GB1410388A - Method for the production of spherical particles - Google Patents

Method for the production of spherical particles

Info

Publication number
GB1410388A
GB1410388A GB5358372A GB5358372A GB1410388A GB 1410388 A GB1410388 A GB 1410388A GB 5358372 A GB5358372 A GB 5358372A GB 5358372 A GB5358372 A GB 5358372A GB 1410388 A GB1410388 A GB 1410388A
Authority
GB
United Kingdom
Prior art keywords
particles
acid
boron
vessel
resorcinol
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
GB5358372A
Other languages
English (en)
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.)
HOBEG HOCHTEMPERATURREAKTOR BRENNELEMENT GMBHA
Hobeg Hochtemperaturreaktor Brennelement GmbH
Original Assignee
HOBEG HOCHTEMPERATURREAKTOR BRENNELEMENT GMBHA
Hobeg Hochtemperaturreaktor Brennelement 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 HOBEG HOCHTEMPERATURREAKTOR BRENNELEMENT GMBHA, Hobeg Hochtemperaturreaktor Brennelement GmbH filed Critical HOBEG HOCHTEMPERATURREAKTOR BRENNELEMENT GMBHA
Publication of GB1410388A publication Critical patent/GB1410388A/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
    • 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
    • B01J2/28—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using special binding agents
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/956—Silicon carbide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/956—Silicon carbide
    • C01B32/963—Preparation from compounds containing silicon
    • C01B32/984—Preparation from elemental silicon
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C01B32/991—Boron carbide
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Glanulating (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
GB5358372A 1971-11-18 1972-11-20 Method for the production of spherical particles Expired GB1410388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT998071A AT326784B (de) 1971-11-18 1971-11-18 Verfahren zur herstellung spharischer teilchen

Publications (1)

Publication Number Publication Date
GB1410388A true GB1410388A (en) 1975-10-15

Family

ID=3618922

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5358372A Expired GB1410388A (en) 1971-11-18 1972-11-20 Method for the production of spherical particles

Country Status (10)

Country Link
US (1) US3939233A (enExample)
JP (1) JPS5341638B2 (enExample)
AT (1) AT326784B (enExample)
BE (1) BE791573A (enExample)
CH (1) CH574757A5 (enExample)
DE (1) DE2256101C3 (enExample)
FR (1) FR2165884B1 (enExample)
GB (1) GB1410388A (enExample)
IT (1) IT970979B (enExample)
SE (1) SE379648B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438624A1 (fr) * 1978-10-11 1980-05-09 Quartz & Silice Procede de fabrication du carbure de bore
US4577282A (en) * 1982-02-22 1986-03-18 Texas Instruments Incorporated Microcomputer system for digital signal processing
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
CN102194532A (zh) * 2011-04-07 2011-09-21 清华大学 一种碳化硼与炭素复合粉体的制备方法
GB201220765D0 (en) * 2012-11-19 2013-01-02 Univ Birmingham Production of boron carbide powder
CN103360538A (zh) * 2013-07-26 2013-10-23 上海创始实业（集团）有限公司 一种用于制备球形吸水树脂的聚合装置及使用其制备球形吸水树脂的方法

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
BE694642A (enExample) * 1966-07-06 1967-07-31
US3384687A (en) * 1966-08-02 1968-05-21 Herbert P. Flack Microsphere forming process for aqueous salt soultions using dissolved ammonia in a dehydrating solvent

Also Published As

Publication number Publication date
CH574757A5 (enExample) 1976-04-30
SE379648B (enExample) 1975-10-20
ATA998071A (de) 1975-03-15
DE2256101C3 (de) 1974-07-04
AT326784B (de) 1975-12-29
FR2165884B1 (enExample) 1980-04-18
JPS4862675A (enExample) 1973-09-01
US3939233A (en) 1976-02-17
DE2256101B2 (de) 1973-11-29
BE791573A (fr) 1973-03-16
FR2165884A1 (enExample) 1973-08-10
DE2256101A1 (de) 1973-05-30
JPS5341638B2 (enExample) 1978-11-06
IT970979B (it) 1974-04-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years