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2 741 002

(13)

(51)

IPC

B01J20/26(2006-01-01)

B01D15/00(2006-01-01)

B01J20/28(2006-01-01)

B01J20/34(2006-01-01)

(21) (22)

Application

2020113514, 2020-04-15

(24)

Start date

2020-04-15

(22)

Actual filing date

2020-04-15

(45)

Published

2021-01-22

(72)

Inventor

Malakhova Irina AleksandrovnaPrivar Iuliia OlegovnaAzarova Iuliia AleksandrovnaBratskaia Svetlana Iurevna

(73)

Holder

Federalnoe Gosudarstvennoe Biudzhetnoe Uchrezhdenie Nauki Institut Khimii Dalnevostochnogo Otdeleniia Rossiiskoi Akademii Nauk

MONOLITHIC SORPTION MATERIALS BASED ON POLYETHYLENEIMINE FOR EXTRACTION OF IONS OF HEAVY METALS AND ORGANIC POLLUTANTS Russian patent published in 2021 - IPC B01J20/26 B01D15/00 B01J20/28 B01J20/34

Abstract RU 2741002 C1

FIELD: chemistry.

SUBSTANCE: invention relates to production of efficient polymer sorption materials. Disclosed is a sorption monolithic regenerable cryogel based on polyethyleneimine, which is obtained by cross-linking molecules of polyethyleneimine diglycidyl ethers of glycols at negative temperatures, followed by thawing and washing from unreacted reagents. Polyethylene imine cryogels produced directly in the sorption column are used as monolithic sorbents for extracting ions of metals and organic substances from water in a dynamic mode.

EFFECT: technical result is disclosed monolithic cryogel cross-linked with nontoxic commercially available cross-linking agents, easy to use and effective for purifying water from contaminants in dynamic sorption mode.

4 cl, 1 tbl, 8 ex, 4 dwg

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RU 2 741 002 C1

Authors

Malakhova Irina Aleksandrovna

Privar Iuliia Olegovna

Azarova Iuliia Aleksandrovna

Bratskaia Svetlana Iurevna

Dates

2021-01-22—Published

2020-04-15—Filed