CH536134A - Fire resistant spherical particles prepn - by dropping a soln of a metal salt, an alcohol and a cellulose derivative into an - Google Patents

Fire resistant spherical particles prepn - by dropping a soln of a metal salt, an alcohol and a cellulose derivative into an

Info

Publication number
CH536134A
CH536134A CH1867466A CH1867466A CH536134A CH 536134 A CH536134 A CH 536134A CH 1867466 A CH1867466 A CH 1867466A CH 1867466 A CH1867466 A CH 1867466A CH 536134 A CH536134 A CH 536134A
Authority
CH
Switzerland
Prior art keywords
soln
alcohol
spherical particles
prepn
dropping
Prior art date
Application number
CH1867466A
Other languages
Italian (it)
Inventor
Dino Dr Neri
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of CH536134A publication Critical patent/CH536134A/en

Links

Classifications

    • 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
    • C01F15/00—Compounds of thorium
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Hard Magnetic Materials (AREA)
  • Glanulating (AREA)

Abstract

Spherical particles of a fire-resistant material are made from an aq. starting soln. contg. (a) a water soluble metal cpd., (b) a water soluble, monohydric, polyhydric or ether group contg. alcohol in an amt. of >=5 vol. % and (c) a water-soluble, alkali-gellable cellulose deriv., adding the soln. dropwise to an aq. alkaline soln. and drying and heating the resulting particles.
CH1867466A 1966-01-18 1966-12-28 Fire resistant spherical particles prepn - by dropping a soln of a metal salt, an alcohol and a cellulose derivative into an CH536134A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT109966 1966-01-18

Publications (1)

Publication Number Publication Date
CH536134A true CH536134A (en) 1973-04-30

Family

ID=11100346

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1867466A CH536134A (en) 1966-01-18 1966-12-28 Fire resistant spherical particles prepn - by dropping a soln of a metal salt, an alcohol and a cellulose derivative into an

Country Status (14)

Country Link
JP (1) JPS5113750B1 (en)
BE (1) BE692750A (en)
BG (1) BG15735A3 (en)
CH (1) CH536134A (en)
DE (1) DE1671051B1 (en)
DK (1) DK130438B (en)
ES (1) ES335028A1 (en)
FR (1) FR1507984A (en)
GB (1) GB1178680A (en)
LU (1) LU52813A1 (en)
NL (1) NL6700291A (en)
NO (1) NO119576B (en)
PL (1) PL72552B1 (en)
SE (1) SE315839B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922686C2 (en) * 1979-06-02 1983-04-21 Kernforschungsanlage Jülich GmbH, 5170 Jülich Casting solution containing uranyl nitrate for the production of spherical nuclear fuel particles and process for their production

Also Published As

Publication number Publication date
ES335028A1 (en) 1967-11-16
BE692750A (en) 1967-07-17
NO119576B (en) 1970-06-01
DK130438C (en) 1975-07-21
FR1507984A (en) 1967-12-29
JPS5113750B1 (en) 1976-05-01
LU52813A1 (en) 1968-08-28
BG15735A3 (en) 1976-04-29
DK130438B (en) 1975-02-17
NL6700291A (en) 1967-07-19
PL72552B1 (en) 1974-08-30
SE315839B (en) 1969-10-06
DE1671051B1 (en) 1972-10-26
GB1178680A (en) 1970-01-21

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Legal Events

Date Code Title Description
PL Patent ceased