GB1119589A - Improvements in or relating to aluminum oxide gels - Google Patents

Improvements in or relating to aluminum oxide gels

Info

Publication number
GB1119589A
GB1119589A GB55638/66A GB5563866A GB1119589A GB 1119589 A GB1119589 A GB 1119589A GB 55638/66 A GB55638/66 A GB 55638/66A GB 5563866 A GB5563866 A GB 5563866A GB 1119589 A GB1119589 A GB 1119589A
Authority
GB
United Kingdom
Prior art keywords
slurry
alumina
column
aluminium
water
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.)
Expired
Application number
GB55638/66A
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.)
Engelhard Minerals and Chemicals Corp
Original Assignee
Engelhard Minerals and Chemicals Corp
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 Engelhard Minerals and Chemicals Corp filed Critical Engelhard Minerals and Chemicals Corp
Publication of GB1119589A publication Critical patent/GB1119589A/en
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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
    • B01J2/08—Gelation of a colloidal solution
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/42—Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation
    • C01F7/428—Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation by oxidation in an aqueous solution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/02—Amorphous compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/60—Compounds characterised by their crystallite size
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/10—Solid density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/21—Attrition-index or crushing strength of granulates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

Spheroidal aluminium oxide gels are prepared by feeding drops of a coagulable aqueous slurry of hydrous alumina through a column of water-immiscible liquid coagulation medium, the hydrous alumina having an alumina monohydrate to amorphous hydrous alumina ratio of at least 0.5/1 and the monohydrate having a crystallite size of less than 65<\>rA. The aqueous slurry may be prepared by reacting finely divided aluminium of surface area of 7,5000 to 1,000,000 sq. mm./g. with water and a water soluble lower fatty acid (of 1 or 2 carbon atoms per molecules) such as formic acid in the ratio of 1 mole of acid/2-30 gram atoms of aluminium/at least 18 moles of water at 60-250 DEG C. and at a pressure that will maintain the liquid phase, thus forming by acid hydrolysis the aqueous slurry of hydrous alumina. The liquid coagulation medium may be a mineral oil of sufficient viscosity to produce spheroidal particles and as an aid to coagulation, ammonia is passed up the column containing this medium. From 1 to 65% based on the total solids in the slurry, of a solid filler e.g. alumina containing materials, silica containing materials and/or starch may be added to the slurry. 1 to 5% of carbon and/or 1 to 20% (as alumina based on the alumina in the slurry) of aluminium oxychloride may be added, and in the case of the latter addition, the pH of the slurry will bein the range 3.3-5.5. The particles formed by the above process, are drained, dried and calcined to form porous adsorption catalytically-active aluminium oxide gel. In Fig. 2 (not shown) the slurry is passed down a column 108 of mineral oil saturated with gaseous ammonia. The gel so formed leaves the bottom of the column and is transported by a liquid flow through a serpentine arrangement of piping 107. The transporting liquid, 6% aqueous ammonia, serves as an aging medium. After aging, the spheres are drained, washed, dried and calcined.
GB55638/66A 1965-12-13 1966-12-12 Improvements in or relating to aluminum oxide gels Expired GB1119589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51339365A 1965-12-13 1965-12-13

Publications (1)

Publication Number Publication Date
GB1119589A true GB1119589A (en) 1968-07-10

Family

ID=24043079

Family Applications (1)

Application Number Title Priority Date Filing Date
GB55638/66A Expired GB1119589A (en) 1965-12-13 1966-12-12 Improvements in or relating to aluminum oxide gels

Country Status (3)

Country Link
FR (1) FR1503495A (en)
GB (1) GB1119589A (en)
NL (1) NL155196B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9669387B2 (en) 2011-12-20 2017-06-06 IFP Energies Nouvelles Method for manufacturing of spheroidal alumina particles
CN114505011A (en) * 2020-10-28 2022-05-17 中国石油化工股份有限公司 Catalyst forming device and application thereof

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2299911A1 (en) * 1975-02-04 1976-09-03 Kali Chemie Ag PROCESS FOR THE MANUFACTURING OF SPHERICAL PARTICLES CONTAINING ALUMINA AND PRODUCTS OBTAINED
JPS5814365B2 (en) * 1978-11-06 1983-03-18 日揮ユニバ−サル株式会社 Manufacturing method of spherical alumina
US4411771A (en) * 1980-12-24 1983-10-25 American Cyanamid Company Process for hydrotreating heavy hydrocarbons and catalyst used in said process
EP0145341A3 (en) * 1983-11-18 1987-08-26 Aluminum Company Of America Method for making alumina objects
FR3035798B1 (en) 2015-05-07 2017-04-28 Ifp Energies Now SPHEROIDAL ALUMINA PARTICLES OF IMPROVED MECHANICAL STRENGTH HAVING MEDIAN MACROPOROUS DIAMETER BETWEEN 0.05 AND 30 ΜM.
CN114634370B (en) * 2020-12-16 2023-09-01 中国石油化工股份有限公司 High-strength capsule hole alumina material and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9669387B2 (en) 2011-12-20 2017-06-06 IFP Energies Nouvelles Method for manufacturing of spheroidal alumina particles
EP2794487B1 (en) 2011-12-20 2021-03-17 IFP Energies nouvelles Method for manufacturing spheroidal alumina particles
CN114505011A (en) * 2020-10-28 2022-05-17 中国石油化工股份有限公司 Catalyst forming device and application thereof
CN114505011B (en) * 2020-10-28 2023-08-08 中国石油化工股份有限公司 Catalyst forming device and application thereof

Also Published As

Publication number Publication date
FR1503495A (en) 1967-11-24
NL155196B (en) 1977-12-15
NL6617511A (en) 1967-06-14

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