IMPROVED FILTRATION TECHNIQUE

专利名称：IMPROVED FILTRATION TECHNIQUE发明人：FYSON, John Richard,GLOVER, Martyn

Stuart,HENSON, David McDonald

申请号：EP91915505.0申请日：19910905公开号：EP0550470A1公开日：19930714

摘要： A process for separating a precipitate of a treated effluent or not

photographic development, which method comprises adding a bulky inert powder priorto filtering or sedimentation. The inert powder may be diatomaceous earth such askieselguhr, aluminum hydroxide or wet sawdust. One can reduce the separation time andthe pressure necessary for rapid filtering and accelerate the sedimentation of the solidphase.

申请人：KODAK LIMITED,EASTMAN KODAK COMPANY

地址：Headstone Drive Harrow, Middlesex HA1 4TY GB,343 State Street Rochester,New York 14650-2201 US

国籍：GB,US

代理机构：Haile, Helen Cynthia, et al

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