KR870000244A - 6불화 우라늄을 이산화우라늄으로 변환하는 방법 - Google Patents

6불화 우라늄을 이산화우라늄으로 변환하는 방법 Download PDF

Info

Publication number
KR870000244A
KR870000244A KR1019860003750A KR860003750A KR870000244A KR 870000244 A KR870000244 A KR 870000244A KR 1019860003750 A KR1019860003750 A KR 1019860003750A KR 860003750 A KR860003750 A KR 860003750A KR 870000244 A KR870000244 A KR 870000244A
Authority
KR
South Korea
Prior art keywords
product
hydrogen gas
converting
uranium
powder
Prior art date
Application number
KR1019860003750A
Other languages
English (en)
Other versions
KR890004802B1 (ko
Inventor
히로시 다나가
아기오 우메무라
Original Assignee
미쯔비시긴조구 가부시기가이샤
나가노 다께시
미쯔비시 긴조구 가부시기 가이샤
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 미쯔비시긴조구 가부시기가이샤, 나가노 다께시, 미쯔비시 긴조구 가부시기 가이샤 filed Critical 미쯔비시긴조구 가부시기가이샤
Publication of KR870000244A publication Critical patent/KR870000244A/ko
Application granted granted Critical
Publication of KR890004802B1 publication Critical patent/KR890004802B1/ko

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/11—Powder tap density
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/20—Powder free flowing behaviour
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

내용 없음

Description

6불화 우라늄을 이산화우라늄으로 변환하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 일실시예에 사용되는 장치 계통도이다.
* 도면의 주요부분에 대한 부호의 설명
1 : 기화기 2,5,6,7 : 유통층 반응장치
2a : HF응축기 2b : HF수용액용기
8 : 제품용기 9-15 : 도관
16 : 배기처리계

Claims (5)

  1. (a) 유동층 반응장치에 UF6가스와 수증기를 취입하여 UF6를 UO2F2입자로 하는 제1단계, (b) 제1단계로부터 UO2F2입자에 암모니아 수용액을 작용시켜 증우라늄산 암모늄으로 하는 제2단계, (c) 제2단계의 생성물을 건조, 탈수하는 제3단계, (d) 제3단계의 생성물을 수소가스 혹은 수소가스 및 수증기로서 UO2분말로 변환하는 제4단계와의 조합에 의하여 6불화우라늄(UF6)을 이산화우라늄(UO2)분말로 변환하는 방법.
  2. (a) 유동층 반응장치에 UF6가스와 수증기를 취입하여 UF6를 UO2F2입자로 하는 제I단계, (b) 제1단계로부터의 UO2F2입자에 암모니아 수용액을 작용시켜 증우라늄산 암모늄으로 하는 제2단계, (c) 제2단계의 생성물을 건조, 탈수하는 제3단계, (d) 제3단계의 생성물을 수증기로서 UO3및 또는 U3O8으로 변환하는 제4단계, (e) 제4단계로부터의 UO3및 또는 U3O8을 수소가스 또는 수소가스 및 수증기로서 UO2분말로 변환하는 제5단계와의 조합으로 6불화우라늄(UF6)을 이산화우라늄(UO2)분말로 변환하는 방법.
  3. 전기 UF6가스와 수증기의 유동층 반응장치에의 취입을 2유체노즐에 의하여 행하는 청구범위 1 내지 2의 어느 일개항에 기재된 방법.
  4. 전기 제2단계의 생성물을 건조, 탈수하는 제3단계와 제3단계의 생성물을 수소가스 혹은 수소가스 및 수증기로 UO2분말로 변환하는 제4단계를 유동층 반응장치에서 행하는 청구범위 제1항 기재의 방법.
  5. 전기 제2단계의 생성물을 건조, 탈수하는 제3단계와 제3단계의 생성물을 수증기로 UO3및 또는 U3O8으로 변환하는 제4단계와 제4단계로부터의 UO3및 또는 U3O8을 수소가스 혹은 수소가스 및 수증기로서 UO2로 변환하는 제5단계를 유동층 반응장치에서 행하는 제2항 기재의 방법.
    ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.
KR1019860003750A 1985-06-04 1986-05-14 6불화 우라늄을 이산화우라늄으로 변환하는 방법 KR890004802B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP121292 1985-06-04
JP60121292A JPS61281019A (ja) 1985-06-04 1985-06-04 六フツ化ウランを二酸化ウランに変換する方法

Publications (2)

Publication Number Publication Date
KR870000244A true KR870000244A (ko) 1987-02-17
KR890004802B1 KR890004802B1 (ko) 1989-11-27

Family

ID=14807646

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860003750A KR890004802B1 (ko) 1985-06-04 1986-05-14 6불화 우라늄을 이산화우라늄으로 변환하는 방법

Country Status (7)

Country Link
US (1) US4808390A (ko)
JP (1) JPS61281019A (ko)
KR (1) KR890004802B1 (ko)
CN (1) CN1007344B (ko)
DE (1) DE3618695A1 (ko)
FR (1) FR2582641B1 (ko)
GB (1) GB2177386B (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5085049A (en) * 1990-07-09 1992-02-04 Rim Julius J Diesel engine exhaust filtration system and method
US5251564A (en) * 1990-04-26 1993-10-12 Rim Julius J Combustion box exhaust filtration system and method

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US5077020A (en) * 1989-12-20 1991-12-31 Westinghouse Electric Corp. Metal recovery process using waterglass
US5139709A (en) * 1991-02-04 1992-08-18 Institute Of Nuclear Energy Research, Chinese Atomic Energy Council, Taiwan Process for converting uranyl compounds to UO2 via ADU
JPH0751444B2 (ja) * 1991-02-20 1995-06-05 インスティチュート・オブ・ヌクリアー・エナージィ・リサーチ・チャイニーズ・アトミック・エナージィ・カウンシル・タイワン・アール・オー・シー ウラニル化合物をａｄｕを経てｕｏ２に転化する方法
US5098677A (en) * 1991-04-05 1992-03-24 The United States Of America As Represented By The Department Of Energy Actinide metal processing
US5744116A (en) * 1994-12-08 1998-04-28 Cameco Corporation Reaction of uranium fluorides with mineral acids to recover hydrogen fluoride
US5752158A (en) * 1996-04-19 1998-05-12 M4 Environmental L.P. Thermal process for the conversion of uranium hexafluoride
ATE266892T1 (de) * 1999-09-06 2004-05-15 Europ Economic Community Verfahren zur herstellung von kernbrennstofftabletten vom typ mox
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
CN102153143B (zh) * 2011-04-15 2013-01-02 中核北方核燃料元件有限公司 一种重铀酸铵的制备工艺方法及装置
US9567237B2 (en) * 2012-11-16 2017-02-14 Honeywell International Inc. Separation and recovery of molybdenum values from uranium process distillate
CN104045112B (zh) * 2013-03-14 2015-11-25 中核四0四有限公司 一种三氧化铀流化床氢还原工艺
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
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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB979351A (en) * 1961-01-23 1965-01-01 Atomic Energy Authority Uk Improvements in or relating to the manufacture of uranium dioxide
US3394997A (en) * 1965-04-12 1968-07-30 Gen Electric Method of preparing uranium diuranate
DE1592471C3 (de) * 1966-04-02 1978-11-30 Nukem Gmbh, 6450 Hanau Verfahren zur Herstellung von Urandioxidpulvern und -granulaten
SE328559B (ko) * 1967-03-01 1970-09-21 Nukem Gmbh
US3579311A (en) * 1968-04-25 1971-05-18 Gen Electric Process and apparatus for producing uo2 powder
US3765844A (en) * 1968-10-04 1973-10-16 United Nuclear Corp Production of uranium dioxide
US4020146A (en) * 1969-07-18 1977-04-26 Westinghouse Electric Corporation Production of uranium dioxide
US3906081A (en) * 1973-05-31 1975-09-16 Exxon Nuclear Co Inc Fluidized reactor reduction of UF{HD 6 {B to UO{HD 2
JPS5039435A (ko) * 1973-08-10 1975-04-11
US4053559A (en) * 1976-06-14 1977-10-11 Westinghouse Electric Corporation Production of uranium dioxide
US4120936A (en) * 1977-02-28 1978-10-17 Exxon Research & Engineering Co. Process for conversion of UF6 to UO2
JPS5551855A (en) * 1978-10-04 1980-04-15 Yoneda Masaharu Head and needle of knitting machine
JPS5692124A (en) * 1979-12-10 1981-07-25 British Nuclear Fuels Ltd Conversion to oxide of uranium from uranium hexafluoride
JPS5950030A (ja) * 1982-09-14 1984-03-22 Mitsubishi Nuclear Fuel Co Ltd 二酸化ウラン粉末の製造法
JPS59137320A (ja) * 1983-01-28 1984-08-07 Mitsubishi Metal Corp 二酸化ウラン粉末の製法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251564A (en) * 1990-04-26 1993-10-12 Rim Julius J Combustion box exhaust filtration system and method
US5085049A (en) * 1990-07-09 1992-02-04 Rim Julius J Diesel engine exhaust filtration system and method

Also Published As

Publication number Publication date
KR890004802B1 (ko) 1989-11-27
GB8613325D0 (en) 1986-07-09
JPH0313172B2 (ko) 1991-02-21
CN86103859A (zh) 1987-02-18
CN1007344B (zh) 1990-03-28
US4808390A (en) 1989-02-28
DE3618695A1 (de) 1986-12-04
JPS61281019A (ja) 1986-12-11
DE3618695C2 (ko) 1991-02-28
FR2582641A1 (fr) 1986-12-05
GB2177386B (en) 1989-03-30
FR2582641B1 (fr) 1989-12-22
GB2177386A (en) 1987-01-21

Similar Documents

Publication Publication Date Title
KR870000244A (ko) 6불화 우라늄을 이산화우라늄으로 변환하는 방법
BR9101952A (pt) Processo para a desnitrificacao de gases residuais com obtencao de hno2
KR870000245A (ko) 6불화 우라늄을 이산화우라늄으로 변환하는 방법
EG15479A (en) Process for the removal of urea,ammonia and carbon dioxide from dilute equeous solutions
JPS5268129A (en) Recovery of unreacted material and heat on urea synthesis
GB1090306A (en) Improvements in or relating to the removal of sulphur dioxide from gases
CA1163779A (en) Control of hydrogen sulfide emission from geothermal steam plants with hydrogen peroxide and sodium vanadate
DE3268497D1 (en) Process for the recovery of valuable components from the waste streams obtained in the preparation of urea
US4259300A (en) Integrated method for pollution abatement and energy derivation from geothermal steam
ES480321A1 (es) Metodo para accionar un sistema generador de vapor.
IN158238B (ko)
KR880005965A (ko) 산화 촉매의 재생방법
IS3114A7 (is) Endurbætt aðferð til að fjarlægja H2S úr jarðgufu
KR890012695A (ko) 가스 스트림으로부터 h_2s를 제거시키는 방법.
BR7907924A (pt) Processo para separacao de isotopos
GB1037554A (en) Process for the recovery of sulphur dioxide contained in industrial gases
US3984529A (en) Process for recovering sulfur by removal of sulfur dioxide from gaseous mixtures
GB950079A (en) Improvements in or relating to concentrated hydrochloric acid production
GB1367033A (en) Removal of hydrogen sulphide contained in a gas of high carbon dioxide content
KR930009639A (ko) 폐가스로부터 할로겐화 유기 화합물을 제거하는 방법
US2981370A (en) Method of recovering heat and chemical products in flue gases from the combustion of liquors from the manufacture of cellulose pulp
GB1087028A (en) Method of treating exhaust gases containing sulphur dioxide
ES400063A1 (es) Procedimiento para extraer dioxido de azufre de un gas que lo contiene.
FR2140783A5 (en) Removing sulphur dioxide - from gases by use of ammonia or ammonium sulphite solns
JPS5727135A (en) Waste gas treating catalyst

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20031030

Year of fee payment: 15

LAPS Lapse due to unpaid annual fee