KR840008143A - 우라늄 회수공정 - Google Patents

우라늄 회수공정 Download PDF

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Publication number
KR840008143A
KR840008143A KR1019840001143A KR840001143A KR840008143A KR 840008143 A KR840008143 A KR 840008143A KR 1019840001143 A KR1019840001143 A KR 1019840001143A KR 840001143 A KR840001143 A KR 840001143A KR 840008143 A KR840008143 A KR 840008143A
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KR
South Korea
Prior art keywords
uranium
liquid separation
recovery process
final solid
process according
Prior art date
Application number
KR1019840001143A
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English (en)
Inventor
플로리앙씨 앙뜨완느
Original Assignee
미쉘 고쉬랑
위라니움 빼쉬니
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.)
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Application filed by 미쉘 고쉬랑, 위라니움 빼쉬니 filed Critical 미쉘 고쉬랑
Publication of KR840008143A publication Critical patent/KR840008143A/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
    • 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
    • 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
    • C22B60/0278—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries by chemical methods
    • C22B60/0282—Solutions containing P ions, e.g. treatment of solutions resulting from the leaching of phosphate ores or recovery of uranium from wet-process phosphoric acid

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  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

내용 없음.

Description

우라늄 회수공정
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
본 발명에 따른 장치의 약도.

Claims (10)

  1. 현탁액내에 존재하는 고체물질의 제거후 적당한 용매를 사용함으로서 습식공정으로 산 되는 인산에 존재하는 우라늄을 회수하는 공정에 있어서, 환원된 우라늄 추출공정도중의 드로스 형식을 막기 위하여 인산의 생성시 산출되는 집섬이 첨가된, 최종고체-액체분리단계시 고체물질을 제거하는 단계가 진행되는 특징으로하는 우라늄 회수공정.
  2. 제1항에 있어서, 최종고체-액체 분리공정이 최소한 2mm, 양호하게는 5-500mm 두께의 집섬인 여과매체를 통하여 여과되는 것이 특징인 우라늄 회수공정.
  3. 제1과 2항에 있어서, 최종고체-액체 분리공정이 5-100kg/㎥의 집섬존재하에 처리되어질 산을 침착시킴으로 진행되는 것을 특징으로 하는 우라늄 회수공정.
  4. 제1-3항의 어느 한항에 있어서, 최종고체-액체분리 공정이 침착과 여과의 계단식 조합으로 행하여지는 것을 특징으로 하는 우라늄 회수공정.
  5. 제1항과 2항에 있어서, 처리되어질산의 최소한 50 양호하게는 100-5000g/㎥의 비율로 최중 고체-액체분리 공정을 거치는 인산에 집성을 유입시키는 것을 특징으로 하는 분리공정.
  6. 제1항에서 5제항까지의 어느한항에 있어서, 최종고체-액체분리공정이 공지된 응결제의 존재하에 수행되는 것을 특징으로 하는 우라늄 회수공정.
  7. 제1항에 6항까지의 어느한항에 있어서, 최종 고체-액체 분리공정에 사용되는 집섬이 인산침식공정으로 재순환되는 것을 특징으로 하는 우라늄 회수공정.
  8. 제1항에서 7항까지의 어느한항에 있어서, 우라늄 추출시약이 알킬라디칼이 C7-C13알콜홀에 대응하는 탄소사슬인 알킬피로포스포린산의 군으로부터 선택되는 것을 특징으로 하는 우라늄 회수공정.
  9. 제1항에서 8항까지의 어느 한항에 있어서, 우라늄 추출단계의 온도가 30℃-80℃, 양호하게는 30℃-60℃ 인 것을 특징으로 하는 우라늄 회수공정.
  10. 제1항에서 9항까지의 어느 한항에 있어서, 우라늄추출 시냑이 5-100g/ℓ, 양호하게는 20-50g/ℓ의 비율로 지방족 및/혹은 방향족 탄화수소에 용해되는 것을 특징으로하는 우라늄 회수공정.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840001143A 1983-03-08 1984-03-07 우라늄 회수공정 KR840008143A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8304099A FR2542302B1 (fr) 1983-03-08 1983-03-08 Procede ameliore de recuperation par solvant de l'uranium present dans l'acide phosphorique
FR8304099 1983-03-08

Publications (1)

Publication Number Publication Date
KR840008143A true KR840008143A (ko) 1984-12-13

Family

ID=9286809

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840001143A KR840008143A (ko) 1983-03-08 1984-03-07 우라늄 회수공정

Country Status (10)

Country Link
US (1) US4643882A (ko)
KR (1) KR840008143A (ko)
BE (1) BE899082A (ko)
BR (1) BR8401053A (ko)
FI (1) FI840895A (ko)
FR (1) FR2542302B1 (ko)
MA (1) MA20054A1 (ko)
NL (1) NL8400735A (ko)
OA (1) OA07672A (ko)
SE (1) SE8401230L (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4759913A (en) * 1987-04-15 1988-07-26 Freeport Research And Engineering Company Recovery of liquid phases from three phase emulsions formed in solvent extraction processes

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866680A (en) * 1955-03-02 1958-12-30 Ray S Long Alkyl pyrophosphate metal solvent extractants and process
US4207302A (en) * 1974-07-18 1980-06-10 Freeport Minerals Company Method of treating phosphoric acid to prevent crud formation during solvent extraction
JPS5144419A (ja) * 1974-10-14 1976-04-16 Matsushita Electric Ind Co Ltd Itomakihizumihoseisochi
US4190633A (en) * 1977-04-08 1980-02-26 Freeport Minerals Company Crud handling circuit
US4243637A (en) * 1977-10-11 1981-01-06 Occidental Petroleum Company Uranium recovery from pre-treated phosphoric acid
US4233278A (en) * 1978-03-24 1980-11-11 Davy Powergas Inc. Process for purifying crude phosphoric acid
US4250155A (en) * 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction
LU80676A1 (fr) * 1978-12-19 1980-07-21 Metallurgie Hoboken Procede pour enlever des agents salissants de l'acide phosphorique
US4311677A (en) * 1979-12-03 1982-01-19 Swiss Aluminium Ltd. Process for producing phosphoric acid
US4311675A (en) * 1980-01-23 1982-01-19 Westinghouse Electric Corp. Maintaining reductive strip efficiency in uranium recovery processes
NL8000832A (nl) * 1980-02-11 1981-09-01 Stamicarbon Werkwijze voor het winnen van uranium uit natproces fosforzuur.
IT1151105B (it) * 1981-02-23 1986-12-17 Central Glass Co Ltd Procedimento per recuperare uranio da acido fosforico con procrsso per via umida
US4490336A (en) * 1981-05-27 1984-12-25 Prodeco, Inc. Process for stripping uranium from an alkyl pyrophosphoric acid

Also Published As

Publication number Publication date
SE8401230L (sv) 1984-09-09
FR2542302B1 (fr) 1985-10-25
FI840895A0 (fi) 1984-03-06
MA20054A1 (fr) 1984-10-01
BR8401053A (pt) 1984-10-16
US4643882A (en) 1987-02-17
OA07672A (fr) 1985-05-23
FI840895A (fi) 1984-09-09
SE8401230D0 (sv) 1984-03-06
NL8400735A (nl) 1984-10-01
BE899082A (fr) 1984-09-06
FR2542302A1 (fr) 1984-09-14

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