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    Water treatment system using mechanical vapour compression
    2.
    发明授权
    Water treatment system using mechanical vapour compression 有权

    公开(公告)号：US10745292B2

    公开(公告)日：2020-08-18

    申请号：US16099415

    申请日：2017-07-10

    Applicant: I.D.E. TECHNOLOGIES LTD

    Inventor： Tomer Efrat ,  Alex Drak

    IPC: C02F1/04 ,  B01D1/28 ,  B01D5/00 ,  B01D1/26 ,  C02F1/52 ,  B01D9/00 ,  C02F101/10

    Abstract: A water treatment system comprising a mechanical vapour compression apparatus (11), the mechanical vapour apparatus having a evaporation/condensation vessel (11a) and a recirculation circuit (20) whereby recirculated water is pumped from an outlet (18a) of the evaporation/condensation vessel (11A) to an inlet (18B) of the evaporation/condensation vessel (11A), wherein the recirculation circuit (20) comprises a fluidized bed crystallizer (22), and at least part of the recirculated brine is passed through the fluidized bed crystallizer (22) to remove dissolved minerals therefrom.

    Cleaning a multi-effect evaporator
    3.
    发明授权
    Cleaning a multi-effect evaporator 有权

    公开(公告)号：US10955203B2

    公开(公告)日：2021-03-23

    申请号：US15775379

    申请日：2016-11-08

    Applicant: I.D.E. TECHNOLOGIES LTD.

    Inventor： Tomer Efrat

    IPC: F28G9/00 ,  F25B39/02

    Abstract: A method and system for cleaning a multistage evaporator, the evaporator having a normal operational mode and a cleaning mode and having at least two groups of effects (2, 4), each group having one or more effects. In a normal operational mode, input vapor is introduced to a first group of effects (2), the first group comprising the hottest effects, and then vapor is delivered from the first group to a second group of effects (4), and optionally, from the second group of effects to a third group of effects (6) and so on depending on the total number of effects. Upon detection of a predetermined level of scale formation in the first group of effects, the evaporator is switched to a cleaning mode wherein the first group of effects (2) is physically separated from the other groups of effects and the input vapor is re-directed into the second group of effects (4). A cleaning agent is introduced into the physically separated first group of effects (2) until a predetermined level of cleanliness is achieved.

    Water treatment plant
    6.
    发明授权
    Water treatment plant 有权

    公开(公告)号：US11078092B2

    公开(公告)日：2021-08-03

    申请号：US15028060

    申请日：2014-10-07

    Applicant: I.D.E. TECHNOLOGIES LTD.

    Inventor： Boris Liberman ,  Herman Weiss ,  Tomer Efrat

    IPC: C02F1/16 ,  B01D53/62 ,  F01K17/04 ,  F01K23/10 ,  F01K15/00 ,  F01K9/00 ,  B01D3/06 ,  B01D61/06 ,  C02F1/44 ,  F01K11/02 ,  C02F101/10 ,  C02F103/08

    Abstract: A pumping apparatus for a water treatment plant, the pumping apparatus comprising a gas supply, at least one gas turbine 11 connected to the gas supply, the at least one gas turbine connected to drive at least one primary pump 12 through a reduction gear train 13 and clutch 14, a waste heat boiler 26 having a feed water input, the waste heat boiler having an exhaust gas input 26a to receive exhaust gas from the at least one gas turbine 11 and generate steam from the feed water, the waste heat boiler having an steam output 18, the apparatus further comprising at least one steam turbine 20, the at least one steam turbine connected to drive at least one secondary pump 21, the at least one steam turbine being connected to the steam output 18 of the waste heat boiler, the at least one steam turbine 20 further having an exhaust steam output 27, the apparatus further comprising a condensing apparatus 28 to receive steam from the exhaust steam output and generate a feed water stream at a feed water output, the feed water outlet being connected to the feed water input of the waste heat boiler 26.

    Reverse osmosis or nanofiltration process for cleaning water
    7.
    发明授权
    Reverse osmosis or nanofiltration process for cleaning water 有权

    公开(公告)号：US11071949B2

    公开(公告)日：2021-07-27

    申请号：US15777207

    申请日：2016-07-13

    Applicant: I.D.E. Technologies Ltd.

    Inventor： Alex Drak ,  Tomer Efrat ,  Roi Zaken

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

    Abstract: 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).

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