GB1354330A - Process for controlling surface area of ceramic powders - Google Patents
Process for controlling surface area of ceramic powdersInfo
- Publication number
- GB1354330A GB1354330A GB1956371*[A GB1956371A GB1354330A GB 1354330 A GB1354330 A GB 1354330A GB 1956371 A GB1956371 A GB 1956371A GB 1354330 A GB1354330 A GB 1354330A
- Authority
- GB
- United Kingdom
- Prior art keywords
- surface area
- heating
- ceramic powder
- uranium
- fluoride
- 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
- 239000000919 ceramic Substances 0.000 title abstract 5
- 239000000843 powder Substances 0.000 title abstract 5
- 238000010438 heat treatment Methods 0.000 abstract 4
- 239000001257 hydrogen Substances 0.000 abstract 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 2
- 229910052770 Uranium Inorganic materials 0.000 abstract 2
- KCKICANVXIVOLK-UHFFFAOYSA-L dioxouranium(2+);difluoride Chemical compound [F-].[F-].O=[U+2]=O KCKICANVXIVOLK-UHFFFAOYSA-L 0.000 abstract 2
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 abstract 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- WZECUPJJEIXUKY-UHFFFAOYSA-N [O-2].[O-2].[O-2].[U+6] Chemical compound [O-2].[O-2].[O-2].[U+6] WZECUPJJEIXUKY-UHFFFAOYSA-N 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 229910052786 argon Inorganic materials 0.000 abstract 1
- 238000006115 defluorination reaction Methods 0.000 abstract 1
- 239000001307 helium Substances 0.000 abstract 1
- 229910052734 helium Inorganic materials 0.000 abstract 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract 1
- 150000002431 hydrogen Chemical class 0.000 abstract 1
- 229910052743 krypton Inorganic materials 0.000 abstract 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052754 neon Inorganic materials 0.000 abstract 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 229910000439 uranium oxide Inorganic materials 0.000 abstract 1
- 229910052724 xenon Inorganic materials 0.000 abstract 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 abstract 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
- G21C3/623—Oxide fuels
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/145—After-treatment of oxides or hydroxides, e.g. pulverising, drying, decreasing the acidity
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
-
- 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)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5599970A | 1970-07-17 | 1970-07-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1354330A true GB1354330A (en) | 1974-06-05 |
Family
ID=22001492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1956371*[A Expired GB1354330A (en) | 1970-07-17 | 1971-06-09 | Process for controlling surface area of ceramic powders |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3761547A (enExample) |
| JP (2) | JPS5755657B1 (enExample) |
| BE (1) | BE770116A (enExample) |
| DE (1) | DE2135715C3 (enExample) |
| ES (1) | ES392363A1 (enExample) |
| FR (1) | FR2101702A5 (enExample) |
| GB (1) | GB1354330A (enExample) |
| SE (1) | SE378586B (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3136302C2 (de) * | 1981-09-12 | 1983-08-04 | Nukem Gmbh, 6450 Hanau | Verfahren zur Herstellung von U↓3↓O↓8↓-Pulver |
| US4401608A (en) * | 1981-10-13 | 1983-08-30 | General Electric Company | Method for enlarging grain size of uranium oxide |
| FR2525208B1 (fr) * | 1982-04-19 | 1986-01-31 | Commissariat Energie Atomique | Procede de traitement d'une poudre d'oxyde metallique et utilisation de la poudre traitee pour la fabrication de pastilles de combustible nucleaire |
| FR2526006A1 (fr) * | 1982-04-30 | 1983-11-04 | Comurhex | Procede d'obtention de uo3 de grande surface specifique a partir de nitrate d'uranyle hydrate |
| FR2555566B1 (fr) * | 1983-11-25 | 1989-02-17 | Comurhex | Procede de preparation d'oxydes metalliques pulverulents a partir de solutions aqueuses ou de melanges solides de nitrates metalliques |
| JPS60115996A (ja) * | 1983-11-28 | 1985-06-22 | 株式会社東芝 | 音声認識装置 |
| JPS61286225A (ja) * | 1985-06-11 | 1986-12-16 | Mitsubishi Metal Corp | 六フツ化ウランを二酸化ウランに変換する方法 |
| US5066429A (en) * | 1988-08-17 | 1991-11-19 | General Electric Company | Method for passivating uranium oxides to control oxidation, and the oxidation resisting uranium product thereof |
| US5069888A (en) * | 1989-07-31 | 1991-12-03 | General Electric Company | Process for passivating uranium oxides to control oxidation |
| JP3075250B2 (ja) | 1998-03-04 | 2000-08-14 | 日本電気株式会社 | 話者認識方法及び装置 |
| US8410193B2 (en) * | 2008-02-07 | 2013-04-02 | Thomas E. Day | Silane coating process for high alkali bioactive glasses |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2881051A (en) * | 1953-03-25 | 1959-04-07 | Pechiney Prod Chimiques Sa | Process for forming a stable agglomerated mass of active alumina |
| US2968537A (en) * | 1958-09-12 | 1961-01-17 | Universal Oil Prod Co | Manufacture of activated refractory inorganic oxides |
| US3094384A (en) * | 1958-09-29 | 1963-06-18 | Standard Oil Co | Method of controlling properties of porous metal oxides |
| NL250888A (enExample) * | 1959-04-28 | |||
| NL293754A (enExample) * | 1962-06-14 | |||
| BE657980A (enExample) * | 1964-01-10 |
-
1970
- 1970-07-17 US US00055999A patent/US3761547A/en not_active Expired - Lifetime
-
1971
- 1971-06-09 GB GB1956371*[A patent/GB1354330A/en not_active Expired
- 1971-06-17 ES ES392363A patent/ES392363A1/es not_active Expired
- 1971-07-12 SE SE7109031A patent/SE378586B/xx unknown
- 1971-07-13 FR FR7125813A patent/FR2101702A5/fr not_active Expired
- 1971-07-16 DE DE2135715A patent/DE2135715C3/de not_active Expired
- 1971-07-16 BE BE770116A patent/BE770116A/xx unknown
- 1971-07-16 JP JP46053525A patent/JPS5755657B1/ja active Pending
-
1981
- 1981-05-27 JP JP7945281A patent/JPS5722120A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2135715A1 (de) | 1972-01-20 |
| JPS5722120A (en) | 1982-02-05 |
| SE378586B (enExample) | 1975-09-08 |
| FR2101702A5 (enExample) | 1972-03-31 |
| ES392363A1 (es) | 1973-10-01 |
| US3761547A (en) | 1973-09-25 |
| JPS5755657B1 (enExample) | 1982-11-25 |
| BE770116A (fr) | 1972-01-17 |
| DE2135715C3 (de) | 1981-06-04 |
| DE2135715B2 (de) | 1980-07-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |