FR2324356A2 - Procede pour la preparation de particules spheriques d'oxydes ou de carbures metalliques - Google Patents

Procede pour la preparation de particules spheriques d'oxydes ou de carbures metalliques

Info

Publication number
FR2324356A2
FR2324356A2 FR7414271A FR7414271A FR2324356A2 FR 2324356 A2 FR2324356 A2 FR 2324356A2 FR 7414271 A FR7414271 A FR 7414271A FR 7414271 A FR7414271 A FR 7414271A FR 2324356 A2 FR2324356 A2 FR 2324356A2
Authority
FR
France
Prior art keywords
oxides
preparation
spherical particles
metal carbides
carbides
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
FR7414271A
Other languages
English (en)
Other versions
FR2324356B2 (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.)
Forschungszentrum Juelich GmbH
Original Assignee
Kernforschungsanlage Juelich GmbH
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 Kernforschungsanlage Juelich GmbH filed Critical Kernforschungsanlage Juelich GmbH
Publication of FR2324356A2 publication Critical patent/FR2324356A2/fr
Application granted granted Critical
Publication of FR2324356B2 publication Critical patent/FR2324356B2/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/42—Selection of substances for use as reactor fuel
    • G21C3/58—Solid reactor fuel Pellets made of fissile material
    • G21C3/62—Ceramic fuel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Carbon And Carbon Compounds (AREA)
FR7414271A 1973-05-08 1974-04-24 Procede pour la preparation de particules spheriques d'oxydes ou de carbures metalliques Granted FR2324356A2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2323010A DE2323010C3 (de) 1973-05-08 1973-05-08 Verfahren zur Herstellung von kugelförmigen Metalloxid- oder Metallcarbid-Teilchen

Publications (2)

Publication Number Publication Date
FR2324356A2 true FR2324356A2 (fr) 1977-04-15
FR2324356B2 FR2324356B2 (fr) 1979-03-16

Family

ID=5880225

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7414271A Granted FR2324356A2 (fr) 1973-05-08 1974-04-24 Procede pour la preparation de particules spheriques d'oxydes ou de carbures metalliques

Country Status (5)

Country Link
US (1) US3970580A (fr)
DE (1) DE2323010C3 (fr)
FR (1) FR2324356A2 (fr)
GB (1) GB1468409A (fr)
IT (1) IT1046118B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1594588A (en) * 1976-10-26 1981-07-30 Atomic Energy Authority Uk Drying of gel materials
GB2151598B (en) * 1983-12-19 1987-05-20 Atomic Energy Authority Uk Mixed carbon-silicon carbide spheroids
JPS61263628A (ja) * 1985-05-17 1986-11-21 Mitsubishi Mining & Cement Co Ltd セラミツクスマイクロ球の製造方法
CA1273647A (fr) * 1987-08-19 1990-09-04 Jean V. Sang Production de poudres cerames par precipitation de l'emulsion, et poudres ainsi obtenues
LU87434A1 (fr) * 1989-01-18 1990-07-24 Euratom Procede de formation de particules granulees a partir d'une poudre

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3290122A (en) * 1964-07-28 1966-12-06 Sam D Clinton Process for preparing oxide gel microspheres from sols
US3463842A (en) * 1967-06-13 1969-08-26 Grace W R & Co Microsphere process
NL167862C (nl) * 1970-04-29 1982-02-16 Kema Nv Werkwijze ter bereiding van korrels en aldus bereide korrels bevattende splijtstofelementen.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2324356B2 (fr) 1979-03-16
US3970580A (en) 1976-07-20
DE2323010A1 (de) 1975-04-30
DE2323010C3 (de) 1978-03-30
DE2323010B2 (de) 1977-07-28
GB1468409A (en) 1977-03-23
IT1046118B (it) 1980-06-30

Similar Documents

Publication Publication Date Title
RO68040A (fr) Procede pour la reduction d'oxydes de fer au fer metalique
BE790704A (fr) Procede pour la fabrication d'oxydes finement
BE792326A (fr) Procede pour la preparation d'halogenohydrines
FR2324427A1 (fr) Procede d'agglomeration de substances minerales comprimables sous forme de poudre, particules ou fibres
BE821983A (fr) Procede pour la preparation d'hydroxycholesterines
BE776365A (fr) Procede pour l'epuration de liquides aqueux
BE834651A (fr) Procede pour la preparation d'oxydes finement divises de metaux et/ou de silicium et produits obtenus
BE822990A (fr) Procede pour la preparation d'hexamethyltetraline
RO66825A (fr) Procede pour la preparation de l'acetate de trans-7-cis-9-dodecadien-1-yl
BE812104A (fr) Procede pour la preparation d'aldehydes
FR2324356A2 (fr) Procede pour la preparation de particules spheriques d'oxydes ou de carbures metalliques
FR2290395A1 (fr) Procede pour la preparation de particules globulaires de silice
BE816427A (fr) Procede de preparation d'homopolymeres ou copolymeres de l'ethylene a petites particules
BE777265A (fr) Procede de preparation de 1,5-dimethyl-naphtalene et/ou de 1-6-dimethyl-naphtalene et composition catalytique utilisee pour ledit procede
FR2282293A1 (fr) Procede de preparation d'un catalyseur de raffinage sous forme de particules spheriques
FR2309473A1 (fr) Procede pour la preparation de particules d'oxydes ou de carbures metalliques
RO63035A (fr) Procede pour la preparation des 2-phenylaminoimidazolines-(2)-substitues
BE790693A (fr) Procede pour la purification de l'isoprene
FR2285939A1 (fr) Procede pour le laminage d'ebauches de metal
FR2324357A1 (fr) Procede de preparation de particules d'oxydes ou de carbures metalliques
BE787753A (fr) Procede pour la preparation d'esters de
BE823549A (fr) Procede de passivation continue de particules d'eponges de fer.
PT65711B (fr) Procede pour la preparation des particules de trichloruresifique de alfa-olephynes de titanium utilisables pour la polymerisation stereo-spec
BE825132A (fr) Procede pour la preparation de petites particules de polypropylene
BE776110A (fr) Procede pour l'affinage de particules photoconductrices (