METHODS OF INCREASING SCRAP GLASS RECYCLING
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United States of America Patent
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Issued Date -
May 30, 2024
app pub date -
Nov 29, 2023
filing date -
Nov 29, 2022
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Abstract
Disclosed herein are methods of reusing at least a portion of the scrap glass generated in a cellular glass manufacturing process by introducing the scrap glass back into a cellular glass manufacturing process. The methods comprise changing the overall glass composition allowing for higher oxidizer content, which, in turn, allows for inclusion of more scrap material in the glass melt and the cellular glass production process. In particular, the glass composition in the melt is treated to increase the amount of an oxidizer (e.g., MnO2) to amounts above those that are used in conventional manufacturing processes, while also maintaining important physical properties in the ultimate cellular glass product.
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