| 摘要 |
<p>The present invention relates to a method of intensifying washing of pulp in various washing apparatuses. The method according to the invention is particularly well applicable in connection with a so-called DRUM DISPLACER® washer by a A. AHLSTROM CORPORATION but also in connection with some washing presses. The method of performing a displacement wash of pulp, which method comprises feeding of the pulp to a washing system having one or more stages, washing of the pulp in the system and removal of the pulp therefrom, and feeding of wash liquid to the system and removal of at least one filtrate from the system is characterized in that part FN;x of the filtrate FN from at least one actual washing stage N is returned together with the filtrate FN+1 or part of it obtained from the next washing stage N+1 to the same washing stage to serve as wash liquid WN.</p> |
