D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
92/52
D21D 5/00 (2006.01) D21D 5/28 (2006.01)
Patent
CA 1054416
ABSTRACT OF THE DISCLOSURE A method and apparatus for liberating the latent properties of a mechanical pulp is disclosed. The method may be used either as a laboratory technique for sample pre- paration for further pulp testing or for treatment of pulp in a mill after refining and before further processing. "Latency" is released by recirculating pulp from a pool thereof through a centrifugal pump at a rate of at least twice a minute for the period required to release at least 70% of the latent properties of the pulps ("Latency"). This requires at least one minute and up to 10 minutes depending on the rate of circulation on of the pulp.
263615
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