RU98118285A - METHOD FOR REMOVING TUNGSTEN (VI) FROM AQUEOUS SOLUTION - Google Patents

METHOD FOR REMOVING TUNGSTEN (VI) FROM AQUEOUS SOLUTION

Info

Publication number
RU98118285A
RU98118285A RU98118285/02A RU98118285A RU98118285A RU 98118285 A RU98118285 A RU 98118285A RU 98118285/02 A RU98118285/02 A RU 98118285/02A RU 98118285 A RU98118285 A RU 98118285A RU 98118285 A RU98118285 A RU 98118285A
Authority
RU
Russia
Prior art keywords
clay
aqueous solution
solution
tungsten
removing tungsten
Prior art date
Application number
RU98118285/02A
Other languages
Russian (ru)
Other versions
RU2176677C2 (en
Inventor
Л.А. Воропанова
Original Assignee
Л.А. Воропанова
Filing date
Publication date
Application filed by Л.А. Воропанова filed Critical Л.А. Воропанова
Priority to RU98118285/02A priority Critical patent/RU2176677C2/en
Priority claimed from RU98118285/02A external-priority patent/RU2176677C2/en
Publication of RU98118285A publication Critical patent/RU98118285A/en
Application granted granted Critical
Publication of RU2176677C2 publication Critical patent/RU2176677C2/en

Links

Claims (1)

Способ извлечения ионов вольфрама (VI) из водного раствора, включающий нейтрализацию раствора до оптимальных значений рН до и после введения бентонитовой глины в исходный раствор при концентрации глины в растворе не более 5 г/дм3, отличающийся тем, что извлечение вольфрама (VI) глиной осуществляют при рН<7 при минимальном контакте глины с раствором, причем в присутствии нитратов и хлоридов при оптимальных значениях рН дополнительно имеются интервалы времени максимального извлечения вольфрама (VI) глиной из водного раствора.A method of extracting tungsten (VI) ions from an aqueous solution, comprising neutralizing the solution to optimal pH values before and after introducing bentonite clay into the initial solution at a clay concentration in the solution of not more than 5 g / dm 3 , characterized in that the extraction of tungsten (VI) clay carried out at pH <7 with minimal contact of the clay with the solution, and in the presence of nitrates and chlorides at optimal pH values, there are additional time intervals for the maximum extraction of tungsten (VI) clay from the aqueous solution.
RU98118285/02A 1998-10-06 1998-10-06 Method of extraction of tungsten (vi) from aqueous solution RU2176677C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98118285/02A RU2176677C2 (en) 1998-10-06 1998-10-06 Method of extraction of tungsten (vi) from aqueous solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98118285/02A RU2176677C2 (en) 1998-10-06 1998-10-06 Method of extraction of tungsten (vi) from aqueous solution

Publications (2)

Publication Number Publication Date
RU98118285A true RU98118285A (en) 2000-06-27
RU2176677C2 RU2176677C2 (en) 2001-12-10

Family

ID=20211049

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98118285/02A RU2176677C2 (en) 1998-10-06 1998-10-06 Method of extraction of tungsten (vi) from aqueous solution

Country Status (1)

Country Link
RU (1) RU2176677C2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CL2009000939A1 (en) * 2008-04-30 2010-10-01 Evonik Degussa Gmbh Process to recover molybdate or tungstate from an aqueous solution that comprises a) contacting the solution with a cationized and water-insoluble inorganic carrier material, b) separating the carrier material from molybdate or tungstate, c) contacting it with an aqueous solution with a pH between 6 to 14 and d) separate the saturated material.
DE102010001001A1 (en) 2010-01-19 2011-07-21 Evonik Degussa GmbH, 45128 Process for delignification and bleaching of pulp
RU2506331C1 (en) * 2012-11-19 2014-02-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" Method for obtaining ammonium tungstate
PT3066257T (en) 2013-11-06 2019-06-04 Evonik Degussa Gmbh Method for delignifying and bleaching pulp
RU2633677C1 (en) * 2016-10-11 2017-10-16 Акционерное общество "Закаменск" Method for processing solutions after carbonate processing of tungsten ores

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