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公开(公告)号：US11053141B2
公开(公告)日：2021-07-06
申请号：US15134760
申请日：2016-04-21
申请人： LifeStraw SA
发明人： Mikkel Vestergaard Frandsen , Daniel Frauchiger , Jean-Luc Madier de Champvermeil , Jean-Marc Pascal , Luc Stoops
摘要： A device (1) for purification of water driven by gravity through a purification unit between an upper dirt water container (2) and a lower clean water tank (3). A backwash system may be integrated, the system comprising a receptacle (8) for accumulation of the backwash water to prevent consumption thereof by mistake.
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公开(公告)号：US11052350B2
公开(公告)日：2021-07-06
申请号：US16343415
申请日：2017-10-23
发明人： Elmar Grausam , Ingo Fehr
摘要： The invention relates to a method of determining a permeation property of hollow-fibre membranes wherein the permeation property of the hollow-fibre membrane is determined on a hollow-fibre membrane bundle which has been introduced into a housing and has terminally open hollow-fibre membranes at a first end of the hollow-fibre membrane bundle and terminally closed hollow-fibre membranes at a second end of the hollow-fibre membrane bundle. The invention more particularly relates to a method of determining the ultrafiltration rate and/or the ultrafiltration coefficient of hollow-fibre membranes.
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公开(公告)号：US11013841B2
公开(公告)日：2021-05-25
申请号：US16586970
申请日：2019-09-28
申请人： Choon Kee Lee
发明人： Choon Kee Lee
摘要： To enhance diffusive mass transfer of solutes, the present hemodialyzer in a cylindrical configuration for hemodialysis comprises a blood compartment having a packed bundle of hollow fibers in a reversibly distensible doughnut configuration on a radial cross-section, and a dialysate compartment having an axial spiral flow converter slidably inserted in a center of the packed bundle of the hollow fibers and an outer circumferential space encircling an outer circumferential layer of the packed bundle of the hollow fibers. The axial spiral flow converter is configured to convert an axial dialysate flow to a centrifugal dialysate flow radially spreading from the center of the packed bundle of the hollow fibers to the outer circumferential space of the hemodialyzer.
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公开(公告)号：US10988725B2
公开(公告)日：2021-04-27
申请号：US16438001
申请日：2019-06-11
IPC分类号： C12M1/00 , B01D71/26 , B01D63/06 , B01D61/14 , B01D61/18 , C12M1/12 , B01D61/20 , B01D63/02 , C12N5/00
摘要： Provided herein are tubular membrane filter elements, tangential flow filtration systems comprising such filter elements and methods of using such filter elements and filtration systems.
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公开(公告)号：US10981949B2
公开(公告)日：2021-04-20
申请号：US16100515
申请日：2018-08-10
申请人： Merck Millipore Ltd.
发明人： Damian Brellisford , Donna Lisa Crossley , Greg McIntosh , Robert Ruman , John Rydall , Christopher S. Shields
IPC分类号： B01D63/08 , B01D36/02 , C07K14/77 , C07K16/00 , C12N9/36 , B01D63/14 , B01D63/10 , B01D63/02 , C07K1/22 , B01D69/10 , B01L3/00 , B01D69/02 , B01L9/00
摘要： Described herein are fluid treatment devices for use in tangential flow filtration, comprising a housing unit and a composite material, wherein the composite material comprises: a support member comprising a plurality of pores extending through the support member; and a non-self-supporting macroporous cross-linked gel comprising macropores having an average size of 10 nm to 3000 nm, said macroporous gel being located in the pores of the support member. The invention also relates to a method of separating a substance from a fluid, comprising the step of placing the fluid in contact with an inventive device, thereby adsorbing or absorbing the substance to the composite material contained therein.
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公开(公告)号：US10946309B2
公开(公告)日：2021-03-16
申请号：US16578856
申请日：2019-09-23
申请人： Merichem Company
IPC分类号： B01D11/04 , C10G19/00 , B01D63/02 , B01D69/08 , B01J19/24 , B01F5/02 , B01J4/00 , B01F15/02 , C10G19/02
摘要： A fiber bundle contactor may include a vessel including a first inlet; a second inlet; a mixing zone arranged in the vessel to receive a first fluid from the first inlet and a including fluid from the second inlet, wherein the mixing zone comprises a perforated plate assembly comprising a plate, a plurality of openings in the plate, and a plurality of riser pipes that extend from the plate and arranged to allow fluid flow through additional openings in the plate; and an extraction zone including a fiber bundle arranged in the vessel to receive the first fluid and the second fluid from the mixing zone.
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公开(公告)号：US20210069649A1
公开(公告)日：2021-03-11
申请号：US16633395
申请日：2018-06-20
申请人： TOYOBO CO., LTD.
摘要： A hollow fiber membrane module includes one pressure vessel, and at least one hollow fiber membrane element loaded in the pressure vessel. Each of the element includes a plurality of hollow fiber membranes each having openings at both ends, a bypass tube, and a supply port and a discharge port provided on one end side in a longitudinal direction. The supply port is in communication with inflow-side openings of hollow fiber membranes. The bypass tube is provided in the longitudinal direction of the element, has an inflow port at an end portion on a side of outflow-side openings of the hollow fiber membranes, and has an outflow port at an end portion on a side of the inflow-side openings of the hollow fiber membranes. The outflow-side openings of hollow fiber membranes are in communication with the inflow port, and the outflow port is in communication with the discharge port.
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78.发明申请公开(公告)号：US20210069648A1
公开(公告)日：2021-03-11
申请号：US17011304
申请日：2020-09-03
申请人： REPLIGEN CORPORATION
发明人： Michael Bransby , Derek Carroll
摘要： The present disclosure relates to hollow fiber tangential flow filters, including hollow fiber tangential flow depth filters, for various applications, including bioprocessing and pharmaceutical applications, systems employing such filters, and methods of filtration using the same.
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公开(公告)号：US10898858B2
公开(公告)日：2021-01-26
申请号：US15324088
申请日：2015-07-09
发明人： Kazuto Nagata , Hiroyuki Arai
IPC分类号： B01D61/36 , B01D63/02 , B01D69/02 , B01D71/34 , B01D71/36 , B01D69/08 , B01D71/26 , B01D71/68
摘要： The present invention provides a membrane distillation apparatus that comprises an evaporation part comprising a liquid phase part 1 in which water to be treated flows, a gas phase part 1, and a hydrophobic porous membrane that separates the liquid phase part 1 and the gas phase part 1, a condensation part comprising a liquid phase part 2 in which cooling water flows, a gas phase part 2, and a cooling member that separates the liquid phase part 2 and the gas phase part 2, and a gas phase part 3 connecting the gas phase part 1 with the gas phase part 2, wherein the pressure of the gas phase parts 1 to 3 is 1 kPa or higher and the saturated steam pressure of water at the temperature of water to be treated or lower.
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公开(公告)号：US20200377397A1
公开(公告)日：2020-12-03
申请号：US16998704
申请日：2020-08-20
摘要： A cord for supporting a biofilm has a plurality of yarns. At least one of the yarns comprises a plurality of hollow fiber gas transfer membranes. At least one of the yarns extends along the length of the cord generally in the shape of a spiral. Optionally, one or more of the yarns may comprise one or more reinforcing filaments. In some examples, a reinforcing yarn is wrapped around a core. A module may be made by potting a plurality of the cords in at least one header. A reactor may be made and operated by placing the module in a tank fed with water to be treated and supplying a gas to the module. In use, a biofilm covers the cords to form a membrane biofilm assembly.
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