Process for producing polysulphide by means of oxidizing...

Details Process for producing polysulphide by means of oxidizing... Process for producing polysulphide by means of oxidizing...

D - Textiles, Paper

21

C

D21C 11/04 (2006.01) D21C 11/00 (2006.01)

Patent

CA 2230572

The invention relates to a process for producing polysulphide by means of oxidizing sulphide in spent liquors from kraft cellulose cooking. The process is characterized in that green liquor is firstly enriched in sulphide and then oxidized.

L'invention se rapporte à un procédé qui concerne la fabrication de polysulfure par oxydation du sulfure contenu dans les liqueurs épuisées résultant de la cuisson de la cellulose de kraft. Ledit procédé est caractérisé en ce que la liqueur verte est enrichie en sulfure avant d'être oxydée.

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