ATE13318T1 - Behandlung von natrium-wolframat-laugenloesungen, die geloeste kieselsaeure-, phosphor- und fluorverunreinigungen enthalten. - Google Patents

Behandlung von natrium-wolframat-laugenloesungen, die geloeste kieselsaeure-, phosphor- und fluorverunreinigungen enthalten.

Info

Publication number
ATE13318T1
ATE13318T1 AT82300212T AT82300212T ATE13318T1 AT E13318 T1 ATE13318 T1 AT E13318T1 AT 82300212 T AT82300212 T AT 82300212T AT 82300212 T AT82300212 T AT 82300212T AT E13318 T1 ATE13318 T1 AT E13318T1
Authority
AT
Austria
Prior art keywords
liquor
phosphorus
impurities
fluorous
treatment
Prior art date
Application number
AT82300212T
Other languages
English (en)
Inventor
Paul B Queneau
Leo W Beckstead
Dale K Huggins
Original Assignee
Amax Inc
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 Amax Inc filed Critical Amax Inc
Application granted granted Critical
Publication of ATE13318T1 publication Critical patent/ATE13318T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G41/00—Compounds of tungsten

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
AT82300212T 1981-01-19 1982-01-15 Behandlung von natrium-wolframat-laugenloesungen, die geloeste kieselsaeure-, phosphor- und fluorverunreinigungen enthalten. ATE13318T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/225,907 US4311679A (en) 1981-01-19 1981-01-19 Treatment of sodium tungstate leach liquor containing dissolved silica, phosphorus, and fluorine impurities
EP82300212A EP0057524B1 (de) 1981-01-19 1982-01-15 Behandlung von Natrium-Wolframat-Laugenlösungen, die gelöste Kieselsäure-, Phosphor- und Fluorverunreinigungen enthalten

Publications (1)

Publication Number Publication Date
ATE13318T1 true ATE13318T1 (de) 1985-06-15

Family

ID=22846768

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82300212T ATE13318T1 (de) 1981-01-19 1982-01-15 Behandlung von natrium-wolframat-laugenloesungen, die geloeste kieselsaeure-, phosphor- und fluorverunreinigungen enthalten.

Country Status (6)

Country Link
US (1) US4311679A (de)
EP (1) EP0057524B1 (de)
JP (1) JPS57166316A (de)
AT (1) ATE13318T1 (de)
CA (1) CA1181240A (de)
DE (1) DE3263452D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4552729A (en) * 1984-12-07 1985-11-12 Gte Products Corporation Method for removing tin from sodium tungstate solution
US4560539A (en) * 1985-01-11 1985-12-24 Gte Products Corporation Removal of ammonia from sodium tungstate solutions
US6039789A (en) * 1998-03-27 2000-03-21 Barrick Gold Corporation Removal of boron and fluoride from water
US7520993B1 (en) * 2007-12-06 2009-04-21 Water & Power Technologies, Inc. Water treatment process for oilfield produced water
CN104973628A (zh) * 2015-06-30 2015-10-14 崇义章源钨业股份有限公司 净化钨酸钠溶液的方法
CN108179270A (zh) * 2017-12-18 2018-06-19 洛阳栾川钼业集团股份有限公司 一种降低钨酸钠溶液中硅含量的方法
MX2021009884A (es) * 2019-02-18 2021-12-10 Metso Outotec Finland Oy Metodo y disposicion de procedimiento para retirar compuestos a base de si a partir de un licor de lixiviacion y uso.
CN111349782B (zh) * 2020-04-15 2022-04-22 中核沽源铀业有限责任公司 一种提高复杂钼矿直接浸出矿浆过滤效率的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1399705A (en) * 1917-08-07 1921-12-06 John B Ekeley Process for obtaining pure tungstates
FR498402A (fr) * 1919-04-15 1920-01-10 John Bernard Ekeley Procédé pour l'obtention de tungstates purs
US2307466A (en) * 1939-09-06 1943-01-05 W H & L D Betz Magnesium oxide hot process for silica removal from water
US2893832A (en) * 1957-11-18 1959-07-07 Wah Chang Corp Purification of tungstates
SU456789A1 (ru) * 1973-03-15 1975-01-15 Нальчинский Гидрометаллургический Завод Способ очистки щелочных вольфрамомолибденовых растворов
US4092400A (en) * 1977-04-11 1978-05-30 Engelhard Minerals & Chemicals Corp. Process for recovering high purity tungsten compositions from wolframite ores
US4115513A (en) * 1977-08-16 1978-09-19 Westinghouse Electric Corp. Processing of ammonium paratungstate from tungsten ores

Also Published As

Publication number Publication date
EP0057524B1 (de) 1985-05-15
EP0057524A1 (de) 1982-08-11
US4311679A (en) 1982-01-19
JPS57166316A (en) 1982-10-13
CA1181240A (en) 1985-01-22
DE3263452D1 (en) 1985-06-20

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Legal Events

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UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee