D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
92/52
D21F 7/06 (2006.01) D21D 5/02 (2006.01)
Patent
CA 1313966
SUMMARY The invention relates to production of pulp from fiber containing raw material such as different species of wood or other plants whereby in a continuous production process during transition from one raw material to another a not wanted mixed pulp is produced. By fractionating the mixed pulp by means of a suitable device responsive to the fiber properties, the fractions can be returned to each pulp type which normally is produced from the entering raw materials, whereby both technical and economical advantages are obtained.
563212
Fetherstonhaugh & Co.
Kvaerner Pulping Aktiebolag
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