ES2159193T3 - Procedimiento y dispositivo de conversion directa de hexafluoruro de uranio en oxido de uranio. - Google Patents
Procedimiento y dispositivo de conversion directa de hexafluoruro de uranio en oxido de uranio.Info
- Publication number
- ES2159193T3 ES2159193T3 ES98956945T ES98956945T ES2159193T3 ES 2159193 T3 ES2159193 T3 ES 2159193T3 ES 98956945 T ES98956945 T ES 98956945T ES 98956945 T ES98956945 T ES 98956945T ES 2159193 T3 ES2159193 T3 ES 2159193T3
- Authority
- ES
- Spain
- Prior art keywords
- uranium
- oxide
- hexafluoride
- procedure
- direct conversion
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0091—Including arrangements for environmental or personal protection
- B01D46/0094—Including arrangements for environmental or personal protection against radiation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G43/00—Compounds of uranium
- C01G43/01—Oxides; Hydroxides
- C01G43/025—Uranium dioxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0095—Means acting upon failure of the filtering system, e.g. in case of damage of the filter elements; Failsafes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2407—Filter candles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/28—Moving reactors, e.g. rotary drums
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/005—Separating solid material from the gas/liquid stream
- B01J8/006—Separating solid material from the gas/liquid stream by filtration
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G43/00—Compounds of uranium
- C01G43/01—Oxides; Hydroxides
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/42—Reprocessing of irradiated fuel
- G21C19/44—Reprocessing of irradiated fuel of irradiated solid fuel
- G21C19/48—Non-aqueous processes
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
-
- 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
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
- B01J2219/00058—Temperature measurement
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
- B01J2219/00065—Pressure measurement
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00132—Controlling the temperature using electric heating or cooling elements
- B01J2219/00135—Electric resistance heaters
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/0015—Controlling the temperature by thermal insulation means
- B01J2219/00155—Controlling the temperature by thermal insulation means using insulating materials or refractories
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/18—Details relating to the spatial orientation of the reactor
- B01J2219/187—Details relating to the spatial orientation of the reactor inclined at an angle to the horizontal or to the vertical plane
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G43/00—Compounds of uranium
- C01G43/04—Halides of uranium
- C01G43/06—Fluorides
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ceramic Engineering (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
LA PRESENTE INVENCION SE REFIERE AL DISPOSITIVO DE CONVERSION QUE COMPRENDE, EN SUCESION, UN REACTOR (12) PROVISTO DE MEDIOS DE INTRODUCCION DE UF 6 , DE VAPOR DE AGUA Y DE NI TROGENO DESTINADO A PROVOCAR LA FORMACION DE UO 2 F SUB, 2 POR HIDROLISIS, UN HORNO TUBULAR ROTATORIO DE PIROHIDROLISIS DESTINADO A TRANSFORMAR UO 2 F 2 EN OXIDO DE URANIO, PROVISTO DE MEDIOS DE CALENTAMIENTO REPARTIDOS EN, POR LO MENOS, CINCO ZONAS Y MEDIOS DE ACONDICIONAMIENTO DEL POLVO DE OXIDO. LOS MEDIOS DE INTRODUCCION COMPRENDEN UN INYECTOR DE TRES BOQUILLAS CONCENTRICAS, RELACIONADAS RESPECTIVAMENTE, ALLEGADAS DE UF 6 , DE NITROGENO Y DE VAPOR DE AGUA, SIENDO EL UF 6 LLEVADO A LA BOQUILLA CENTRAL Y SIENDO EL NITROGENO INYECTADO ENTRE EL UF 6 Y EL VAPOR DE AGUA.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9715016A FR2771725B1 (fr) | 1997-11-28 | 1997-11-28 | Procede et dispositif de conversion directe d'hexafluorure d'uranium en oxyde d'uranium |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2159193T3 true ES2159193T3 (es) | 2001-09-16 |
Family
ID=9513946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98956945T Expired - Lifetime ES2159193T3 (es) | 1997-11-28 | 1998-11-25 | Procedimiento y dispositivo de conversion directa de hexafluoruro de uranio en oxido de uranio. |
Country Status (14)
Country | Link |
---|---|
US (1) | US6136285A (es) |
EP (1) | EP0960070B1 (es) |
JP (1) | JP4206448B2 (es) |
KR (1) | KR100567454B1 (es) |
CN (1) | CN1143824C (es) |
AU (1) | AU1340099A (es) |
BR (1) | BR9807115A (es) |
DE (1) | DE69800995T2 (es) |
ES (1) | ES2159193T3 (es) |
FR (1) | FR2771725B1 (es) |
RU (1) | RU2162058C1 (es) |
TW (1) | TW362217B (es) |
WO (1) | WO1999028236A1 (es) |
ZA (1) | ZA9810827B (es) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2805044B1 (fr) | 2000-02-11 | 2002-05-17 | Franco Belge Combustibles | Procede et dispositif de determination de l'evolution d'une reaction chimique dans un four et de reglage de la reaction |
ATE223256T1 (de) * | 2000-12-15 | 2002-09-15 | Skp Recycling Ag & Co | Vorrichtung zum reinigen und/oder dekontaminieren von polyester |
FR2818159B1 (fr) * | 2000-12-15 | 2003-10-03 | Franco Belge Combustibles | Procede et dispositif de decolmatage d'un filtre d'une installation de production d'oxyde d'uranium a partir d'hexafluorure d'uranium |
US7824640B1 (en) * | 2006-07-25 | 2010-11-02 | Westinghouse Electric Co. Llc | Two step dry UO2 production process utilizing a positive sealing valve means between steps |
EP2277831B1 (en) * | 2009-07-20 | 2012-05-23 | Westinghouse Electric Company LLC | Two step dry UO2 production process utilizing a positive sealing valve means between steps |
US8778291B2 (en) * | 2009-07-29 | 2014-07-15 | The South African Nuclear Energy Corporation Limited | Treatment of zirconia-based material with ammonium bi-fluoride |
ES2727023T3 (es) * | 2009-11-12 | 2019-10-11 | Framatome Inc | Reactores segmentados para cambios de capacidad y enriquecimiento en la conversión de hexafluoruro de uranio en dióxido de uranio |
CN102476080A (zh) * | 2010-11-29 | 2012-05-30 | 中核建中核燃料元件有限公司 | 一种转化还原炉喷嘴及其加工用刀具 |
FR2972811B1 (fr) | 2011-03-14 | 2014-02-07 | Soc Franco Belge De Fabrication De Combustibles Fbfc | Dispositif et procede de spectrometrie photonique, procede de calibrage du dispositif et utilisation du dispositif |
RU2498941C2 (ru) * | 2012-02-28 | 2013-11-20 | Открытое акционерное общество "Машиностроительный завод" | Реакционная камера для получения порошка диоксида урана методом пирогидролиза из гексафторида урана (варианты) |
RU2548443C2 (ru) * | 2013-06-05 | 2015-04-20 | Открытое акционерное общество "Машиностроительный завод" | Аппарат для гидролиза гексафторида урана |
RU2567633C1 (ru) * | 2014-09-24 | 2015-11-10 | Акционерное общество "Высокотехнологический научно-исследовательский институт неорганических материалов имени академика А.А. Бочвара" ( АО "ВНИИНМ") | Способ получения порошка диоксида урана из гексафторида урана и установка для его осуществления |
CN106924989B (zh) * | 2015-12-29 | 2019-05-17 | 中核四○四有限公司 | 天然六氟化铀气相转移方法 |
KR101856467B1 (ko) * | 2017-06-01 | 2018-05-11 | 한전원자력연료 주식회사 | 기상반응을 통한 6불화우라늄 실린더 내부 잔여물 처리방법 및 처리장치 |
US10457558B2 (en) | 2017-06-22 | 2019-10-29 | Westinghouse Electric Company Llc | Method to produce uranium silicides |
CN109954475A (zh) * | 2017-12-25 | 2019-07-02 | 中核建中核燃料元件有限公司 | 一种干法制备uo2粉末工艺过程中的喷嘴 |
KR102065771B1 (ko) * | 2018-06-26 | 2020-01-13 | 한전원자력연료 주식회사 | 핵연료 제조공정에서의 uf6 가스 누출 감지 시스템 |
KR102579206B1 (ko) * | 2018-10-09 | 2023-09-14 | 후라마통 | 육불화우라늄을 이산화우라늄으로 변환하기 위한 설비 및 방법 |
BR112021006260A2 (pt) * | 2018-10-09 | 2021-07-06 | Framatome Sa | método de conversão de hexafluoreto de urânio (uf6) em dióxido de urânio (uo2) e instalação de conversão |
BR112021006291A2 (pt) | 2018-10-09 | 2021-07-06 | Framatome Sa | equipamento de produção de combustível nuclear em pó |
CN112840410A (zh) * | 2018-10-09 | 2021-05-25 | 法玛通公司 | 将六氟化铀转化为二氧化铀的方法和设施 |
CN109399745A (zh) * | 2018-12-17 | 2019-03-01 | 广东上典环境保护工程有限公司 | 一种自除垢蒸发器及其运行方法 |
MY196848A (en) | 2019-09-05 | 2023-05-04 | Publichnoe Aktsionernoe Obshchestvo Novosibirsky Zavod Khimkontsentratov Pao Nzhk | Reaction chamber for extraction of uranium dioxide powder by using method of uranium hexafluoride reductive pyrohydrolysis |
FR3103118B1 (fr) | 2019-11-15 | 2022-03-25 | Framatome Sa | Réacteur d’hydrolyse d’hexafluorure d’uranium |
CN112811470A (zh) * | 2020-11-20 | 2021-05-18 | 中核北方核燃料元件有限公司 | 一种六氟化铀干法制备高纯氟化铀酰粉末的方法 |
CN113023782B (zh) * | 2021-03-10 | 2023-05-05 | 哈尔滨工程大学 | 一种重铀酸钠(Na2U2O7)直接制备UO2的方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2333948A (en) * | 1941-04-25 | 1943-11-09 | Pittsburgh Plate Glass Co | Preparation of pigments |
US4020146A (en) * | 1969-07-18 | 1977-04-26 | Westinghouse Electric Corporation | Production of uranium dioxide |
FR2060242A1 (en) * | 1969-09-19 | 1971-06-18 | Commissariat Energie Atomique | Sinterable uranium oxides from uraniumhexafluoride |
US3845193A (en) * | 1969-10-15 | 1974-10-29 | Atomic Energy Authority Uk | Production of uranium dioxide in a rotary kiln |
US3978194A (en) * | 1971-06-21 | 1976-08-31 | Westinghouse Electric Corporation | Production of sized particles of uranium oxides and uranium oxyfluorides |
US3906081A (en) * | 1973-05-31 | 1975-09-16 | Exxon Nuclear Co Inc | Fluidized reactor reduction of UF{HD 6 {B to UO{HD 2 |
GB1426159A (en) * | 1973-08-10 | 1976-02-25 | Gen Electric | Process for producing uranium dioxide rich compositions from uranium hexafluoride |
FR2310315A1 (fr) * | 1975-05-09 | 1976-12-03 | Commissariat Energie Atomique | Procede et dispositif de fabrication d'oxyde d'uranium uo2 par voie seche |
US3970581A (en) * | 1975-05-12 | 1976-07-20 | General Electric Company | Multiple gas streams in the post oxidation step in a process for converting uranium hexafluoride to uranium oxide rich compositions |
US4031029A (en) * | 1975-07-02 | 1977-06-21 | General Electric Company | Process for producing uranium oxide rich compositions from uranium hexafluoride using fluid injection into the reaction zone |
US4005042A (en) * | 1975-07-02 | 1977-01-25 | General Electric Company | Process for producing uranium rich compositions from uranium hexafluoride using fluid injection in the post oxidation step |
US4053559A (en) * | 1976-06-14 | 1977-10-11 | Westinghouse Electric Corporation | Production of uranium dioxide |
FR2557557B1 (fr) * | 1983-12-28 | 1986-05-30 | Fragema Framatome & Cogema | Procede et installation de production de dioxyde d'uranium frittable |
US4830841A (en) * | 1984-12-24 | 1989-05-16 | Advanced Nuclear Fuels Corporation | Conversion of uranium hexafluoride to uranium dioxide |
US4698214A (en) * | 1985-08-12 | 1987-10-06 | General Electric Company | Method and combustion reactor for converting uranium hexafluoride gas to an oxide of uranium |
JPH0653572B2 (ja) * | 1986-05-27 | 1994-07-20 | 三菱マテリアル株式会社 | 六フツ化ウランから二酸化ウランを製造する方法 |
GB9309505D0 (en) * | 1993-05-08 | 1993-06-23 | British Nuclear Fuels Plc | Improvements in or relating to rotary kilns |
GB9410782D0 (en) * | 1994-05-28 | 1994-07-27 | British Nuclear Fuels Plc | The reaction of gases |
GB9411096D0 (en) * | 1994-06-03 | 1994-07-27 | British Nuclear Fuels Plc | Uranium oxide production |
US5752158A (en) * | 1996-04-19 | 1998-05-12 | M4 Environmental L.P. | Thermal process for the conversion of uranium hexafluoride |
-
1997
- 1997-11-28 FR FR9715016A patent/FR2771725B1/fr not_active Expired - Fee Related
-
1998
- 1998-09-15 US US09/153,243 patent/US6136285A/en not_active Expired - Lifetime
- 1998-11-17 TW TW087118986A patent/TW362217B/zh active
- 1998-11-25 KR KR1019997006775A patent/KR100567454B1/ko not_active IP Right Cessation
- 1998-11-25 RU RU99115250/12A patent/RU2162058C1/ru active
- 1998-11-25 BR BR9807115-7A patent/BR9807115A/pt unknown
- 1998-11-25 AU AU13400/99A patent/AU1340099A/en not_active Abandoned
- 1998-11-25 ES ES98956945T patent/ES2159193T3/es not_active Expired - Lifetime
- 1998-11-25 WO PCT/FR1998/002522 patent/WO1999028236A1/fr active IP Right Grant
- 1998-11-25 EP EP98956945A patent/EP0960070B1/fr not_active Expired - Lifetime
- 1998-11-25 JP JP53016999A patent/JP4206448B2/ja not_active Expired - Lifetime
- 1998-11-25 DE DE69800995T patent/DE69800995T2/de not_active Expired - Lifetime
- 1998-11-25 CN CNB988019922A patent/CN1143824C/zh not_active Expired - Lifetime
- 1998-11-26 ZA ZA9810827A patent/ZA9810827B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CN1244178A (zh) | 2000-02-09 |
TW362217B (en) | 1999-06-21 |
WO1999028236A1 (fr) | 1999-06-10 |
EP0960070B1 (fr) | 2001-06-27 |
KR20000070530A (ko) | 2000-11-25 |
JP4206448B2 (ja) | 2009-01-14 |
DE69800995D1 (de) | 2001-08-02 |
US6136285A (en) | 2000-10-24 |
EP0960070A1 (fr) | 1999-12-01 |
AU1340099A (en) | 1999-06-16 |
CN1143824C (zh) | 2004-03-31 |
FR2771725B1 (fr) | 2000-02-04 |
BR9807115A (pt) | 2000-04-25 |
FR2771725A1 (fr) | 1999-06-04 |
RU2162058C1 (ru) | 2001-01-20 |
KR100567454B1 (ko) | 2006-04-04 |
ZA9810827B (en) | 1999-05-28 |
DE69800995T2 (de) | 2002-01-17 |
JP2001511109A (ja) | 2001-08-07 |
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