FR2413323A1 - Procede de preparation de particules d'alumine rehydratable mises en forme - Google Patents

Procede de preparation de particules d'alumine rehydratable mises en forme

Info

Publication number
FR2413323A1
FR2413323A1 FR7739896A FR7739896A FR2413323A1 FR 2413323 A1 FR2413323 A1 FR 2413323A1 FR 7739896 A FR7739896 A FR 7739896A FR 7739896 A FR7739896 A FR 7739896A FR 2413323 A1 FR2413323 A1 FR 2413323A1
Authority
FR
France
Prior art keywords
alumina
obtd
particles
catalysts
medium
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
FR7739896A
Other languages
English (en)
Other versions
FR2413323B1 (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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Priority to FR7739896A priority Critical patent/FR2413323A1/fr
Publication of FR2413323A1 publication Critical patent/FR2413323A1/fr
Application granted granted Critical
Publication of FR2413323B1 publication Critical patent/FR2413323B1/fr
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04Alumina
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/51Spheres
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/021After-treatment of oxides or hydroxides
    • C01F7/025Granulation or agglomeration
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/30Particle morphology extending in three dimensions
    • C01P2004/32Spheres
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/10Solid density
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/14Pore volume

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE DE FABRICATION DE PARTICULES D'ALUMINE MISES EN FORME, CES PARTICULES POUVANT ETRE UTILISEES COMME CATALYSEURS ET SUPPORTS DE CATALYSEURS. ON ENVOIE UNE DISPERSION AQUEUSE D'ALUMINE DANS UN MILIEU IMMISCIBLE A L'EAU, CHAUFFE, CE QUI PROVOQUE LA MISE EN FORME ET LE DURCISSEMENT DE L'ALUMINE. CATALYSEURS ET SUPPORTS DE CATALYSEURS.
FR7739896A 1977-12-30 1977-12-30 Procede de preparation de particules d'alumine rehydratable mises en forme Granted FR2413323A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7739896A FR2413323A1 (fr) 1977-12-30 1977-12-30 Procede de preparation de particules d'alumine rehydratable mises en forme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7739896A FR2413323A1 (fr) 1977-12-30 1977-12-30 Procede de preparation de particules d'alumine rehydratable mises en forme

Publications (2)

Publication Number Publication Date
FR2413323A1 true FR2413323A1 (fr) 1979-07-27
FR2413323B1 FR2413323B1 (fr) 1983-10-14

Family

ID=9199591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7739896A Granted FR2413323A1 (fr) 1977-12-30 1977-12-30 Procede de preparation de particules d'alumine rehydratable mises en forme

Country Status (1)

Country Link
FR (1) FR2413323A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2506630A1 (fr) * 1981-06-02 1982-12-03 Mitsubishi Chem Ind Catalyseur d'hydrogenation pour la desulfuration et l'elimination de metaux lourds
EP0327721A2 (fr) * 1988-02-09 1989-08-16 Degussa Aktiengesellschaft Pièces pressées à base d'oxyde d'aluminium pyrogéné, procédé pour leur préparation et leur utilisation
WO1992019535A1 (fr) * 1991-05-06 1992-11-12 Alcan International Limited Procede de production d'agglomerats a partir de poussieres resultant du traitement thermique de materiaux contenant de l'alumine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1231293A (fr) * 1958-06-30 1960-09-28 American Cyanamid Co Procédé pour la préparation de nouveaux esters phosphorothioïques par réaction entre un sel phosphorothioate de dialkyle et une chlorométhylpyridazinone, et produits obtenus par ce procédé
FR1231993A (fr) * 1958-08-13 1960-10-04 Basf Ag Procédé pour la production de globules renfermant de l'alumine
US3856708A (en) * 1972-04-10 1974-12-24 Reynolds Metals Co Alumina catalyst support
FR2299911A1 (fr) * 1975-02-04 1976-09-03 Kali Chemie Ag Procede de fabrication de particules spheriques contenant de l'alumine et produits obtenus
FR2351171A2 (fr) * 1976-05-11 1977-12-09 Combacal Clement Procede et dispositif pour le traitement thermique de la vendange
FR2351071A1 (fr) * 1976-05-10 1977-12-09 American Cyanamid Co Aides d'extrusion pour l'alumine rehydratable

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1231293A (fr) * 1958-06-30 1960-09-28 American Cyanamid Co Procédé pour la préparation de nouveaux esters phosphorothioïques par réaction entre un sel phosphorothioate de dialkyle et une chlorométhylpyridazinone, et produits obtenus par ce procédé
FR1231993A (fr) * 1958-08-13 1960-10-04 Basf Ag Procédé pour la production de globules renfermant de l'alumine
US3856708A (en) * 1972-04-10 1974-12-24 Reynolds Metals Co Alumina catalyst support
FR2299911A1 (fr) * 1975-02-04 1976-09-03 Kali Chemie Ag Procede de fabrication de particules spheriques contenant de l'alumine et produits obtenus
FR2351071A1 (fr) * 1976-05-10 1977-12-09 American Cyanamid Co Aides d'extrusion pour l'alumine rehydratable
FR2351171A2 (fr) * 1976-05-11 1977-12-09 Combacal Clement Procede et dispositif pour le traitement thermique de la vendange

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2506630A1 (fr) * 1981-06-02 1982-12-03 Mitsubishi Chem Ind Catalyseur d'hydrogenation pour la desulfuration et l'elimination de metaux lourds
EP0327721A2 (fr) * 1988-02-09 1989-08-16 Degussa Aktiengesellschaft Pièces pressées à base d'oxyde d'aluminium pyrogéné, procédé pour leur préparation et leur utilisation
EP0327721A3 (en) * 1988-02-09 1989-10-18 Degussa Aktiengesellschaft Die-formed articles based on parogenic aluminium oxide, process for their production and their use
WO1992019535A1 (fr) * 1991-05-06 1992-11-12 Alcan International Limited Procede de production d'agglomerats a partir de poussieres resultant du traitement thermique de materiaux contenant de l'alumine

Also Published As

Publication number Publication date
FR2413323B1 (fr) 1983-10-14

Similar Documents

Publication Publication Date Title
DE69707281D1 (de) Katalysatorträger
ES2110945T3 (es) Granos abrasivos hechos de ceramica, metodo de impregnacion para su preparacion y productos hechos con los mismos.
CS295586A2 (en) Method of gas circulation in regeneration zone with movable bed
EP0189127A3 (en) Method for rapidly binding cement in plates and profiles comprising fibres and bound by cement
MXPA02012674A (es) Catalizador de tamiz molecular de poro pequeno, conteniendo metal, para conversion de oxigenados.
SE8304074D0 (sv) Metod att paskynda herdningen av betong
SE8002881L (sv) Forfarande for framstellning av hog-aktiva kolhaltiga produkter
FR2413323A1 (fr) Procede de preparation de particules d'alumine rehydratable mises en forme
NL7714522A (en) Shaped alumina particles for catalysts - obtd. by passing an aq. rehydratable alumina slurry through a heated shaping medium
US4065407A (en) Process for preparing shaped particles from rehydratable alumina
JPS53130291A (en) Method and apparatus for producing hydrogen using hydrogen sulfide as raw material
JPS6452687A (en) Impregnation of ceramic form
JPS57201531A (en) Production of aluminous carrier
FR2278647A1 (fr) Beton a haute resistance et son procede de fabrication
GB1463840A (en) Process for hardening and densifying ceramic oxide bodies
FR2130082A1 (en) Catalysts - made from recovered catalyst fines
JPS542992A (en) Catalyst regenerating method by heating
GB994022A (en) Improvements in or relating to the production of catalytic materials
SU1436635A1 (ru) СПОСОБ ОПРЕДЕЛЕНИЯ КАТАЛИТИЧЕСКОЙ АКТИВНОСТИ γ-ОКИСИ АЛЮМИНИЯ, МОДИФИЦИРОВАННОЙ ИОНАМИ КАЛИЯ
KR940013773A (ko) 전자파에 의한 타이어 가류방법 및 장치
Morozov Stress analysis of pressure vessels in the presence of cracks(Pressure vessels with cracks, formulating stress analysis for safety factors)
JPS5650116A (en) Manufacture of calcined gypsum
KR960021283A (ko) 금속복합재료 제조시 사용되는 예비성형체 제조방법
JPS5268066A (en) Method and apparatus for heating pulverulent and granular body
FR2401886A2 (fr) Four a longueur variable pour la cuisson en monocouche de produits ceramiques