Paper making and fiber liberation – Processes and products – Reclamation – salvage or reuse of materials
Patent
1997-10-14
1999-03-30
Silverman, Stanley S.
Paper making and fiber liberation
Processes and products
Reclamation, salvage or reuse of materials
162 78, 162189, D21F 166, D21C 502
Patent
active
058883509
ABSTRACT:
Repulping and/or decolorizing formulations and mixtures which include a catalytic amount of a salt of a metal such as copper, iron, silver, or nickel; a persulfate; and from 0-10% saccharide. Formulations containing a carbonate, sesquicarbonate or bicarbonate for adjusting pH are preferred. A method of repulping and/or decolorizing broke, whether containing wet strength resin or not, using the formulations or mixtures of the ingredients in the formulations.
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Thorp Dean S.
Tieckelmann Robert H.
Baker Patrick C.
Cupoli Anthony L.
FMC Corporation
Monroe Bruce M.
Nguyen Dean T.
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