Bond stabilization of silicate bonded sands

Details Bond stabilization of silicate bonded sands Bond stabilization of silicate bonded sands

B - Operations, Transporting

22

C

22/158

B22C 1/18 (2006.01)

Patent

CA 1191016

- 19 - ABSTRACT OF THE DISCLOSURE A method is disclosed of making bonded sand masses which retain strength under prolonged high humidity conditions. A body of sand, mixed with an alkaline metal silicate solution, is substantially dehydrated to provide a strengthened rigidized sand body bonded by water glass. The dehydrated body is exposed to humid reactive gas to convert the water glass to polysilicic acid glass.

396904

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