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(19)

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2 411 192

(13)

(51)

IPC

C02F1/54(2006-01-01)

C02F11/14(2006-01-01)

B01D21/01(2006-01-01)

(21) (22)

Application

2008130529/05, 2008-07-23

(24)

Start date

2008-07-23

(22)

Actual filing date

2008-07-23

(45)

Published

2011-02-10

(72)

Inventor

Khovland Kejt K.Groff Todd V.Jork Monika A.Sandberg Charl'Z R.Lesar Majkl P.Rakutis Ruta O.

(73)

Holder

Neo Soljushnz, Ink.

METHOD OF REMOVING WATER FROM INORGANIC SUSPENSION CONCENTRATE AND INCREASING YIELD OF FILTERED MATERIAL Russian patent published in 2011 - IPC C02F1/54 C02F11/14 B01D21/01

Abstract RU 2411192 C2

FIELD: process engineering.

SUBSTANCE: invention relates to dewatering of aqueous inorganic suspension and aims at improving finished product quality. Proposed method comprises mixing inorganic aqueous suspension with effective amount of nonionic surfactant and effective amount of cationic polymer. Liquid water is removed from obtained inorganic aqueous suspension concentrate to dehydrate it. Invention covers also improved composition of inorganic suspension and better filtered material of inorganic concentrate.

EFFECT: reduced moisture content, higher yield.

47 cl, 5 tbl

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RU 2 411 192 C2

Authors

Khovland Kejt K.

Groff Todd V.

Jork Monika A.

Sandberg Charl'Z R.

Lesar Majkl P.

Rakutis Ruta O.

Dates

2011-02-10—Published

2008-07-23—Filed