| 摘要 |
PCT No. PCT/GB84/00344 Sec. 371 Date Jul. 15, 1986 Sec. 102(e) Date Jul. 15, 1986 PCT Filed Oct. 8, 1984 PCT Pub. No. WO86/02014 PCT Pub. Date Apr. 10, 1986.A method of filtering utilizes a filtering apparatus having a filter member presenting a plurality of flow paths therethrough of a form to retain at least a portion of the material to be extracted the method comprising the steps of passing a stream of fluid to be filtered in a forward direction from an inlet through the filter member, moving the filter member out of the stream of fluid, changing the geometry of the filter member under gravity, e.g. by inverting the filter member, to assist in removal of extracted material from the filter member. |
