Kraft overload recovery process

Details Kraft overload recovery process Kraft overload recovery process

D - Textiles, Paper

21

C

9/36

D21C 11/04 (2006.01)

Patent

CA 1172808

KRAFT OVERLOAD RECOVERY PROCESS ABSTRACT The present invention relates to a kraft overload recovery process for the treatment of kraft black liquor (b.l.) which comprises acidifying the b.1. with an acid comprising sulfuric acid, separating the lignin therefrom, and further treating the residual b.1. tor recovery of inorganics contained therein for use as a source of cooking chemical in kraft cooks.

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