FR2413122A1 - Dispersion colloidale d'une substance minerale, son procede de preparation et application a la production d'un gel mixte et d'une matiere ceramique poreuse - Google Patents

Dispersion colloidale d'une substance minerale, son procede de preparation et application a la production d'un gel mixte et d'une matiere ceramique poreuse

Info

Publication number
FR2413122A1
FR2413122A1 FR7909618A FR7909618A FR2413122A1 FR 2413122 A1 FR2413122 A1 FR 2413122A1 FR 7909618 A FR7909618 A FR 7909618A FR 7909618 A FR7909618 A FR 7909618A FR 2413122 A1 FR2413122 A1 FR 2413122A1
Authority
FR
France
Prior art keywords
ceramic material
porous ceramic
mixed gel
production
application
Prior art date
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.)
Granted
Application number
FR7909618A
Other languages
English (en)
Other versions
FR2413122B1 (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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of FR2413122A1 publication Critical patent/FR2413122A1/fr
Application granted granted Critical
Publication of FR2413122B1 publication Critical patent/FR2413122B1/fr
Expired legal-status Critical Current

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
    • 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)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (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)

Abstract

L'INVENTION DECRIT LA PRODUCTION DE DISPERSIONS COLLOIDALES ET LEUR TRANSFORMATION EN UN GEL MIXTE OU EN UNE MATIERE CERAMIQUE POREUSE. ON DISPERSE DANS UN MILIEU LIQUIDE DES PARTICULES COLLOIDALES D'UNE SUBSTANCE MINERALE POUR CONSTITUER UN SOL ET L'ON Y DISSOUT UN COMPOSE D'UN ELEMENT DU GROUPE IIA OU DU GROUPE IIIA OU D'UN LANTHANIDE (TERRE RARE). LE SECHAGE D'UNE TELLE DISPERSION D'UN OXYDE REFRACTAIRE DONNE UN GEL MIXTE QU'UN CHAUFFAGE TRANSFORME EN MATIERE CERAMIQUE POREUSE. APPLICATION: PREPARATION D'UN CATALYSEUR OU D'UN SUPPORT DE CATALYSEUR.
FR7909618A 1975-10-22 1979-04-17 Dispersion colloidale d'une substance minerale, son procede de preparation et application a la production d'un gel mixte et d'une matiere ceramique poreuse Expired FR2413122B1 (fr)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FR2413122A1 true FR2413122A1 (fr) 1979-07-27
FR2413122B1 FR2413122B1 (fr) 1986-04-18

Family

ID=26265146

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7631787A Granted FR2357304A1 (fr) 1975-10-22 1976-10-21 Procede de production de dispersions colloidales et de catalyseurs perfectionnes
FR7909618A Expired FR2413122B1 (fr) 1975-10-22 1979-04-17 Dispersion colloidale d'une substance minerale, son procede de preparation et application a la production d'un gel mixte et d'une matiere ceramique poreuse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR7631787A Granted FR2357304A1 (fr) 1975-10-22 1976-10-21 Procede de production de dispersions colloidales et de catalyseurs perfectionnes

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2720295A1 (fr) * 1994-05-27 1995-12-01 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.

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2023453B (en) 1977-11-01 1982-11-17 Atomic Energy Authority Uk Coating of substrates
DE2830231A1 (de) * 1978-07-10 1980-01-24 Ici Ltd Verfahren zur umsetzung von kohlenwasserstoffen
FR2430924A1 (fr) * 1978-07-10 1980-02-08 Ici Ltd Conversion d'hydrocarbures
US4251393A (en) * 1979-05-29 1981-02-17 Celanese Corporation Attrition resistant catalysts
ATA908379A (de) * 1979-09-28 1982-10-15 Proizv Ob Turbostroenia Stator einer horizontalen wasser-rohrturbine
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
JP3382619B2 (ja) * 1993-02-15 2003-03-04 出光興産株式会社 触媒組成物の製造方法及び該触媒組成物を用いる含硫炭化水素の水素化脱硫方法
WO2000057993A1 (fr) * 1999-03-26 2000-10-05 Cabot Corporation Oxyde metallique sublime comprenant un convertisseur catalytique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676370A (en) * 1970-08-31 1972-07-11 Ethyl Corp Neodymium oxide-barium oxide catalyst composition
US3827893A (en) * 1970-06-12 1974-08-06 Corning Glass Works Silicate bodies
FR2232545A1 (fr) * 1973-06-08 1975-01-03 Hoechst Ag
FR2253560A1 (fr) * 1973-12-10 1975-07-04 Engelhard Min & Chem
DE2500548A1 (de) * 1974-01-10 1975-07-17 Rhone Poulenc Ind Verfahren zur herstellung hochtemperaturfester tonerde-agglomerate

Family Cites Families (7)

* 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 (fr) 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
GB1490977A (en) * 1973-12-10 1977-11-09 Atomic Energy Authority Uk Catalysts
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2232545A1 (fr) * 1973-06-08 1975-01-03 Hoechst Ag
FR2253560A1 (fr) * 1973-12-10 1975-07-04 Engelhard Min & Chem
DE2500548A1 (de) * 1974-01-10 1975-07-17 Rhone Poulenc Ind Verfahren zur herstellung hochtemperaturfester tonerde-agglomerate

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/68 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2720295A1 (fr) * 1994-05-27 1995-12-01 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.
EP0684072A3 (fr) * 1994-05-27 1996-02-28 Rhone Poulenc Chimie Composé dispersible à base d'une terre rare, suspension colloidale obtenue à partir de ce composé, leurs procédés de préparation et utilisation à la fabrication de catalyseurs.
US6090743A (en) * 1994-05-27 2000-07-18 Rhone-Poulenc Chimie Dispersible rare earth compositions and colloidal suspensions/catalysts comprised thereof

Also Published As

Publication number Publication date
FR2413122B1 (fr) 1986-04-18
FR2357304B1 (fr) 1981-06-12
JPS6054100B2 (ja) 1985-11-28
IT1070310B (it) 1985-03-29
DE2647702C2 (de) 1987-01-29
SE8204528D0 (sv) 1982-07-30
AU1888276A (en) 1978-04-27
AU507779B2 (en) 1980-02-28
JPS5252887A (en) 1977-04-28
SE453592B (sv) 1988-02-15
SE8204528L (sv) 1982-07-30
FR2357304A1 (fr) 1978-02-03
DE2647702A1 (de) 1977-04-28

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