C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
49/63
C03B 1/00 (2006.01) C03B 1/02 (2006.01) C03C 1/02 (2006.01)
Patent
CA 1050272
GLASSMAKING COMPOSITIONS, AND METHOD AND APPARATUS FOR MAKING THE SAME ABSTRACT OF THE DISCLOSURE A method and an apparatus are described whereby a product is obtained which comprises particles containing agglomerated therein granules of sand, and optionally also of other glassmaking constituents, at least partially coated with and joined together by alkali metal metasilicate. The raw granules are fluidized in a bed of gas and homogeneously treated from within the bed with an aqueous solution of alkali metal hydroxide. The fluidized bed is mechanically agitated at the level of injection of the aqueous solution. The product has improved handling characteristics, having both low hygroscopicity and low friability.
204959
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