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2 607 215

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IPC

B01J20/26(2006-01-01)

B01J45/00(2006-01-01)

C01F17/00(2006-01-01)

(21) (22)

Application

2015145868, 2015-10-27

(24)

Start date

2015-10-27

(22)

Actual filing date

2015-10-27

(45)

Published

2017-01-10

(72)

Inventor

Grachek Valentina IvanovnaSokolova Yuliya VasilevnaPirozhenko Kirill YurevichPolikarpov Aleksandr Petrovich

(73)

Holder

Federalnoe Gosudarstvennoe Avtonomnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Issledovatelskij Tekhnologicheskij UniversitetGosudarstvennoe Nauchnoe Uchrezhdenie Fiziko-Organicheskoj Khimii Natsionalnoj Akademii Nauk Belarusi"

METHOD OF PRODUCING FIBROUS SORBENT FOR EXTRACTING SCANDIUM Russian patent published in 2017 - IPC B01J20/26 B01J45/00 C01F17/00

Abstract RU 2607215 C1

FIELD: chemistry.

SUBSTANCE: invention relates to production of ion-exchange materials and sorbents. Disclosed is a method of producing fibrous ionite for extraction of scandium, including amination of polyacrylonitrile fibre with 35–40 % solution of ethyleneamine at a temperature of 90–100 °C, and phosphorylation of aminated fibre with phosphorous acid in an acidic medium in presence of formalin at temperature of 90–100 °C for 4.5–5 hours.

EFFECT: invention simplifies technology of synthesis and increases selectivity of material to scandium ions.

1 cl, 4 tbl, 17 ex

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RU 2 607 215 C1

Authors

Grachek Valentina Ivanovna

Sokolova Yuliya Vasilevna

Pirozhenko Kirill Yurevich

Polikarpov Aleksandr Petrovich

Dates

2017-01-10—Published

2015-10-27—Filed