ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Displacement of Black Liquor from Pulp Fibre Bed

F. Potůček and M. Marhanová

Department of Wood, Pulp, and Paper, Faculty of Chemical Technology, University of Pardubice, CZ-532 10 Pardubice

 

Abstract: Using distilled water and/or aqueous polyacrylamide solutions, the mechanism of the displacement washing of unbleached kraft pulp was investigated. The step change technique has been employed in the investigation of displacement of black liquor. To characterize the displacement of black liquor, the washing curves as well as wash yield at the wash liquor ratio equal to unity were determined. The results obtained for pure wash water were compared with those for polyacrylamide solutions.

Full paper in Portable Document Format: 544a221.pdf

 

Chemical Papers 54 (4) 221–225 (2000)

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