Method of recycling mixed colored cullet into amber, green, or flint glass

CAFC
  • US 5,718,737 A
  • Filed: 07/18/1996
  • Issued: 02/17/1998
  • Est. Priority Date: 03/03/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of creating recycled glass products, comprising the steps of:

  • obtaining unsorted mixed color glass cullet having glass of at least two different colors;

    adding to said mixed color glass cullet at least one of a decolorizing agent which selectively decolorizes at least one of the colors of said unsorted mixed color glass cullet and a colorizing agent which enhances a remaining color of said unsorted mixed color glass cullet; and

    melting the mixed color glass cullet and any agent added in said adding step to a molten state;

    creating a recycled glass product of said remaining color from the selectively colorized/decolorized molten mixed color glass cullet.

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