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2 579 133

(13)

(51)

IPC

B01J20/30(2006-01-01)

C08J5/20(2006-01-01)

B01J20/26(2006-01-01)

(21) (22)

Application

2014137658/05, 2014-09-18

(24)

Start date

2014-09-18

(22)

Actual filing date

2014-09-18

(45)

Published

2016-03-27

(72)

Inventor

Dalnova Olga AleksandrovnaDalnova Julija SagitovnaBaranovskaja Vasilisa BorisovnaTertyshnyj Igor GrigorevichDontsova Galina AleksandrovnaKhusnutdinov Oleg Ramilevich

(73)

Holder

Aktsionernoe Obshchestvo Nauchno-Issledovatelskij I Proektnyj Institut Redkometallicheskoj Promyshlennosti

METHOD FOR PRODUCING SORBENT OF RARE-EARTH METALS Russian patent published in 2016 - IPC B01J20/30 C08J5/20 B01J20/26

Abstract RU 2579133 C1

FIELD: chemistry.

SUBSTANCE: invention relates to production of sorbents for extracting valuable components from aqueous media. Sorbent is obtained by sorption of sulphide ions on macroporous anionites polymerisation or polycondensation type containing group of quaternary ammonium base and/or primary and secondary amine groups, followed by condensation of sulphide-ions with a mixture of formaldehyde and aminoacetic acid in anionite pores.

EFFECT: invention provides efficient sorbent for extracting rare-earth metals from mineralised aqueous media.

1 cl, 1 tbl, 5 ex

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RU 2 579 133 C1

Authors

Dalnova Olga Aleksandrovna

Dalnova Julija Sagitovna

Baranovskaja Vasilisa Borisovna

Tertyshnyj Igor Grigorevich

Dontsova Galina Aleksandrovna

Khusnutdinov Oleg Ramilevich

Dates

2016-03-27—Published

2014-09-18—Filed