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公开(公告)号：US10919793B2
公开(公告)日：2021-02-16
申请号：US15540208
申请日：2015-12-29
Applicant: Grundfos Holding A/S
Inventor： Tom Jæger , Dominik Marek Dominiak , Marcel Gausmann
Abstract: The present invention relates to a filtering device for a water treatment system comprising a biological treatment device adapted to provide a sludge from wastewater or filtrated wastewater, and/or the biological treatment device being fluidic connectable to or in fluidic connection with the filtering device for receiving filtrated wastewater from the filtering device and for delivering sludge to the filtering device. The filtering device is a cake filtration device comprising a fluid penetrable support structure and the support structure is provided as one or more tubular elements having a filtration cake provided on the inside of the fluid penetrable support structure. The filtering has device an inlet being connectable to receive liquid to be filtered so that the flux of liquid to be filtered is from the inside of the support structure, through the filtration cake and to the outside of the support structure thereby providing a filtrate, an outlet for outletting liquid from the interior of the tubular element, and a filtrate outlet for outletting filtrate from the filtering device. The filtration cake is being provided by deposition of solids from the sludge formed in the biological treatment device.
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公开(公告)号：US20170355629A1
公开(公告)日：2017-12-14
申请号：US15540208
申请日：2015-12-29
Applicant: Grundfos Holding A/S
Inventor： Tom Jæger , Dominik Marek Dominiak , Marcel Gausmann
CPC classification number: C02F3/1221 , C02F3/006 , C02F3/06 , C02F3/109 , C02F3/1215 , C02F3/302 , C02F2101/30 , C02F2203/006 , C02F2209/001 , C02F2209/03 , C02F2303/10 , C02F2303/20 , Y02W10/15 , Y02W10/30
Abstract: The present invention relates to a filtering device for a water treatment system comprising a biological treatment device adapted to provide a sludge from wastewater or filtrated wastewater, and/or the biological treatment device being fluidic connectable to or in fluidic connection with the filtering device for receiving filtrated wastewater from the filtering device and for delivering sludge to the filtering device. The filtering device is a cake filtration device comprising a fluid penetrable support structure and the support structure is provided as one or more tubular elements having a filtration cake provided on the inside of the fluid penetrable support structure. The filtering has device an inlet being connectable to receive liquid to be filtered so that the flux of liquid to be filtered is from the inside of the support structure, through the filtration cake and to the outside of the support structure thereby providing a filtrate, an outlet for outletting liquid from the interior of the tubular element, and a filtrate outlet for outletting filtrate from the filtering device. The filtration cake is being provided by deposition of solids from the sludge formed in the biological treatment device.
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公开(公告)号：US20170368485A1
公开(公告)日：2017-12-28
申请号：US15540206
申请日：2015-12-29
Applicant: Grundfos Holding A/S
Inventor： Tom Jæger , Dominik Marek Dominiak , Christian Schou , Marcel Gausmann
CPC classification number: B01D37/02 , C02F1/001 , C02F3/12 , C02F3/121 , C02F3/1221 , C02F3/286 , C02F11/04 , C02F11/121 , C02F2101/30 , C02F2209/03 , C02F2303/20 , Y02E50/343 , Y02W10/15
Abstract: The present invention relates to a water treatment system comprising a pre-filtering device receiving water, such as waste water, to be treated and providing a filtrate, and a biological treatment device being fluidic connectable to or in fluidic connection with the pre-filtering device for receiving the filtrate from the pre-filtering device. The biological treatment device is adapted to perform a biological treatment of the filtrate and to provide sludge solids. The pre-filtering device is a cake filtration device having a filtration cake wherein the filtration cake is being provided by deposition of solids from the sludge formed in the biological treatment device. A water treatment process employing the system and a method of forming a filter cake are also described.
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