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2 648 437

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(51)

IPC

C08L33/26(2006-01-01)

C08J3/03(2006-01-01)

B03D3/06(2006-01-01)

(21) (22)

Application

2016145974, 2016-11-23

(24)

Start date

2016-11-23

(22)

Actual filing date

2016-11-23

(45)

Published

2018-03-26

(72)

Inventor

Shevchenko Tatyana ViktorovnaUstinova Yuliya VladislavovnaDubinina Irina Evgenevna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Universitet"

MODIFIED FLOCCULANT ON THE BASIS OF POLYACRYLAMIDE Russian patent published in 2018 - IPC C08L33/26 C08J3/03 B03D3/06

Abstract RU 2648437 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a process for the production of modified polyacrylamide based (PAA) based flocculants that are successfully used for the flocculation of suspensions in various industries: chemical, coke chemical, pulp and paper, petrochemical and mining, in municipal services and water supply, etc., due to their low cost, low toxicity, high enough efficiency, in many flocculation processes.

EFFECT: method for the preparation of modified polyacrylamide based flocculants is described in which an aqueous solution of polyacrylamide is prepared with the addition of a mixture of propylegolic and urea modifiers.

1 cl, 3 ex, 1 tbl

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RU 2 648 437 C1

Authors

Shevchenko Tatyana Viktorovna

Ustinova Yuliya Vladislavovna

Dubinina Irina Evgenevna

Dates

2018-03-26—Published

2016-11-23—Filed