| 摘要 |
PROBLEM TO BE SOLVED: To provide a dynamic filter method for a suspension almost not leaking SS to filtered water at the initial time of filtering and capable of markedly prolonging a filtering duration time. SOLUTION: In the method for filtering the suspension such as a microorganism slurry or an inorganic particle slury by dynamic filtering, a polymeric flocculant is added to the suspension during a process for again forming a cake layer on the surface of a filter member during, before or after a peel process for the cake layer due to dynamic filtering to flocculate the suspension. After the flocculated cake layer is formed on the surface of the filter member, the addition of the polymeric flocculant is stopped or the injection ratio thereof is reduced. A dynamic filter apparatus for the suspension is also disclosed. COPYRIGHT: (C)2004,JPO
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