KR830010209A - How to recover uranium - Google Patents

How to recover uranium Download PDF

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Publication number
KR830010209A
KR830010209A KR1019820002262A KR820002262A KR830010209A KR 830010209 A KR830010209 A KR 830010209A KR 1019820002262 A KR1019820002262 A KR 1019820002262A KR 820002262 A KR820002262 A KR 820002262A KR 830010209 A KR830010209 A KR 830010209A
Authority
KR
South Korea
Prior art keywords
precipitate
uranium
leachate
leaching
nitric acid
Prior art date
Application number
KR1019820002262A
Other languages
Korean (ko)
Inventor
줴이·라호다 에드워드
Original Assignee
테오도르 스턴
웨스팅하우스 일렉트릭 코오포레이숀
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 테오도르 스턴, 웨스팅하우스 일렉트릭 코오포레이숀 filed Critical 테오도르 스턴
Publication of KR830010209A publication Critical patent/KR830010209A/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02—Obtaining thorium, uranium, or other actinides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02—Obtaining thorium, uranium, or other actinides
    • C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0221—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching
    • C22B60/0226—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors
    • C22B60/0239—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors nitric acid containing ion as active agent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02—Obtaining thorium, uranium, or other actinides
    • C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0252—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
    • C22B60/026—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries liquid-liquid extraction with or without dissolution in organic solvents

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

내용 없음No content

Description

우라늄의 회수방법How to recover uranium

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (10)

언급한 공동침전물 여과에 의해 pH 2내지 3을 갖는 침출물로 언급한 공동침전물을 침출시키는 것을 특징으로 하는 실리케이트-우라늄 공동침전물로부터 우라늄을 회수하는 방법.A method for recovering uranium from a silicate-uranium co-precipitate characterized by leaching said co-precipitate as a leachate having a pH 2 to 3 by means of said co-precipitate filtration. 제1항에 있어서, 침출물이 수성질산인것을 특징으로 하는 방법.The method of claim 1 wherein the leachate is aqueous nitric acid. 제2항에 있어서, 질산이 5 내지 20%인 것을 특징으로 하는 방법.The method of claim 2 wherein the nitric acid is 5-20%. 제2항 또는 3항에 있어서, 침출후, 공동침전물을 5내지 20% 질산으로 세척하는 것을 특징으로 하는 방법.The method according to claim 2 or 3, wherein after leaching, the co-precipitate is washed with 5 to 20% nitric acid. 제4항에 있어서, 공동침전물을 4내지 7번 세척하는 것을 특징으로 하는 방법.The method of claim 4 wherein the co-precipitate is washed four to seven times. 제1항 내지 5항에 있어서, 공동침전물대 침출물의 중량비가0.5대 1 내지 1.5대1인 것을 특징으로 하는 방법.The method according to claim 1, wherein the weight ratio of coprecipitate to leachate is 0.5 to 1 to 1.5 to 1. 제1항 내지 5항에 있어서, 공동침전물대 침출물의 중량비가1:1내지 3대1인 것을 특징으로 하는 방법.The method according to claim 1, wherein the weight ratio of coprecipitate to leachate is 1: 1 to 3: 1. 공동침전물을 침출후 1시간반이내에 여과시키는 것을 특징으로 하는 앞의 청구범위의 어느하나에 따른 방법.The method according to any one of the preceding claims, wherein the co-precipitate is filtered within 1 hour and a half after leaching. 물유리를 우라늄을 포함하는 암모늄 플루오라이드 용액에 첨가하여 공동침전물을 형성시키는 것을 특징으로 하는 앞의 청구범위의 어느하나에 따른 방법.A method according to any one of the preceding claims, wherein water glass is added to an ammonium fluoride solution comprising uranium to form a co-precipitate. 여과물에서 첨가적 마지막 단계 우라늄을 DEPA-TOPO추출제로 추출시키는 것을 특징으로 하는 앞의 청구범위의 어느 하나에 따른 방법.The process according to any one of the preceding claims, characterized in that the additional last stage uranium is extracted in the filtrate with a DEPA-TOPO extractant. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019820002262A 1981-05-22 1982-05-22 How to recover uranium KR830010209A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26667681A 1981-05-22 1981-05-22
US266676 1981-05-22

Publications (1)

Publication Number Publication Date
KR830010209A true KR830010209A (en) 1983-12-26

Family

ID=23015553

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019820002262A KR830010209A (en) 1981-05-22 1982-05-22 How to recover uranium

Country Status (6)

Country Link
EP (1) EP0066988A3 (en)
JP (1) JPS57200225A (en)
KR (1) KR830010209A (en)
ES (1) ES8403975A1 (en)
YU (1) YU109182A (en)
ZA (1) ZA823094B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101047985B1 (en) * 2010-11-26 2011-07-13 한국지질자원연구원 High efficient uranium leaching method using ultrasonic wave

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2909197B2 (en) * 1989-12-20 1999-06-23 ウエスチングハウス・エレクトリック・コーポレーション Methods for recovering metals from metal-containing process waste streams
CN105969987B (en) * 2016-06-16 2018-01-09 南华大学 The leaching method of uranium in radioactivity alkaline residue

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394997A (en) * 1965-04-12 1968-07-30 Gen Electric Method of preparing uranium diuranate
JPS5327800A (en) * 1976-08-25 1978-03-15 Mitsubishi Metal Corp Uranium or/and thorium removingand recovering method from soln. containing uranium or/and thorium
JPS5924730B2 (en) * 1979-12-25 1984-06-12 三菱マテリアル株式会社 Method for removing and recovering uranium or/and thorium from a liquid containing uranium or/and thorium
JPS5924731B2 (en) * 1980-02-01 1984-06-12 三菱マテリアル株式会社 Method for removing and recovering uranium or/and thorium from a liquid containing uranium or/and thorium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101047985B1 (en) * 2010-11-26 2011-07-13 한국지질자원연구원 High efficient uranium leaching method using ultrasonic wave
US8470269B2 (en) 2010-11-26 2013-06-25 Korea Institute Of Geoscience And Mineral Resources Highly efficient uranium leaching method using ultrasound

Also Published As

Publication number Publication date
YU109182A (en) 1985-03-20
JPS57200225A (en) 1982-12-08
ZA823094B (en) 1983-06-29
ES512465A0 (en) 1984-04-01
EP0066988A2 (en) 1982-12-15
ES8403975A1 (en) 1984-04-01
EP0066988A3 (en) 1983-11-02

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