-12-23 1983-11-08 United Technologies Corporation Catalyst for steam reforming
US4591580A (en) * 1983-01-26 1986-05-27 W. R. Grace & Co. Stabilized and doubly promoted platinum group metal catalysts for emission control and method of making same
USRE32044E (en) * 1984-06-27 1985-12-03 United Catalysts, Inc. Catalyst for steam reforming of hydrocarbons
FR2605531B1 (fr) * 1986-10-27 1990-11-23 Rhone Poulenc Chimie Procede de preparation d'un support de catalyseur mettant en oeuvre de la gomme xanthane et support obtenu

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965583A (en) * 1957-10-14 1960-12-20 Oxy Catalyst Inc Catalytic structure
US3489809A (en) * 1968-04-17 1970-01-13 Engelhard Min & Chem Selective hydrogenation with a catalyst on a honeycomb support
US3899444A (en) * 1972-02-07 1975-08-12 Ethyl Corp Exhaust gas catalyst support

Also Published As

Publication number Publication date
US3776859A (en) 1973-12-04
GB1418927A (en) 1975-12-24
DE2306114A1 (de) 1973-09-06
DE2306114C2 (de) 1984-12-20
JPS4899090A (it) 1973-12-15

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