IT970979B - Procedimento per la fabbricazione di particelle sferiche - Google Patents
Procedimento per la fabbricazione di particelle sfericheInfo
- Publication number
- IT970979B IT970979B IT31792/72A IT3179272A IT970979B IT 970979 B IT970979 B IT 970979B IT 31792/72 A IT31792/72 A IT 31792/72A IT 3179272 A IT3179272 A IT 3179272A IT 970979 B IT970979 B IT 970979B
- Authority
- IT
- Italy
- Prior art keywords
- manufacture
- spherical particles
- spherical
- particles
- Prior art date
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)
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 |
|---|---|
| IT970979B true IT970979B (it) | 1974-04-20 |
Family
ID=3618922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT31792/72A IT970979B (it) | 1971-11-18 | 1972-11-17 | Procedimento per la fabbricazione di particelle sferiche |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3939233A (it) |
| JP (1) | JPS5341638B2 (it) |
| AT (1) | AT326784B (it) |
| BE (1) | BE791573A (it) |
| CH (1) | CH574757A5 (it) |
| DE (1) | DE2256101C3 (it) |
| FR (1) | FR2165884B1 (it) |
| GB (1) | GB1410388A (it) |
| IT (1) | IT970979B (it) |
| SE (1) | SE379648B (it) |
Families Citing this family (6)
| 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)
| 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 (it) * | 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 |
-
0
- BE BE791573D patent/BE791573A/xx unknown
-
1971
- 1971-11-18 AT AT998071A patent/AT326784B/de active
-
1972
- 1972-11-15 CH CH1658972A patent/CH574757A5/xx not_active IP Right Cessation
- 1972-11-16 SE SE7214880A patent/SE379648B/xx unknown
- 1972-11-16 DE DE2256101A patent/DE2256101C3/de not_active Expired
- 1972-11-17 FR FR7240935A patent/FR2165884B1/fr not_active Expired
- 1972-11-17 US US05/307,561 patent/US3939233A/en not_active Expired - Lifetime
- 1972-11-17 IT IT31792/72A patent/IT970979B/it active
- 1972-11-18 JP JP11612572A patent/JPS5341638B2/ja not_active Expired
- 1972-11-20 GB GB5358372A patent/GB1410388A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2256101A1 (de) | 1973-05-30 |
| DE2256101B2 (de) | 1973-11-29 |
| JPS4862675A (it) | 1973-09-01 |
| DE2256101C3 (de) | 1974-07-04 |
| CH574757A5 (it) | 1976-04-30 |
| FR2165884A1 (it) | 1973-08-10 |
| FR2165884B1 (it) | 1980-04-18 |
| AT326784B (de) | 1975-12-29 |
| US3939233A (en) | 1976-02-17 |
| JPS5341638B2 (it) | 1978-11-06 |
| ATA998071A (de) | 1975-03-15 |
| BE791573A (fr) | 1973-03-16 |
| SE379648B (it) | 1975-10-20 |
| GB1410388A (en) | 1975-10-15 |
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