IT1070310B - Catalizzatore particolarmente per il trattamento dei gas di scarico di autoveicoli..e procedimento per la sua preparazione - Google Patents

Catalizzatore particolarmente per il trattamento dei gas di scarico di autoveicoli..e procedimento per la sua preparazione

Info

Publication number
IT1070310B
IT1070310B IT69542/76A IT6954276A IT1070310B IT 1070310 B IT1070310 B IT 1070310B IT 69542/76 A IT69542/76 A IT 69542/76A IT 6954276 A IT6954276 A IT 6954276A IT 1070310 B IT1070310 B IT 1070310B
Authority
IT
Italy
Prior art keywords
procedure
preparation
treatment
exhaust gases
vehicle exhaust
Prior art date
Application number
IT69542/76A
Other languages
English (en)
Italian (it)
Original Assignee
Atomic Energy Authority Uk
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 GB43435/75A external-priority patent/GB1568861A/en
Application filed by Atomic Energy Authority Uk filed Critical Atomic Energy Authority Uk
Application granted granted Critical
Publication of IT1070310B publication Critical patent/IT1070310B/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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • 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
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/0004—Preparation of sols
    • B01J13/0047—Preparation of sols containing a metal oxide
    • 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
    • B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
    • 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
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • 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
    • B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
    • B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
    • 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
    • B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0045—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by a process involving the formation of a sol or a gel, e.g. sol-gel or precipitation processes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Manufacturing & Machinery (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Colloid Chemistry (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT69542/76A 1975-10-22 1976-10-21 Catalizzatore particolarmente per il trattamento dei gas di scarico di autoveicoli..e procedimento per la sua preparazione IT1070310B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB43435/75A GB1568861A (en) 1975-10-22 1975-10-22 Catalysts
GB4343675 1975-10-22

Publications (1)

Publication Number Publication Date
IT1070310B true IT1070310B (it) 1985-03-29

Family

ID=26265146

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69542/76A IT1070310B (it) 1975-10-22 1976-10-21 Catalizzatore particolarmente per il trattamento dei gas di scarico di autoveicoli..e procedimento per la sua preparazione

Country Status (6)

Country Link
JP (1) JPS6054100B2 (sv)
AU (1) AU507779B2 (sv)
DE (1) DE2647702C2 (sv)
FR (2) FR2357304A1 (sv)
IT (1) IT1070310B (sv)
SE (1) SE453592B (sv)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH024677B2 (sv) 1977-11-01 1990-01-30 Atomic Energy Authority Uk
FR2430924A1 (fr) * 1978-07-10 1980-02-08 Ici Ltd Conversion d'hydrocarbures
DE2830231A1 (de) * 1978-07-10 1980-01-24 Ici Ltd Verfahren zur umsetzung von kohlenwasserstoffen
US4251393A (en) * 1979-05-29 1981-02-17 Celanese Corporation Attrition resistant catalysts
DE2953836A1 (de) * 1979-09-28 1982-02-04 Proizv Ob Turbostroeniya Le Me Stator of horizontal hydroturbine
DE3200483A1 (de) * 1982-01-09 1983-07-21 Bayer Ag, 5090 Leverkusen Kieselsaeurehaltige formkoerper, verfahren zu ihrer herstellung und ihre verwendung
JPS58186126U (ja) * 1982-06-04 1983-12-10 トヨタ自動車株式会社 触媒を担持したエンジン部品
JPS627875A (ja) * 1985-02-27 1987-01-14 Nippon Shokubai Kagaku Kogyo Co Ltd 金属酸化物の皮膜を有する金属に耐火性金属酸化物をコ−テイングする方法
GB8609249D0 (en) * 1986-04-16 1986-05-21 Alcan Int Ltd Anodic oxide membrane catalyst support
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
US5565091A (en) * 1993-02-15 1996-10-15 Idemitsu Kosan Co., Ltd. Catalyst composition manufacturing method and sulfur-containing hydrocarbon hydrodesulfurization method using the same catalyst composition
WO1994017910A1 (en) * 1993-02-15 1994-08-18 Idemitsu Kosan Co., Ltd. Catalyst composition manufacturing method and sulfur-containing hydrocarbon hydrodesulfurization method using the same catalyst composition
FR2720295B1 (fr) * 1994-05-27 1996-07-12 Rhone Poulenc Chimie Composé dispersible à base d'une terre rare, suspension colloïdale obtenue à partir de ce composé, leurs procédés de préparation et utilisation à la fabrication de catalyseurs.
WO2000057993A1 (en) * 1999-03-26 2000-10-05 Cabot Corporation Fumed metal oxide comprising catalytic converter

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435379A (en) 1943-12-14 1948-02-03 Shell Dev Preparation of spheroidal catalyst
BE509387A (sv) 1951-03-01
US3189563A (en) * 1960-12-01 1965-06-15 Engelhard Ind Inc Open mesh glass fabric supported catalyst
US3714071A (en) 1970-03-18 1973-01-30 Universal Oil Prod Co Low density alumina spheres of improved strength at high temperature
US3827893A (en) * 1970-06-12 1974-08-06 Corning Glass Works Silicate bodies
US3676370A (en) * 1970-08-31 1972-07-11 Ethyl Corp Neodymium oxide-barium oxide catalyst composition
GB1490977A (en) * 1973-12-10 1977-11-09 Atomic Energy Authority Uk Catalysts
DE2329389A1 (de) * 1973-06-08 1975-01-02 Hoechst Ag Verfahren zur herstellung von 2-aehtylpyridin
FR2240049A2 (en) * 1973-08-06 1975-03-07 Louyot Comptoir Lyon Alemand Catalyst body formation from a metallic base - by coating a metal with an aluminide, alumina and catalyst
FR2253561A2 (en) * 1973-11-29 1975-07-04 Atomic Energy Authority Uk Catalyst esp. for automobile exhaust gas purificn. - dispersed on carrier using ionic bombardment process
AU500079B2 (en) * 1973-12-10 1979-05-10 Engelhard Minerals & Chemicals Corporation High temperature stable catalyst

Also Published As

Publication number Publication date
FR2357304B1 (sv) 1981-06-12
FR2357304A1 (fr) 1978-02-03
SE453592B (sv) 1988-02-15
SE8204528L (sv) 1982-07-30
FR2413122B1 (fr) 1986-04-18
AU507779B2 (en) 1980-02-28
FR2413122A1 (fr) 1979-07-27
DE2647702A1 (de) 1977-04-28
JPS6054100B2 (ja) 1985-11-28
AU1888276A (en) 1978-04-27
DE2647702C2 (de) 1987-01-29
SE8204528D0 (sv) 1982-07-30
JPS5252887A (en) 1977-04-28

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