GB1402834A - Process for prudicng uo2 - Google Patents
Process for prudicng uo2Info
- Publication number
- GB1402834A GB1402834A GB5620673A GB5620673A GB1402834A GB 1402834 A GB1402834 A GB 1402834A GB 5620673 A GB5620673 A GB 5620673A GB 5620673 A GB5620673 A GB 5620673A GB 1402834 A GB1402834 A GB 1402834A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pellets
- dec
- rate
- temperature
- cooling
- 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
- 238000000034 method Methods 0.000 title abstract 3
- 239000008188 pellet Substances 0.000 abstract 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- 150000003671 uranium compounds Chemical class 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052786 argon Inorganic materials 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
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
- C04B35/64—Burning or sintering processes
-
- 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
- C04B35/51—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on compounds of actinides
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
1402834 Process for producing UO 2 AGIP NUCLEARE SpA 4 Dec 1973 [14 Dec 1972] 56206/73 Heading C1A Pellets of UO 2 are prepared from pellets of a uranium compound capable, upon calcination, of conversion to the desired oxide, which process comprises subjecting the dry pellets of the uranium compound to the following steps, in an atmosphere constituted by a mixture of an inert gas (e.g. Argon) and up to 4% hydrogen: (a) heating at a rate of 300-400 C./hr. to a temperature of at least 1000 C.; (b) maintaining the temperature thus for 1-2 hrs.; (c) cooling at a rate of 300-400 C./hr. to between 700-1000 C.; (d) cooling further in a controlled but not necessarily similar manner to (c).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT32860/72A IT971827B (en) | 1972-12-14 | 1972-12-14 | PROCEDURE FOR THE PREPARATION OF UO2 BALLS BY DIRECT THERMAL CYCLE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1402834A true GB1402834A (en) | 1975-08-13 |
Family
ID=11236119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5620673A Expired GB1402834A (en) | 1972-12-14 | 1973-12-04 | Process for prudicng uo2 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR2210587B1 (en) |
| GB (1) | GB1402834A (en) |
| IT (1) | IT971827B (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3689428A (en) * | 1970-06-08 | 1972-09-05 | Atomic Energy Commission | Nuclear fuel having minimum-gas-release properties |
-
1972
- 1972-12-14 IT IT32860/72A patent/IT971827B/en active
-
1973
- 1973-12-04 GB GB5620673A patent/GB1402834A/en not_active Expired
- 1973-12-12 FR FR7344438A patent/FR2210587B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT971827B (en) | 1974-05-10 |
| FR2210587A1 (en) | 1974-07-12 |
| FR2210587B1 (en) | 1977-06-10 |
| DE2362300B2 (en) | 1976-09-09 |
| DE2362300A1 (en) | 1974-07-18 |
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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 |