Process for treating paper pulp

Details Process for treating paper pulp Process for treating paper pulp

D - Textiles, Paper

21

C

D21C 9/02 (2006.01)

Patent

CA 2220769

Disclosed is a process for washing or otherwise treating paper pulp. More specifically, a multi-stage paper pulp washing process including the use of a defoamer/emulsifier mixture which is adjusted at a paper manufacturing site for each stage. The same defoamer may be used in each washing stage. However, solubility is adjusted at the paper manufacturing site by adding a small amount of emulsifier to the defoamer as appropriate for the particular stage.

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