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A. Barnet, R.A. Leask, A.C. Shaw and J. Bedard. Alum pretreatment of high-yield sulphite. In Fibre-Water Interactions in Paper-Making, Trans. of the VIth Fund. Res. Symp. Oxford, 1977, (Fundamental Research Committee, ed.), pp 179–186, FRC, Manchester, 2018.

Abstract

The sulphite operation in the Quebec North Shore Paper Company at Baie Comeau was converted to a high-yield sodium bisulphite pulping system in 1970. It consisted of a regular two-stage refining sequence with intermediate washing and a separate reject-refining arrangement.


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