Persulfate/metal mixtures for repulping and/or decolorizing pape

Details Persulfate/metal mixtures for repulping and/or decolorizing pape Persulfate/metal mixtures for repulping and/or decolorizing pape

1995-06-07

1998-11-03

Anthony, Joseph D.

Compositions

Oxidative bleachant, oxidant containing, or generative

Composition containing a stabilizer or a product in the form...

25218643, 162 7, 162 8, 162 78, 162 79, 423513, C01B 1506, D21C 502, D21C 300

Patent

active

058303820

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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