CPC C03B 5/2353 (2013.01) [C03B 3/00 (2013.01); C03C 1/026 (2013.01)] | 24 Claims |
1. A process for manufacturing glass comprising:
preparing a glass precursor mixture for a glassmaking furnace, in which water, sand and sodium carbonate are mixed in mass proportions of between more than 0 and 5%, 40% and 65%, and more than 0 and not more than 25%, respectively, and,
adding, after a delay of at least 10 minutes, calcium oxide in a mass proportion of between 1% and 20% of the total,
wherein the glass precursor mixture is prepared and the calcium oxide is added without supplying thermal energy.
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