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2 350 671

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IPC

C22B34/14(2006-01-01)

C22B3/38(2006-01-01)

B01D11/00(2006-01-01)

(21) (22)

Application

2007130032/15, 2007-08-06

(24)

Start date

2007-08-06

(22)

Actual filing date

2007-08-06

(45)

Published

2009-03-27

(72)

Inventor

Lesnov Andrej Evgen'EvichKudrjashova Ol'Ga StanislavovnaDenisova Svetlana AleksandrovnaMokhnatkina Nadezhda Nikolaevna

(73)

Holder

Institut Tekhnicheskoj Khimii Ural'Skogo Otdelenija Rossijskoj Akademii Nauk Uro Ran)Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Permskij Gosudarstvennyj Universitet Vpo Pgu)

EXTRACTION SYSTEM FOR ZIRCONIUM IONS SEPARATION FROM AQUEOUS SOLUTIONS Russian patent published in 2009 - IPC C22B34/14 C22B3/38 B01D11/00

Abstract RU 2350671 C1

FIELD: chemistry.

SUBSTANCE: invention refers to extraction methods for metal ion extraction and concentration from aqueous solutions and can be used for zirconium separation from compound ion solutions with hydrogen chlorine acid. Invention rests on zirconium ion ability to be extracted in layer system water - ammonium sulphate - potassium bis-(alkylpolyoxyethylene) phosphate (oxyphos-B), [C_nH_2n+1+₁O(C₂H₄O)_m]POOK, where n=8-10, m=6 in ratio as follows, wt %: ammonium chloride - 10-15; oxyphos-B - 10-15; water - to 100.

EFFECT: possibility for quantitative zirconium ion separation from aqueous solutions thus avoiding application of expensive, fire-hazardous and toxic substances.

2 tbl, 1 dwg, 9 ex

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RU 2 350 671 C1

Authors

Lesnov Andrej Evgen'Evich

Kudrjashova Ol'Ga Stanislavovna

Denisova Svetlana Aleksandrovna

Mokhnatkina Nadezhda Nikolaevna

Dates

2009-03-27—Published

2007-08-06—Filed