Process for treating zircon-containing foundry sand

Details Process for treating zircon-containing foundry sand Process for treating zircon-containing foundry sand

B - Operations, Transporting

22

C

22/190, 117/46.1

B22C 1/00 (2006.01) B22C 1/18 (2006.01)

Patent

CA 1101632

E.I. du Pont de Nemours & Company (Bushey, William Raymond) ABSTRACT Process for treating zircon-containing foundry sand by intimately contacting the sand with an aqueous solu- tion of an alkali metal silicate and isolating the sand from the solution. The treated sand is useful as the sand compo- nent of resin molds and cores.

290428

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