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(19)

RU

(11)

2 608 862

(13)

C2

(51)

IPC

C22B60/02(2006-01-01)

C22B3/24(2006-01-01)

(21) (22)

Application

2013105789, 2013-02-12

(24)

Start date

2013-02-12

(22)

Actual filing date

2013-02-12

(45)

Published

2017-01-25

(72)

Inventor

Kotze Martha H.Yahorava Volha

(73)

Holder

Mintek

PROCESS OF EXTRACTING URANIUM IN "RESIN IN PULP" (RIP) CYCLES AT HIGH PH VALUES Russian patent published in 2017 - IPC C22B60/02 C22B3/24 

Abstract RU 2608862 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method of extracting uranium from silicon-containing pulp. Method comprises leaching silicon-containing pulp with sulphuric acid at pH < 2. Then pH of obtained pulp is increased to 3.5. Further, uranium is extracted using ion exchange methods.

EFFECT: obtaining more pure eluate for production of uranium.

1 cl, 3 dwg

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RU 2 608 862 C2

Authors

Kotze Martha H.

Yahorava Volha

Dates

2017-01-25—Published

2013-02-12—Filed

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