CA1048724A - Production of spherical particles of ceramic materials - Google Patents
Production of spherical particles of ceramic materialsInfo
- Publication number
- CA1048724A CA1048724A CA74193208A CA193208A CA1048724A CA 1048724 A CA1048724 A CA 1048724A CA 74193208 A CA74193208 A CA 74193208A CA 193208 A CA193208 A CA 193208A CA 1048724 A CA1048724 A CA 1048724A
- Authority
- CA
- Canada
- Prior art keywords
- particles
- solution
- droplets
- temperature
- process according
- 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
Links
- 239000012798 spherical particle Substances 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 title description 2
- 239000002245 particle Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000003349 gelling agent Substances 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 238000001354 calcination Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000003758 nuclear fuel Substances 0.000 claims abstract description 5
- 150000003839 salts Chemical class 0.000 claims abstract description 5
- 239000002826 coolant Substances 0.000 claims abstract description 3
- 239000012527 feed solution Substances 0.000 claims description 23
- 239000000243 solution Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 230000005865 ionizing radiation Effects 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 4
- 239000003054 catalyst Substances 0.000 abstract description 3
- 239000006249 magnetic particle Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- ZAASRHQPRFFWCS-UHFFFAOYSA-P diazanium;oxygen(2-);uranium Chemical compound [NH4+].[NH4+].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[U].[U] ZAASRHQPRFFWCS-UHFFFAOYSA-P 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 229920003091 Methocel™ Polymers 0.000 description 1
- 229910017974 NH40H Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- -1 tetrahydrofurfuryl Chemical group 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 229910002007 uranyl nitrate Inorganic materials 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Dispersion Chemistry (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Glanulating (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20749/73A IT983478B (it) | 1973-02-23 | 1973-02-23 | Procedimento di controllo delle profrieta geometriche di parti celle di materiali ceramici |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1048724A true CA1048724A (en) | 1979-02-20 |
Family
ID=11171487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA74193208A Expired CA1048724A (en) | 1973-02-23 | 1974-02-22 | Production of spherical particles of ceramic materials |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3993578A (en:Method) |
| JP (2) | JPS5024307A (en:Method) |
| BE (1) | BE811476A (en:Method) |
| CA (1) | CA1048724A (en:Method) |
| ES (1) | ES423666A1 (en:Method) |
| FR (1) | FR2219459B1 (en:Method) |
| GB (1) | GB1453012A (en:Method) |
| IT (1) | IT983478B (en:Method) |
| LU (1) | LU69465A1 (en:Method) |
| NL (1) | NL163132C (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1096310B (it) * | 1978-05-23 | 1985-08-26 | Agip Nucleare Spa | Procedimento per la preparazione di polvere di ossido di uranio |
| IT1136856B (it) * | 1981-03-06 | 1986-09-03 | Agip Nucleare Spa | Procedimento per la produzione di particelle di gel ed apparecchiatura per l'attuazione di detto procedimento |
| DE3314259A1 (de) * | 1983-04-20 | 1984-10-25 | Henkel KGaA, 4000 Düsseldorf | Hohlkoerper aus verfestigtem alkalisilikat |
| FR2618238B1 (fr) * | 1987-07-17 | 1992-03-13 | Ricard Claude | Procedes pour corriger la derive de l'horloge electronique d'un appareil electronique et appareils electroniques utilisant ces procedes. |
| US5358695A (en) * | 1993-01-21 | 1994-10-25 | Physical Sciences, Inc. | Process for producing nanoscale ceramic powders |
| US5447708A (en) * | 1993-01-21 | 1995-09-05 | Physical Sciences, Inc. | Apparatus for producing nanoscale ceramic powders |
| US10369724B2 (en) * | 2015-11-19 | 2019-08-06 | Schlumberger Technology Corporation | Method of making spheroidal particles |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1067095A (en) * | 1964-01-21 | 1967-05-03 | Snam Spa | Production of balls or spheres of refractory materials |
| GB1175834A (en) * | 1966-04-07 | 1969-12-23 | Atomic Energy Authority Uk | Improvements in or relating to the Chemical Production of Metal-Containing Materials as Particles and other Configurations |
| US3586742A (en) * | 1966-11-25 | 1971-06-22 | Gulf Energy & Environ Systems | Process of preparing oxide microspheres |
| GB1311284A (en) * | 1969-04-09 | 1973-03-28 | Atomic Energy Authority Uk | Making of particulate spheres |
| DE2037232C3 (de) * | 1970-07-28 | 1975-01-02 | Nukem Gmbh, 6454 Grossauheim | Verfahren zur Herstellung von oxidischen und karbidischen Kernbrenn - und Brutstoffpartikeln für Hochtemperatur-Reaktoren |
-
1973
- 1973-02-23 IT IT20749/73A patent/IT983478B/it active
-
1974
- 1974-02-19 ES ES423666A patent/ES423666A1/es not_active Expired
- 1974-02-21 FR FR7406019A patent/FR2219459B1/fr not_active Expired
- 1974-02-22 CA CA74193208A patent/CA1048724A/en not_active Expired
- 1974-02-22 US US05/444,773 patent/US3993578A/en not_active Expired - Lifetime
- 1974-02-22 LU LU69465A patent/LU69465A1/xx unknown
- 1974-02-22 BE BE141306A patent/BE811476A/xx not_active IP Right Cessation
- 1974-02-22 JP JP49020609A patent/JPS5024307A/ja active Pending
- 1974-02-25 NL NL7402541.A patent/NL163132C/xx not_active IP Right Cessation
- 1974-02-25 GB GB852174A patent/GB1453012A/en not_active Expired
-
1979
- 1979-04-26 JP JP1979055300U patent/JPS5839776Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5839776Y2 (ja) | 1983-09-07 |
| ES423666A1 (es) | 1976-05-01 |
| DE2408731A1 (de) | 1974-10-10 |
| FR2219459A1 (en:Method) | 1974-09-20 |
| JPS5024307A (en:Method) | 1975-03-15 |
| NL7402541A (en:Method) | 1974-08-27 |
| FR2219459B1 (en:Method) | 1977-09-16 |
| DE2408731B2 (de) | 1976-10-14 |
| JPS559298U (en:Method) | 1980-01-21 |
| IT983478B (it) | 1974-10-31 |
| BE811476A (fr) | 1974-06-17 |
| NL163132B (nl) | 1980-03-17 |
| LU69465A1 (en:Method) | 1974-05-29 |
| NL163132C (nl) | 1980-08-15 |
| GB1453012A (en) | 1976-10-20 |
| US3993578A (en) | 1976-11-23 |
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