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2 605 255

(13)

(51)

IPC

B01J20/30(2006-01-01)

B01J20/26(2006-01-01)

B01J45/00(2006-01-01)

(21) (22)

Application

2015141799/05, 2016-01-22

(24)

Start date

2016-01-22

(22)

Actual filing date

2016-01-22

(45)

Published

2016-12-20

(72)

Inventor

Baranovskaja Vasilisa BorisovnaDalnova Julija SagitovnaDalnova Olga AleksandrovnaFilatova Darja GennadevnaKhusnutdinov Oleg Ramilevich

(73)

Holder

Aktsionernoe Obshchestvo Nauchno-Issledovatelskij I Proektnyj Institut Redkometallicheskoj Promyshlennosti

METHOD OF PRODUCING RUTHENIUM SORBENT Russian patent published in 2016 - IPC B01J20/30 B01J20/26 B01J45/00

Abstract RU 2605255 C1

FIELD: technological processes.

SUBSTANCE: invention relates to production of sorbents for extracting metal ions from aqueous media. Disclosed is a method of producing a ruthenium sorbent, comprising performing a process of sorption of sulphide ions on granular macroporous anionite, followed by condensation of sorbed sulphide-ions with formaldehyde. At condensation step, thiourea is added with molar ratio of thiourea to formaldehyde of not less than 1:3.

EFFECT: invention provides high degree of extraction of ruthenium in dynamic conditions of sorption.

1 cl, 8 ex

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RU 2 605 255 C1

Authors

Baranovskaja Vasilisa Borisovna

Dalnova Julija Sagitovna

Dalnova Olga Aleksandrovna

Filatova Darja Gennadevna

Khusnutdinov Oleg Ramilevich

Dates

2016-12-20—Published

2016-01-22—Filed