Automated process for recycling batches of mixed color cullet into amber, green, or flint glass with selected properties
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United States of America Patent
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Jul 13, 2004
Issued Date -
N/A
app pub date -
Dec 7, 1999
filing date -
Apr 9, 1998
priority date (Note) -
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Abstract
An automated method for recycling mixed colored cullet glass (i.e., broken pieces of glass of mixed colors and types) into new glass products. A computer controlled process identifies the virgin glass raw materials, the desired target glass properties, the composition of a batch of mixed colored cullet, and the quantity of cullet to be used in the glass melt, and the computer controlled process automatically determines the proper amounts of raw materials to add to the batch of mixed colored cullet so that recycled glass is produced having the desired coloring oxides, redox agents, and glass structural oxides in the proper proportion. The recycled glass is then used to make glass products such as beer bottles.
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