| 摘要 |
A method of treating a fiber suspension in a disc-type pulp treatment apparatus, wherein the apparatus includes a pressure-proof casing with an inlet for the fiber suspension and a discharge for treated suspension and filtrate, a shaft rotating inside the casing an a plurality of discs arranged on the shaft, and wherein the discs are formed of sectors having filter surfaces between which surfaces is a liquid compartment communicating with the liquid discharge. The method includes feeding the fiber suspension to be treated overpressurized into the casing, filling the casing up with the fiber suspension, carrying out the treatment in a closed airless space and discharging the pulp from the casing.
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