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公开(公告)号：US11717790B2
公开(公告)日：2023-08-08
申请号：US17252358
申请日：2019-06-20
Applicant: Cytiva Sweden AB
Inventor： Nityananda Maiya , Deepak Aravind , Fredrik Lundström , Saameera Simha Hindupur , Shivakumar Selvaraj , Alagur Sahebagouda
CPC classification number: B01D61/12 , B01D61/22 , B01D65/02 , B01D2311/04 , B01D2311/06 , B01D2311/14 , B01D2311/16 , B01D2313/48 , B01D2315/10 , B01D2315/20 , B01D2321/40
Abstract: A method includes measuring, by a flow sensor (70), a flow rate of a permeate fluid (48) flowing through a filter (20) of a membrane filtration system (12). Further, the method includes receiving, by a control unit (86), the measured flow rate of the permeate fluid (48) and determining, by the control unit (86), a first flux rate of the filter (20) based on the measured flow rate of the permeate fluid (48). Furthermore, the method includes comparing, by the control unit (86), the determined first flux rate with a first predetermined flux rate. Additionally, the method includes operating the membrane filtration system (12), by the control unit (86), in a normal mode or a flux tolerant mode based on the comparison of the determined first flux rate with the first predetermined flux rate. The flux tolerant mode of the membrane filtration system (12) is further based on a determined normalized water permeability value of the filter (20).
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公开(公告)号：US20210260530A1
公开(公告)日：2021-08-26
申请号：US17252358
申请日：2019-06-20
Applicant: Cytiva Sweden AB
Inventor： Nityananda Maiya , Deepak Aravind , Fredrik Lundström , Saameera Simha Hindupur , Shivakumar Selvaraj , Alagur Sahebagouda
Abstract: A method includes measuring, by a flow sensor (70), a flow rate of a permeate fluid (48) flowing through a filter (20) of a membrane filtration system (12). Further, the method includes receiving, by a control unit (86), the measured flow rate of the permeate fluid (48) and determining, by the control unit (86), a first flux rate of the filter (20) based on the measured flow rate of the permeate fluid (48). Furthermore, the method includes comparing, by the control unit (86), the determined first flux rate with a first predetermined flux rate. Additionally, the method includes operating the membrane filtration system (12), by the control unit (86), in a normal mode or a flux tolerant mode based on the comparison of the determined first flux rate with the first predetermined flux rate. The flux tolerant mode of the membrane filtration system (12) is further based on a determined normalized water permeability value of the filter (20).
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