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公开(公告)号：US20170120195A1
公开(公告)日：2017-05-04
申请号：US15403427
申请日：2017-01-11
Applicant: HITACHI, LTD.
Inventor： Yasunori SEKINE , Kazuhiko NOTO , Akira SASAKI , Kotaro KITAMURA
CPC classification number: C02F9/00 , B01D61/022 , B01D61/025 , B01D61/06 , B01D61/145 , B01D61/58 , B01D2317/022 , B01D2317/025 , C02F1/001 , C02F1/441 , C02F1/444 , C02F3/1268 , C02F3/1273 , C02F2103/08 , C02F2303/10 , Y02A20/131 , Y02W10/15 , Y02W10/30
Abstract: This desalinization system, which obtains industrial-use water and drinking water from seawater and wastewater, is provided with: a purification device that purifies wastewater by removing activated sludge therefrom; a first RO membrane that removes salt from the output of the purification device by transferring said salt to first concentrated water, thereby producing industrial-use water; a UF membrane that seawater passes through and that removes particulates from said seawater; a second RO membrane that removes salt from the treated output of the UF membrane by transferring said salt to second concentrated water, producing drinking water; an agitation device to which the second concentrated water from the second RO membrane and the first concentrated water from the first RO membrane are sent to be agitated; and a third RO membrane removing salt from the liquid mixture agitated by the agitation device by transferring said salt to third concentrated water, producing industrial-use water.
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公开(公告)号：US20170121202A1
公开(公告)日：2017-05-04
申请号：US15403294
申请日：2017-01-11
Applicant: HITACHI, LTD.
Inventor： Yasunori SEKINE , Kazuhiko NOTO , Akira SASAKI , Kotaro KITAMURA
CPC classification number: C02F9/00 , B01D61/022 , B01D61/025 , B01D61/06 , B01D61/145 , B01D61/58 , B01D2317/022 , B01D2317/025 , C02F1/001 , C02F1/441 , C02F1/444 , C02F3/1268 , C02F3/1273 , C02F2103/08 , C02F2303/10 , Y02A20/131 , Y02W10/15 , Y02W10/30
Abstract: This desalinization system, which obtains industrial-use water and drinking water from seawater and wastewater, is provided with: a purification device that purifies wastewater by removing activated sludge therefrom; a first RO membrane that removes salt from the output of the purification device by transferring said salt to first concentrated water, thereby producing industrial-use water; a UF membrane that seawater passes through and that removes particulates from said seawater; a second RO membrane that removes salt from the treated output of the UF membrane by transferring said salt to second concentrated water, producing drinking water; an agitation device to which the second concentrated water from the second RO membrane and the first concentrated water from the first RO membrane are sent to be agitated; and a third RO membrane removing salt from the liquid mixture agitated by the agitation device by transferring said salt to third concentrated water, producing industrial-use water.
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公开(公告)号：US20170121203A1
公开(公告)日：2017-05-04
申请号：US15403661
申请日：2017-01-11
Applicant: HITACHI, LTD.
Inventor： Yasunori SEKINE , Kazuhiko NOTO , Akira SASAKI , Kotaro KITAMURA
CPC classification number: C02F9/00 , B01D61/022 , B01D61/025 , B01D61/06 , B01D61/145 , B01D61/58 , B01D2317/022 , B01D2317/025 , C02F1/001 , C02F1/441 , C02F1/444 , C02F3/1268 , C02F3/1273 , C02F2103/08 , C02F2303/10 , Y02A20/131 , Y02W10/15 , Y02W10/30
Abstract: This desalinization system, which obtains industrial-use water and drinking water from seawater and wastewater, is provided with; a purification device that purifies wastewater by removing activated sludge therefrom; a first RO membrane that removes salt from the output of the purification device by transferring said salt to first concentrated water, thereby producing industrial-use water; a UF membrane that seawater passes through and that removes particulates from said seawater; a second RO membrane that removes salt from the treated output of the UF membrane by transferring said salt to second concentrated water, producing drinking water; an agitation device to which the second concentrated water from the second RO membrane and the first concentrated water from the first RO membrane are sent to be agitated; and a third RO membrane removing salt from the liquid mixture agitated by the agitation device by transferring said salt to third concentrated water, producing industrial-use water.
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