ATE12621T1 - Verfahren zum entfernen von phosphorverunreinigungen aus dem gelben kuchen. - Google Patents

Verfahren zum entfernen von phosphorverunreinigungen aus dem gelben kuchen.

Info

Publication number
ATE12621T1
ATE12621T1 AT81890188T AT81890188T ATE12621T1 AT E12621 T1 ATE12621 T1 AT E12621T1 AT 81890188 T AT81890188 T AT 81890188T AT 81890188 T AT81890188 T AT 81890188T AT E12621 T1 ATE12621 T1 AT E12621T1
Authority
AT
Austria
Prior art keywords
phosphorus impurities
removing phosphorus
yellow cake
peroxide
impurities
Prior art date
Application number
AT81890188T
Other languages
English (en)
Inventor
Richard Alexander Brown
Donald Charles Winkley
Original Assignee
Fmc 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22781452&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE12621(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fmc Corp filed Critical Fmc Corp
Application granted granted Critical
Publication of ATE12621T1 publication Critical patent/ATE12621T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
    • C01B15/04—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof
    • C01B15/047—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of heavy metals
    • C01B15/0475—Metal peroxides or peroxyhydrates thereof; Metal superoxides; Metal ozonides; Peroxyhydrates thereof of heavy metals of actinides
    • 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
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Disintegrating Or Milling (AREA)
AT81890188T 1980-11-24 1981-11-13 Verfahren zum entfernen von phosphorverunreinigungen aus dem gelben kuchen. ATE12621T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/210,063 UST102906I4 (en) 1980-11-24 1980-11-24 Method of removing phosphorus impurities from yellowcake
EP81890188A EP0054014B1 (de) 1980-11-24 1981-11-13 Verfahren zum Entfernen von Phosphor-Verunreinigungen aus dem gelben Kuchen

Publications (1)

Publication Number Publication Date
ATE12621T1 true ATE12621T1 (de) 1985-04-15

Family

ID=22781452

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81890188T ATE12621T1 (de) 1980-11-24 1981-11-13 Verfahren zum entfernen von phosphorverunreinigungen aus dem gelben kuchen.

Country Status (9)

Country Link
US (1) UST102906I4 (de)
EP (1) EP0054014B1 (de)
JP (1) JPS5925728B2 (de)
AT (1) ATE12621T1 (de)
AU (1) AU542261B2 (de)
CA (1) CA1181242A (de)
DE (1) DE3169880D1 (de)
ES (1) ES8702502A1 (de)
ZA (1) ZA818165B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670945B1 (fr) * 1990-12-19 1994-03-25 Pechiney Uranium Procede de fabrication de pastilles combustibles nucleaires frittees a partir de solutions et comportant une precipitation a l'aide de peroxyde d'hydrogene en milieu acide.
CA2678393A1 (en) * 2007-02-23 2008-08-28 Adelaide Control Engineers Pty Ltd Process and apparatus for the drying of yellowcake
FR2969659B1 (fr) * 2010-12-24 2013-02-08 Comurhex Soc Pour La Conversion De L Uranium En Metal Et Hexafluorure Procede de conversion d'uo3 ou de u3o8 en uo4 hydrate.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB846861A (en) * 1944-11-30 1960-08-31 Atomic Energy Authority Uk Process of recovering uranium
US3156525A (en) * 1960-11-28 1964-11-10 Phillips Petroleum Co Purification of sodium diuranate
US4024215A (en) * 1975-04-24 1977-05-17 Fmc Corporation Production of uranium peroxide
US4247522A (en) * 1978-06-27 1981-01-27 Gardinier, Inc. Method of purifying uranium tetrafluoride hydrate and preparing uranium (VI) peroxide hydrate using a fluoride precipitating agent

Also Published As

Publication number Publication date
UST102906I4 (en) 1983-04-05
AU542261B2 (en) 1985-02-14
ES507366A0 (es) 1986-12-16
JPS57118033A (en) 1982-07-22
ES8702502A1 (es) 1986-12-16
EP0054014B1 (de) 1985-04-10
DE3169880D1 (en) 1985-05-15
EP0054014A1 (de) 1982-06-16
ZA818165B (en) 1983-01-26
AU7776581A (en) 1982-06-03
JPS5925728B2 (ja) 1984-06-20
CA1181242A (en) 1985-01-22

Similar Documents

Publication Publication Date Title
OA06937A (fr) Lixiviation à l'acide des minerais latéritiques de nickel.
FI874466A0 (fi) Foerbaettrat hybridisationsfoerfarande, vid foerfarandet anvaent redskap och reagensfoerpackning.
PH16050A (en) Gold recovery by sulfhydric-fatty acid flotation as applied to gold ores/cyanidation tailings
DE68918053D1 (de) Verfahren zum Entfärben von Schwefelsäure aus der Säureherstellung.
MA18654A1 (fr) Procede de recuperation de l'uranium present dans les solutions de l'acide phosphorique
ATE12621T1 (de) Verfahren zum entfernen von phosphorverunreinigungen aus dem gelben kuchen.
ATE104925T1 (de) Verfahren zum reinigen von flusssaeure.
PH16397A (en) Process for the selective removal of impurities present in sulfidic complex ores,mixed ores or concentrates
FR2556744B1 (fr) Procede pour la reextraction reductive du plutonium a partir d'une solution organique de retraitement, dans une solution aqueuse d'acide nitrique, avec utilisation d'un courant d'electrolyse
FR2560187B1 (fr) Procede de recuperation de l'acide methacrylique
ES8207590A1 (es) Procedimiento para purificar un solvente organico de extrac-cion en una operacion de recuperacion de uranio
US4430309A (en) Acid wash of second cycle solvent in the recovery of uranium from phosphate rock
ES8403978A1 (es) Un metodo de recuperacion de uranio del acido fosforico.
JPS5375196A (en) Removing method for heavy metals from phosphoric acid solution
FR2364180A1 (fr) Procede de recuperation d'uranium dans le procede de fabrication d'acide phosphorique par voie humide
KR830010209A (ko) 우라늄의 회수방법
MA18854A1 (fr) Perfectionnement au procede de recuperation de l'uranium d'un acide phosphorique inpur
DE59300422D1 (de) Verfahren zum Konzentrieren und Reinigen von Schwefelsäure.
YU308281A (en) Process for the recuperation of uranium in the form of peroxide from solutions yielded in the dissolving of the ore by means of sulfuric acid
DE3862212D1 (de) Pauling-kessel sowie verfahren zum aufkonzentrieren von schwefelsaeure.
JPS54106097A (en) Treating method for used zinc electrolytic solution
AU8470682A (en) Plant for the recovery of non-ferrous metals by sulphuric acid leaching
JPS5791715A (en) Washing method for polyester filter
Nagai et al. Removal of Arsenic From Spent Copper Electrolyte by Solvent Extraction With TBP
MA19045A1 (fr) Procede d'oxydation preliminaire dans le procede d'extraction de l'uranium a partir de l'acide phosphorique .

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
RZN Patent revoked