BE771016A - Production de microspheres de silice - Google Patents

Production de microspheres de silice

Info

Publication number
BE771016A
BE771016A BE771016A BE771016A BE771016A BE 771016 A BE771016 A BE 771016A BE 771016 A BE771016 A BE 771016A BE 771016 A BE771016 A BE 771016A BE 771016 A BE771016 A BE 771016A
Authority
BE
Belgium
Prior art keywords
production
silica microspheres
microspheres
silica
Prior art date
Application number
BE771016A
Other languages
English (en)
Original Assignee
Ici Ltd
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 GB3862970A external-priority patent/GB1304105A/en
Application filed by Ici Ltd filed Critical Ici Ltd
Publication of BE771016A publication Critical patent/BE771016A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/152—Preparation of hydrogels
    • C01B33/154—Preparation of hydrogels by acidic treatment of aqueous silicate solutions
    • C01B33/1546—Preparation of hydrogels by acidic treatment of aqueous silicate solutions the first formed hydrosol being converted to a hydrogel by introduction into an organic medium immiscible or only partly miscible with water
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • 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
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/08—Silica

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
BE771016A 1970-08-11 1971-08-05 Production de microspheres de silice BE771016A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3862970A GB1304105A (fr) 1969-05-02 1970-08-11

Publications (1)

Publication Number Publication Date
BE771016A true BE771016A (fr) 1972-02-07

Family

ID=10404704

Family Applications (1)

Application Number Title Priority Date Filing Date
BE771016A BE771016A (fr) 1970-08-11 1971-08-05 Production de microspheres de silice

Country Status (5)

Country Link
BE (1) BE771016A (fr)
DE (1) DE2140344A1 (fr)
FR (1) FR2104191A5 (fr)
GB (1) GB1352830A (fr)
NL (1) NL7110985A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2520220A1 (de) * 1975-05-07 1976-11-25 Basf Ag Verfahren zur herstellung von silikatischen schaumstoffpartikeln
IT1136857B (it) * 1981-03-06 1986-09-03 Agip Nucleare Spa Procedimento per la produzione di particelle di gel mediante atomizzazione e gelificazione ed apparecchiatura per l'attuazione di detto procedimento

Also Published As

Publication number Publication date
GB1352830A (en) 1974-05-15
FR2104191A5 (fr) 1972-04-14
DE2140344A1 (de) 1972-02-17
NL7110985A (fr) 1972-02-15

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