METHOD OF RECOVERING NICKEL FROM AQUEOUS SOLUTIONS Russian patent published in 2002 - IPC

Abstract RU 2186136 C1

FIELD: hydrometallurgy and waste water treatment. SUBSTANCE: method involves, as reagent, CYANEX 272, whose active component is di(2,4,4- trimethylpentyl)phosphinic acid, nickel is recovered by extraction at pH > 5, in particular at 6 ≤ pH <10, extraction pH being controlled for no longer than 1.5 h, whereas precipitation of nickel from aqueous solution with reagent is performed at pH ≥ 10. EFFECT: increased degree of nickel recovery within a wide pH range. 3 cl, 3 tbl

Similar patents RU2186136C1

Title	Year	Author	Number
METHOD OF RECOVERING COBALT FROM AQUEOUS SOLUTIONS	2001	Voropanova L.A. Krutskikh Ju.E. Titukhina V.N.	RU2186137C1
METHOD OF RECOVERING COPPER FROM AQUEOUS SOLUTIONS	2001	Voropanova L.A. Titukhina V.N. Krutskikh Ju.E.	RU2186135C1
METHOD FOR SELECTIVE EXTRACTION OF COPPER, COBALT, AND NICKEL IONS FROM AQUEOUS SOLUTIONS	2001	Voropanova L.A. Krutskikh Ju.E. Titukhina V.N.	RU2203969C2
METHOD OF PURIFYING NICKEL ELECTROLYTE FROM IMPURITIES OF IRON (III), COBALT (III) AND COPPER (II) BY EXTRACTION	2015	Voropanova Lidija Alekseevna Kisiev Nikolaj Tejmurazovich Gagieva Zalina Akimovna	RU2604289C1
METHOD OF EXTRACTION OF COBALT FROM AQUEOUS SOLUTIONS	2002	Voropanova L.A. Dudarnikova V.D.	RU2221882C1
METHOD OF EXTRACTING NICKEL FROM AQUEOUS SOLUTIONS	2002	Voropanova L.A. Kallagova O.V.	RU2219259C2
METHOD OF REMOVING IMPURITIES FROM COBALT AND NICKEL	1997	Voropanova L.A. Velichko L.N.	RU2114198C1
METHOD OF REMOVING IMPURITIES FROM PRECIOUS METALS	1998	Voropanova L.A.	RU2147618C1
METHOD OF EXTRACTION OF LEAD FROM AQUEOUS SOLUTIONS	1998	Voropanova L.A. Velichko L.N.	RU2134728C1
EXTRACTION METHOD OF GERMANIUM FROM SULFURIC SOLUTIONS	2008	Pashkov Gennadij Leonidovich Flejtlikh Isaak Jur'Evich Grigor'Eva Natal'Ja Anatol'Evna Nikiforova Lidija Konstantinovna	RU2378402C2

RU 2 186 136 C1

Authors

Voropanova L.A.

Titukhina V.N.

Krutskikh Ju.E.

Dates

2002-07-27—Published

2001-01-23—Filed