GLASS MELTING PROCESS WITH VERY LOW TO ZERO-CO2 EMISSION
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United States of America
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Issued Date -
Dec 26, 2024
app pub date -
Nov 30, 2022
filing date -
Nov 30, 2022
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Abstract
A process for melting vitrifiable materials to produce flat glass, including (i) providing a furnace having at least one melting tank with electrical heating means, a fining tank with oxy-combustion heating means, a neck separating melting tank and fining tank, an inlet located at the melting tank and an outlet located downstream of the fining tank; (ii) charging the vitrifiable materials including raw materials and cullet in the melting tank, the amount of cullet being at least 10% in weight of the total amount of vitrifiable materials; (iii) cullet pre-heating; (iv) melting the vitrifiable materials in the melting tank by heating with the electrical heating means; (v) fining melt in the fining tank by heating with the oxy-combustion heating means; (vi) flowing the melt from the fining tank to a working zone through the outlet; and (vii) capturing CO2 from flue gas.
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