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公开(公告)号:EP1059985B1
公开(公告)日:2004-08-25
申请号:EP99907124.4
申请日:1999-02-18
申请人: Membrex, Inc.
CPC分类号: B01D29/055 , B01D29/39 , B01D29/54 , B01D29/86
摘要: Rotary disc filtration devices and filtration processes using those devices are disclosed. The devices have one or more fluid filtration gaps into which fluid to be filtered into permeate and retentate is placed. Each fluid filtration gap is defined by a disc and a filter, one of which rotates with respect to the other. The filter is carried on a filter support member. Fresh feed is introduced to each fluid filtration gap near the longitudinal axis of the shaft on which the discs are rotated. Holes through the disc in the active area of the disc, which is the area opposite the filter, counteract the tendency of the disc and filter to move towards one another.
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公开(公告)号:EP0902723B1
公开(公告)日:2003-06-25
申请号:EP96941456.4
申请日:1996-11-22
申请人: Membrex, Inc.
发明人: ROLCHIGO, Philip, M. , HODGINS, Leonard, T. , JEN, Chang, W. , KAHN, Malcolm, R. , YU, Guanghua
CPC分类号: B01D65/08 , B01D29/055 , B01D29/39 , B01D29/54 , B01D29/86 , B01D63/16 , B01D2321/185 , B01D2321/2033
摘要: Rotary disc filtration devices and filtration processes using those devices are disclosed. The devices have one or more fluid filtration gaps into which fluid to be filtered into permeate and retentate is placed. Each fluid filtration gap is defined by a disc and a filter, one of which rotates with respect to the other. The filter is carried on a filter member. The discs and interleaved filter members may be suspended from the top of the device, the top may rest on a vessel containing the fluid to be filtered, the discs may be attached to a single shaft for rotation, and the filter members may be suspended from a sleeve around the shaft, which sleeve keeps the filters centered with respect to the discs. Removal of the device's top removes the discs and filter members together, facilitating maintenance. Each filter member may have a peripheral lip and the lips of adjacent filter members may be sufficiently close to one another to substantially restrict the flow of retentate out of the fluid filtration gap. Retentate flowing out of each fluid filtration gap may be directed into the vessel to counteract the tendency of the fluid in the vessel to rotate in the same direction as the discs are rotated, or the retentate may be recycled directly to the fluid filtration gaps. The liquid level in the vessel may be held constant using a dual-pipe system and three-head peristaltic pump.
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公开(公告)号:EP1059985A1
公开(公告)日:2000-12-20
申请号:EP99907124.4
申请日:1999-02-18
申请人: Membrex, Inc.
IPC分类号: B01D33/15
CPC分类号: B01D29/055 , B01D29/39 , B01D29/54 , B01D29/86
摘要: Rotary disc filtration devices and filtration processes using those devices are disclosed. The devices have one or more fluid filtration gaps into which fluid to be filtered into permeate and retentate is placed. Each fluid filtration gap is defined by a disc and a filter, one of which rotates with respect to the other. The filter is carried on a filter support member. Fresh feed is introduced to each fluid filtration gap near the longitudinal axis of the shaft on which the discs are rotated. Holes through the disc in the active area of the disc, which is the area opposite the filter, counteract the tendency of the disc and filter to move towards one another.
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公开(公告)号:EP0902723A1
公开(公告)日:1999-03-24
申请号:EP96941456.0
申请日:1996-11-22
申请人: Membrex, Inc.
发明人: ROLCHIGO, Philip, M. , HODGINS, Leonard, T. , JEN, Chang, W. , KAHN, Malcolm, R. , YU, Guanghua
CPC分类号: B01D65/08 , B01D29/055 , B01D29/39 , B01D29/54 , B01D29/86 , B01D63/16 , B01D2321/185 , B01D2321/2033
摘要: Rotary disc filtration devices and filtration processes using those devices are disclosed. The devices have one or more fluid filtration gaps into which fluid to be filtered into permeate and retentate is placed. Each fluid filtration gap is defined by a disc and a filter, one of which rotates with respect to the other. The filter is carried on a filter member. The discs and interleaved filter members may be suspended from the top of the device, the top may rest on a vessel containing the fluid to be filtered, the discs may be attached to a single shaft for rotation, and the filter members may be suspended from a sleeve around the shaft, which sleeve keeps the filters centered with respect to the discs. Removal of the device's top removes the discs and filter members together, facilitating maintenance. Each filter member may have a peripheral lip and the lips of adjacent filter members may be sufficiently close to one another to substantially restrict the flow of retentate out of the fluid filtration gap. Retentate flowing out of each fluid filtration gap may be directed into the vessel to counteract the tendency of the fluid in the vessel to rotate in the same direction as the discs are rotated, or the retentate may be recycled directly to the fluid filtration gaps. The liquid level in the vessel may be held constant using a dual-pipe system and three-head peristaltic pump.
摘要翻译: 公开了使用这些装置的旋转圆盘过滤装置和过滤工艺。 这些装置具有一个或多个过滤间隙,待过滤的流体渗入渗透物或渗余物中。 每个流体过滤间隙由盘(46)和过滤器(44)限定,其中一个相对于另一个旋转。 过滤器装在过滤器部件上。 盘和交错的过滤器构件可以从设备的顶部(32,34)悬挂,顶部可以搁置在容纳待过滤流体的容器上,盘可以连接到单个轴(38)以旋转, 并且过滤构件可以从围绕轴的套筒(42)悬挂下来,该套筒使过滤器相对于圆盘保持居中。 拆下设备的顶部可将光盘和过滤器部件拆卸在一起,便于维护。
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