DE1542179B1 - Verfahren zur Herstellung von kompakten Metalloxyd- oder Metallcarbid-Mikrokugeln - Google Patents

Verfahren zur Herstellung von kompakten Metalloxyd- oder Metallcarbid-Mikrokugeln

Info

Publication number
DE1542179B1
DE1542179B1 DE19661542179D DE1542179DA DE1542179B1 DE 1542179 B1 DE1542179 B1 DE 1542179B1 DE 19661542179 D DE19661542179 D DE 19661542179D DE 1542179D A DE1542179D A DE 1542179DA DE 1542179 B1 DE1542179 B1 DE 1542179B1
Authority
DE
Germany
Prior art keywords
metal
microspheres
sol
aquasol
ammonia
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.)
Pending
Application number
DE19661542179D
Other languages
German (de)
English (en)
Inventor
Jean Gillen Baltimore Smith, Md. (V.St.A.)
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.)
WR Grace and Co
Original Assignee
WR Grace and 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
Priority claimed from US449867A external-priority patent/US3312632A/en
Priority claimed from US506231A external-priority patent/US3345437A/en
Application filed by WR Grace and Co filed Critical WR Grace and Co
Publication of DE1542179B1 publication Critical patent/DE1542179B1/de
Pending 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
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02Processes 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
    • B01J2/06Processes 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
    • B01J2/08Gelation of a colloidal solution
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02Processes 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
    • B01J2/06Processes 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
DE19661542179D 1965-04-21 1966-04-19 Verfahren zur Herstellung von kompakten Metalloxyd- oder Metallcarbid-Mikrokugeln Pending DE1542179B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US449867A US3312632A (en) 1965-04-21 1965-04-21 Method for making metal oxide microspheres
US506231A US3345437A (en) 1965-11-03 1965-11-03 Sol-gel microsphere forming process using dissolved ammonia in the dehydrating solvent

Publications (1)

Publication Number Publication Date
DE1542179B1 true DE1542179B1 (de) 1970-11-12

Family

ID=27035846

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19661542179D Pending DE1542179B1 (de) 1965-04-21 1966-04-19 Verfahren zur Herstellung von kompakten Metalloxyd- oder Metallcarbid-Mikrokugeln
DE19661542191 Pending DE1542191A1 (de) 1965-04-21 1966-10-29 Verfahren zur Herstellung von Mikrokugeln aus Metalloxydaquasolen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19661542191 Pending DE1542191A1 (de) 1965-04-21 1966-10-29 Verfahren zur Herstellung von Mikrokugeln aus Metalloxydaquasolen

Country Status (3)

Country Link
DE (2) DE1542179B1 (lt)
GB (2) GB1125915A (lt)
NL (2) NL6605275A (lt)

Also Published As

Publication number Publication date
GB1158742A (en) 1969-07-16
NL6615444A (lt) 1967-05-05
DE1542191A1 (de) 1971-02-25
NL6605275A (lt) 1966-10-24
GB1125915A (en) 1968-09-05

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