公开(公告)号：US11890577B2

公开(公告)日：2024-02-06

申请号：US17347643

申请日：2021-06-15

申请人： I.D.E. Technologies Ltd.

发明人： Alex Drak ,  Tomer Efrat ,  Roi Zaken

IPC分类号： B01D61/08 ,  B01D61/12 ,  C02F1/44 ,  C02F1/28 ,  C02F1/42 ,  B01D61/02 ,  C02F9/00 ,  B01D61/04 ,  C02F1/00

CPC分类号： B01D61/08 ,  B01D61/02 ,  B01D61/025 ,  B01D61/027 ,  B01D61/04 ,  B01D61/12 ,  C02F1/28 ,  C02F1/42 ,  C02F1/441 ,  C02F1/442 ,  C02F9/00 ,  B01D2311/04 ,  B01D2311/08 ,  B01D2311/25 ,  B01D2311/268 ,  B01D2311/2623 ,  B01D2311/2626 ,  B01D2311/2649 ,  B01D2313/10 ,  C02F1/004 ,  C02F1/008 ,  C02F2209/03 ,  C02F2209/05 ,  C02F2209/40 ,  C02F2301/046 ,  C02F2303/24 ,  B01D2311/08 ,  B01D2311/25 ,  B01D2311/2623 ,  B01D2311/2626 ,  B01D2311/268 ,  B01D2311/04 ,  B01D2311/25 ,  B01D2311/2623 ,  B01D2311/2626 ,  B01D2311/268

摘要： A system for cleaning feed water of variable quality, the system comprising an inlet for selectively delivering feed water to one or other of at least two feed chambers, each feed chamber having a delivery pipe for delivering feed water to a reverse osmosis or nanofiltration; a pump to deliver the feed water from one of the chambers through its associated delivery pipe to the reverse osmosis or nanofiltration to create a concentrated feed stream and a product water stream; return pipes for selectively returning the concentrated feed stream to one or other of the at least two feed chambers; a product water outlet for removal of the product water; and means for switching the delivery of the concentrated feed stream between the selectable return pipes upon detection of a predetermined reduction in efficiency within one or another of the feed chambers.

公开(公告)号：US11071949B2

公开(公告)日：2021-07-27

申请号：US15777207

申请日：2016-07-13

申请人： I.D.E. Technologies Ltd.

发明人： Alex Drak ,  Tomer Efrat ,  Roi Zaken

IPC分类号： B01D61/08 ,  B01D61/04 ,  B01D61/12 ,  B01D61/02 ,  C02F1/28 ,  C02F1/42 ,  C02F1/44 ,  C02F9/00 ,  C02F1/00

摘要： A system for cleaning feed water of variable quality, the system comprising an inlet for selectively delivering feed water (FW) to one or other of at least two feed chambers (2,4), each feed chamber having a delivery pipe (2i, 4i) for delivering feed water to a reverse osmosis or nanofiltration (8); a pump (6) to deliver the feed water from one of the chambers (2, 4) through its associated delivery pipe (2i, 4i) to the reverse osmosis or nanofiltration (8) to create a concentrated feed stream and a product water stream (PW); return pipes (2R, 4R) for selectively returning the concentrated feed stream to one or other of the at least two feed chambers (2, 4); a product water outlet for removal of the product water (PW); and means for switching the delivery of the concentrated feed stream between the selectable return pipes (2R, 4R) upon detection of a predetermined reduction in the efficiency of the RO or NF process within one or other of the feed chambers (2, 4). The pressure of the concentrated feed stream is reduced to atmospheric pressure prior to its delivery back to the chamber and the feed stream passes through a desaturation unit (20).