RU96110321A - METHOD OF CHROMIUM III EXTRACTION FROM AQUEOUS SOLUTIONS - Google Patents

METHOD OF CHROMIUM III EXTRACTION FROM AQUEOUS SOLUTIONS

Info

Publication number
RU96110321A
RU96110321A RU96110321/02A RU96110321A RU96110321A RU 96110321 A RU96110321 A RU 96110321A RU 96110321/02 A RU96110321/02 A RU 96110321/02A RU 96110321 A RU96110321 A RU 96110321A RU 96110321 A RU96110321 A RU 96110321A
Authority
RU
Russia
Prior art keywords
extraction
aqueous solutions
chromium iii
iii extraction
extractant
Prior art date
Application number
RU96110321/02A
Other languages
Russian (ru)
Other versions
RU2100465C1 (en
Inventor
Л.А. Воропанова
Л.Н. Величко
Ф.В. Амбалова
М.Р. Хугаева
Original Assignee
Л.А. Воропанова
Filing date
Publication date
Application filed by Л.А. Воропанова filed Critical Л.А. Воропанова
Priority to RU9696110321A priority Critical patent/RU2100465C1/en
Priority claimed from RU9696110321A external-priority patent/RU2100465C1/en
Application granted granted Critical
Publication of RU2100465C1 publication Critical patent/RU2100465C1/en
Publication of RU96110321A publication Critical patent/RU96110321A/en

Links

Claims (1)

Способ экстракции хрома III из водного раствора, включающий контакт экстрагента и раствора при рН 4 - 8, перемешивание смеси, отстаивание и разделение фаз, отличающийся тем, что в качестве экстрагента используют техническую смазку, в своем составе имеющую инертный разбавитель, при следующем соотношении компонентов, мас.%:
Олеиновая кислота - 10 - 12
Триэтаноламин - 4,5 - 6,0
Машинное масло (инертный разбавитель) - Остальное
а экстракцию осуществляют при регулировании рН в течение 1 - 2 ч и/или при кипячении в течение 1 - 5 мин с последующим регулированием рН до заданного значения.The method of extraction of chromium III from an aqueous solution, including the contact of the extractant and the solution at pH 4-8, mixing the mixture, settling and separation of the phases, characterized in that a technical lubricant containing inert diluent is used as an extractant, in the following ratio of components, wt.%:
Oleic acid - 10 - 12
Triethanolamine - 4.5 - 6.0
Lube oil (inert diluent) - Else
and the extraction is carried out by adjusting the pH for 1 to 2 hours and / or boiling for 1 to 5 minutes, followed by adjusting the pH to a predetermined value.
RU9696110321A 1996-05-22 1996-05-22 Method for extracting chromium (iii) from aqueous solutions RU2100465C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU9696110321A RU2100465C1 (en) 1996-05-22 1996-05-22 Method for extracting chromium (iii) from aqueous solutions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU9696110321A RU2100465C1 (en) 1996-05-22 1996-05-22 Method for extracting chromium (iii) from aqueous solutions

Publications (2)

Publication Number Publication Date
RU2100465C1 RU2100465C1 (en) 1997-12-27
RU96110321A true RU96110321A (en) 1998-04-10

Family

ID=20180941

Family Applications (1)

Application Number Title Priority Date Filing Date
RU9696110321A RU2100465C1 (en) 1996-05-22 1996-05-22 Method for extracting chromium (iii) from aqueous solutions

Country Status (1)

Country Link
RU (1) RU2100465C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2602862C1 (en) * 2015-05-05 2016-11-20 Акционерное общество "Калужский научно-исследовательский институт телемеханических устройств" Method for reduction of chromium(+6) in spent solutions
RU2604286C1 (en) * 2015-07-08 2016-12-10 Лидия Алексеевна Воропанова Method of purifying nickel electrolyte from impurities of iron (iii) and copper (ii) by extraction with mixture of oleic acid and triethanolamine

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