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(19)

(11)

2 475 455

(13)

(51)

IPC

C02F1/28(2006-01-01)

B01J20/04(2006-01-01)

C02F103/14(2006-01-01)

(21) (22)

Application

2011136456/05, 2011-09-01

(24)

Start date

2011-09-01

(22)

Actual filing date

2011-09-01

(45)

Published

2013-02-20

(72)

Inventor

Mal'Tseva Valentina StefanovnaSazonova Anna Vladimirovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Universitet"

METHOD OF SORPTION REMOVAL OF DYES FROM EFFLUENTS Russian patent published in 2013 - IPC C02F1/28 B01J20/04 C02F103/14

Abstract RU 2475455 C1

FIELD: process engineering.

SUBSTANCE: invention relates to treatment of sewage of textile and light industry plants, etc, and may be used for removal of industrial dyes. For this, carbonate rocks are used as sorbent with content of calcium carbonate of 41.95 - 49.50% ground to grain size of 0.06 - 2.0 mm. Time of phase contact in mixing makes 30-60 min.

EFFECT: expanded range of sorbents for removal of acid, cation and anthraquinone dyes to degree of 100%.

5 tbl, 4 ex

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RU 2 475 455 C1

Authors

Mal'Tseva Valentina Stefanovna

Sazonova Anna Vladimirovna

Dates

2013-02-20—Published

2011-09-01—Filed