EP0066988A3 - Verfahren zur Gewinnung von Uran - Google Patents

Verfahren zur Gewinnung von Uran Download PDF

Info

Publication number
EP0066988A3
EP0066988A3 EP82302566A EP82302566A EP0066988A3 EP 0066988 A3 EP0066988 A3 EP 0066988A3 EP 82302566 A EP82302566 A EP 82302566A EP 82302566 A EP82302566 A EP 82302566A EP 0066988 A3 EP0066988 A3 EP 0066988A3
Authority
EP
European Patent Office
Prior art keywords
uranium
coprecipitate
leachate
silicate
filtrate
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.)
Withdrawn
Application number
EP82302566A
Other languages
English (en)
French (fr)
Other versions
EP0066988A2 (de
Inventor
Edward Jean Lahoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of EP0066988A2 publication Critical patent/EP0066988A2/de
Publication of EP0066988A3 publication Critical patent/EP0066988A3/de
Withdrawn legal-status Critical Current

Links

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
    • 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
    • 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

Landscapes

  • 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)
EP82302566A 1981-05-22 1982-05-20 Verfahren zur Gewinnung von Uran Withdrawn EP0066988A3 (de)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
EP0066988A2 EP0066988A2 (de) 1982-12-15
EP0066988A3 true EP0066988A3 (de) 1983-11-02

Family

ID=23015553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82302566A Withdrawn EP0066988A3 (de) 1981-05-22 1982-05-20 Verfahren zur Gewinnung von Uran

Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2909197B2 (ja) * 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 金属含有プロセス廃棄物流から金属を回収する方法
KR101047985B1 (ko) * 2010-11-26 2011-07-13 한국지질자원연구원 초음파를 이용한 고효율 우라늄 침출 방법
CN105969987B (zh) * 2016-06-16 2018-01-09 南华大学 放射性碱渣中铀的浸出方法

Citations (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
JPS5692123A (en) * 1979-12-25 1981-07-25 Mitsubishi Metal Corp Removing and recovering method for uranium and/or thorium from solution containing uranium and/or thorium
JPS56109825A (en) * 1980-02-01 1981-08-31 Mitsubishi Metal Corp Removing and recovering method for uranium and/or thorium from liquor containing uranium and/or thorium

Patent Citations (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
JPS5692123A (en) * 1979-12-25 1981-07-25 Mitsubishi Metal Corp Removing and recovering method for uranium and/or thorium from solution containing uranium and/or thorium
JPS56109825A (en) * 1980-02-01 1981-08-31 Mitsubishi Metal Corp Removing and recovering method for uranium and/or thorium from liquor containing uranium and/or thorium

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Patent Abstracts of Japan Vol. 2, no. 66, 19 May 1978 Page 1196M78 & JP-A-53-27800 *
Patent Abstracts of Japan Vol. 5, no. 160, 15 October 1981 & JP-A-56-92123 & US-A-4 349 513 (Cat. X,E) *
Patent Abstracts of Japan Vol. 5, no. 184, 21 November 1981 & JP-A-56-109825 & US-A-4 338 286 (Cat. X,E) *

Also Published As

Publication number Publication date
ES512465A0 (es) 1984-04-01
YU109182A (en) 1985-03-20
JPS57200225A (en) 1982-12-08
KR830010209A (ko) 1983-12-26
EP0066988A2 (de) 1982-12-15
ZA823094B (en) 1983-06-29
ES8403975A1 (es) 1984-04-01

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE CH DE FR GB IT LI SE

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): BE CH DE FR GB IT LI SE

KL Correction list

Free format text: 83/05 NEUDRUCK

17P Request for examination filed

Effective date: 19840308

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19851216

RIN1 Information on inventor provided before grant (corrected)

Inventor name: LAHODA, EDWARD JEAN