METHOD OF THERMAL STABILIZATION OF POLYSILICIC ACID Russian patent published in 1999 - IPC

Abstract RU 2134249 C1

FIELD: preparation of heat-resistant binding compositions, hydroinsulation of layers in oil and gas production, and construction. SUBSTANCE: polysilicic acid solution is heated by introducing live steam into solution volume with steam temperature of 110-130 and with solution temperature maintained at 85-98 C so as to increase total solution volume by 1.05-1.50 times. Solution is then concentrated by ultrafiltration. EFFECT: no formation of solid silica suspended in solution. 2 ex

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RU 2 134 249 C1

Authors

Busygin V.M.

Valeev R.G.

Gajsin L.G.

Galimov K.S.

Zakirov F.A.

Mochalov N.A.

Mukhametov I.Kh.

Poddubnyj Ju.A.

Sviridov S.I.

Tikhonova T.D.

Fedurin A.A.

Dates

1999-08-10Published

1998-05-29Filed