Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With testing – sampling or analyzing
Patent
1979-10-05
1982-11-30
Smith, William F.
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With testing, sampling or analyzing
162 59, D21B 100
Patent
active
043614647
ABSTRACT:
A method and apparatus for liberating the latent properties of a mechanical pulp is disclosed. The method is a laboratory technique for sample preparation for further pulp testing. "Latency" is released by recirculating pulp from a pool thereof through a centrifugal pump at a rate of at least four times per minute for the period required to release all the latent properties of the pulp sample ("Latency"). This depending on the rate of circulation may be completed in as little as one minute.
REFERENCES:
Beath et al. Pulp & Paper Magazine of Canada Oct. 1966, p. T-432 thru T-430.
Brochure of D. J. Murray Manufacturing Co., 1948, "Murray Pulp Stock Agitator".
Domtar Inc.
Smith William F.
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