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公开(公告)号：EP2993159A4
公开(公告)日：2016-04-13
申请号：EP14887711
申请日：2014-09-12
发明人： UKAI NOBUYUKI , OKINO SUSUMU , SUZUKI HIDEO , NAKASHOJI HIROSHI , YOSHIOKA SHIGERU , KOMATSU TOMOMI
IPC分类号： C02F1/52 , C02F1/04 , C02F1/20 , C02F1/32 , C02F1/38 , C02F1/42 , C02F1/44 , C02F1/463 , C02F1/56 , C02F1/60 , C02F1/66 , C02F1/68 , C02F5/06 , C02F103/02 , C02F103/04 , C02F103/12
CPC分类号： C02F9/00 , C02F1/048 , C02F1/20 , C02F1/32 , C02F1/38 , C02F1/42 , C02F1/441 , C02F1/46104 , C02F1/463 , C02F1/5209 , C02F1/5236 , C02F1/5245 , C02F1/56 , C02F1/60 , C02F1/66 , C02F1/683 , C02F5/06 , C02F2001/007 , C02F2001/422 , C02F2001/425 , C02F2001/5218 , C02F2101/10 , C02F2103/023 , C02F2103/04 , C02F2103/12 , C02F2103/346 , C02F2209/006 , C02F2209/06 , C02F2301/046 , C02F2303/18 , C02F2303/22
摘要： The present invention is to provide a water treatment device and a water treatment method that can efficiently remove soluble silica in water to be treated. A water treatment device 1 of the present invention comprises: a soluble silica deposition section 13 that deposits soluble silica dissolved in water to be treated W1, the water to be treated W1 having a concentration of aluminate ion represented by general formula (1) below and a pH that are in predetermined ranges; and a solid-liquid separating section 14 that separates the deposited soluble silica from the water to be treated W1 to obtain treated water W2 formed by removing the soluble silica from the water to be treated W1. €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ[Al(OH) 4 ] - ... Formula€ƒ€ƒ€ƒ€ƒ€ƒ(1)
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公开(公告)号：EP2993160A4
公开(公告)日：2016-08-03
申请号：EP14892229
申请日：2014-09-12
发明人： UKAI NOBUYUKI , OKINO SUSUMU , SUZUKI HIDEO , NAKASHOJI HIROSHI , YOSHIOKA SHIGERU , KOMATSU TOMOMI
CPC分类号： C02F9/00 , B01D61/025 , B01D61/04 , B01D2311/04 , B01D2311/06 , C02F1/42 , C02F1/441 , C02F1/463 , C02F1/5236 , C02F1/5245 , C02F1/60 , C02F1/66 , C02F1/683 , C02F2001/007 , C02F2101/10 , C02F2103/023 , C02F2103/346 , C02F2209/005 , C02F2209/06 , C02F2303/18 , C02F2303/22 , B01D2311/12 , B01D2311/2642 , B01D2311/246 , B01D2311/18 , B01D2311/2684 , B01D2311/2623 , B01D2311/2649 , B01D2311/2619 , B01D2311/2653 , B01D2311/2673
摘要： The present invention is to provide a water treatment device and a water treatment method that can efficiently remove soluble silica in water to be treated. A water treatment device 1 of the present invention comprises: a soluble silica deposition section 13 that deposits soluble silica dissolved in water to be treated W1, the water to be treated W1 having a concentration of aluminate ion represented by general formula (1) below and a pH that are in predetermined ranges; a solid-liquid separating section 14 that separates the deposited soluble silica from the water to be treated W1 to obtain water to be treated W1 in which the soluble silica has been removed from the water to be treated W1; and a reverse osmosis membrane filtration section 30 that filtrates, by using a reverse osmosis membrane 30a, the water to be treated W1 in which the soluble silica has been removed in the solid-liquid separating section 14. €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ[Al(OH) 4 ] - €ƒ€ƒ€ƒ€ƒ€ƒFormula (1)
摘要翻译： 本发明提供一种能够有效地除去被处理水中的可溶性二氧化硅的水处理装置和水处理方法。 本发明的水处理装置1包括：溶解在待处理水W1中的可溶性二氧化硅沉积部13，具有下述通式（1）表示的铝酸根离子浓度的待处理水W1;以及 pH在预定范围内; 从被处理水W1分离沉积的可溶性二氧化硅以得到待处理水W1的待处理水W1的固液分离区14; 以及反渗透膜过滤部30，其通过使用反渗透膜30a将固溶液分离部14中的可溶性二氧化硅除去的待处理水W1进行过滤。ƒ€ƒ€ƒ€ €ƒ€ƒ€ƒ€ƒ[Al（OH）4] - €ƒ€ƒ€ƒ€ƒFormula（1）
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公开(公告)号：EP3093274A4
公开(公告)日：2016-11-16
申请号：EP15766376
申请日：2015-03-19
发明人： UKAI NOBUYUKI , OKINO SUSUMU , SUZUKI HIDEO , NAKASHOJI HIROSHI , YOSHIOKA SHIGERU , KOMATSU TOMOMI
IPC分类号： C02F1/60 , B01D21/01 , B01D61/04 , C02F1/44 , C02F1/52 , C02F5/00 , C02F5/02 , C02F5/08 , C02F9/00
CPC分类号： C02F9/00 , B01D21/01 , B01D61/00 , B01D61/025 , B01D61/027 , B01D61/04 , B01D61/145 , B01D61/147 , B01D61/16 , B01D65/02 , B01D2321/40 , C02F1/004 , C02F1/008 , C02F1/44 , C02F1/441 , C02F1/442 , C02F1/444 , C02F1/52 , C02F1/5245 , C02F1/5254 , C02F1/60 , C02F1/66 , C02F1/68 , C02F1/72 , C02F5/00 , C02F5/02 , C02F5/08 , C02F5/083 , C02F2001/5218 , C02F2101/10 , C02F2101/20 , C02F2103/023 , C02F2103/10 , C02F2103/346 , C02F2209/06 , C02F2303/16 , Y02A20/131
摘要： The water treatment system comprises: an aluminate ion addition part 14c for adding an aluminate ion additive 14a to water to be treated containing at least salt content and silica; a first precipitation part 16 provided on the downstream side of the aluminate ion addition part 14c so as to precipitate and separate the solid content in the water to be treated 11; a first pH adjustment part 17c provided on the downstream side of the first precipitation part 16 so as to adjust the pH to a first pH level which precipitates the residual aluminum in the water to be treated 11 by supplying a first pH adjusting agent 17a; a first solid/liquid separation part 18A for separating the solid content in the water to be treated 11; a second pH adjustment part 19c for adjusting the pH of the water to be treated 11 from the first solid/liquid separation part 18A to a second pH level; and a first separation membrane (desalination treatment) apparatus 23A provided on the downstream side of the second pH adjustment part 19c so as to separate the water to be treated 11 into first permeated water 21 A and first non-permeated water 22A by removing the salt content in the water to be treated 11.
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