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2 409 688

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IPC

C22B60/02(2006-01-01)

C22B34/34(2006-01-01)

C22B3/40(2006-01-01)

(21) (22)

Application

2009111733/02, 2009-03-30

(24)

Start date

2009-03-30

(22)

Actual filing date

2009-03-30

(45)

Published

2011-01-20

(72)

Inventor

Kuznetsov Viktor AleksandrovichAkimova Irina DanilovnaLuneva Ol'Ga Nikolaevna

(73)

Holder

Rossijskaja Federatsija, Ot Imeni Kotoroj Vystupaet Gosudarstvennyj Zakazchik-Gosudarstvennaja Korporatsija Po Atomnoj EhnergiiOtkrytoe Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij Institut Khimicheskoj Tekhnologii"

PROCEDURE FOR EXTRACTION OF URANIUM AND MOLYBDENUM FROM CARBONATE SALT URANIUM-MOLYBDENUM WATER SOLUTIONS Russian patent published in 2011 - IPC C22B60/02 C22B34/34 C22B3/40

Abstract RU 2409688 C2

FIELD: metallurgy.

SUBSTANCE: procedure consists in extracting uranium by means of liquid extraction of organic phase of synergy mixture on base of di(2-ethylhexyl)phosphorous acid containing tributylphosphate (TBP) or tributylphosphate together with trialkylamine (TAA) or heteroradical phosphynoxide of composition of oxide of isoamyldioktylphosphyne in organic thinner. Also, while mixing, there is performed simultaneous gradual neutralisation of mixture of phases with mineral acid till there are established balanced values of pH of water phase in interval 5.6-6.6.

EFFECT: increased efficiency of extraction of uranium and molybdenum from carbonate solutions.

3 dwg, 3 tbl, 3 ex

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RU 2 409 688 C2

Authors

Kuznetsov Viktor Aleksandrovich

Akimova Irina Danilovna

Luneva Ol'Ga Nikolaevna

Dates

2011-01-20—Published

2009-03-30—Filed