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公开(公告)号：JP2009220070A
公开(公告)日：2009-10-01
申请号：JP2008069647
申请日：2008-03-18
Applicant: Nitto Denko Corp , 日東電工株式会社
Inventor： JIZO SHINICHI , HAMADA TOSHIMITSU , BEPPU MASASHI , UDA YASUHIRO , TAKADA MASAKATSU
IPC: B01D63/10
Abstract: PROBLEM TO BE SOLVED: To provide a spiral membrane element which enables an efficient discharge of an insoluble element contained in a supply liquid as a concentrated liquid while suppressing a decrease in effective membrane area, and to provide a spiral membrane module.
SOLUTION: The spiral membrane element 1 comprises a wound body R formed by winding a singular or a plurality of transmission side flow passage materials 3, supply side flow passage materials 6, and separating membranes 2 around a perforated central tube 5, and further includes an upstream side end member 10 provided at the upstream side of the wound body R for guiding the insoluble element contained in the supply liquid 7 to the outer periphery side. The supply side flow passage material 6 is provided with a part larger in thickness than the inner periphery side at the outer periphery side.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：提供一种螺旋膜元件，其能够有效地排出作为浓缩液体的供给液中所含的不溶性元素，同时抑制有效膜面积的降低，并提供螺旋膜组件。 解决方案：螺旋膜元件1包括通过缠绕单个或多个传输侧流动通道材料3，供应侧流动通道材料6和分离膜2围绕穿孔中心管5而形成的卷绕体R，以及 还包括设置在卷绕体R的上游侧的上游侧端部构件10，用于将包含在供给液体7中的不溶性元素引导到外周侧。 供给侧流路材料6设置有比外周侧的内周侧大的厚度的部分。 版权所有（C）2010，JPO＆INPIT
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公开(公告)号：JP2009006279A
公开(公告)日：2009-01-15
申请号：JP2007170800
申请日：2007-06-28
Applicant: Nitto Denko Corp , 日東電工株式会社
Inventor： KONISHI TAKAHISA , KURATA NAOKI , MARUYAMA KOJI , UDA YASUHIRO , YAMASHIRO YUJI , HARADA CHIAKI
CPC classification number: B01D69/125 , B01D67/0006 , B01D67/0079 , B01D69/02 , B01D69/12 , B01D69/148 , B01D71/022 , B01D71/38 , B01D71/56 , B01D2323/30 , B01D2325/20 , B01D2325/30 , B01D2325/48
Abstract: PROBLEM TO BE SOLVED: To provide a simple and low cost method for preparing a semipermeable composite membrane having an excellent stain resistance and particularly an excellent microbial contamination resistance, and a semipermeable composite membrane prepared by the method.
SOLUTION: The method for preparing a semipermeable composite membrane comprises the process of forming a skin layer comprising a polyamide resin prepared by causing a polyfunctional amine component and a polyfunctional acid halide component to react with each other on the surface of a porous support, the process of forming a polymer layer A comprising a silver salt compound directly over the skin layer or via another layer, and the process of precipitating metallic silver within the polymer layer A and/or on the surface thereof by reducing the silver salt compound.
COPYRIGHT: (C)2009,JPO&INPITAbstract translation: 要解决的问题：提供一种制备具有优异的耐污性，特别是优异的微生物污染抗性的半透膜复合膜的简单且低成本的方法，以及通过该方法制备的半透膜复合膜。 解决方案：制备半透膜复合膜的方法包括形成包含通过使多官能胺组分和多官能酰卤组分在多孔载体的表面上彼此反应制备的聚酰胺树脂的表层的方法 ，直接在表皮层上或通过另一层形成包含银盐化合物的聚合物层A的过程，以及通过还原银盐化合物在聚合物层A和/或其表面上析出金属银的方法。 版权所有（C）2009，JPO＆INPIT
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公开(公告)号：JP2007275871A
公开(公告)日：2007-10-25
申请号：JP2007058648
申请日：2007-03-08
Applicant: Nitto Denko Corp , 日東電工株式会社
Inventor： ISHII KATSUMI , JIZO SHINICHI , MATSUDA HIDEKI , BEPPU MASASHI , FUJIOKA HIROKI , UDA YASUHIRO
IPC: B01D63/10
Abstract: PROBLEM TO BE SOLVED: To provide a spiral-type film element capable of not only improving the barrier property of a fiber reinforcing resin layer using a fiber winding as a reinforcing phase but also effectively preventing the occurrence of crack.
SOLUTION: The spiral-type film element comprises a cylindrical winding body (R) having a stack of a separation film, a supply side flow channel member, and a transmission side flow channel member wound in a spiral around a perforated center tube (5) and a sealing portion for preventing a supply side fluid and a transmission side fluid from mixing with each other. In this spiral-type film element, a fiber-reinforced resin layer (26) using a fiber winding as a reinforcing phase is formed on the outer side of the cylindrical winding body (R), and a plastic layer (24) is provided inside or on the inner side of the fiber-reinforced resin layer (26) over the substantially entire length and periphery of the fiber-reinforced resin layer (26).
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供一种螺旋型膜元件，其不仅可以使用纤维缠绕作为增强相来提高纤维增强树脂层的阻隔性，而且有效地防止裂纹的发生。 解决方案：螺旋型膜元件包括具有分离膜堆叠的圆柱形卷绕体（R），供给侧流动通道构件和绕穿孔中心管卷绕成螺旋形的传动侧流动通道构件 （5）和用于防止供给侧流体和透过侧流体彼此混合的密封部分。 在该螺旋型膜元件中，在圆筒形绕线体（R）的外侧形成使用纤维缠绕作为增强相的纤维强化树脂层（26），并且在内侧设置塑料层（24） 或在纤维增强树脂层（26）的内侧，在纤维强化树脂层（26）的大致整个长度和周边上。 版权所有（C）2008，JPO＆INPIT
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公开(公告)号：JP2007209956A
公开(公告)日：2007-08-23
申请号：JP2006035494
申请日：2006-02-13
Applicant: Nitto Denko Corp , 日東電工株式会社
Inventor： BEPPU MASASHI , UDA YASUHIRO
Abstract: PROBLEM TO BE SOLVED: To provide a spiral type separation membrane element capable of suppressing pressure loss in a channel in the supply side and giving high operation efficiency and good filtered water quality owing to a sufficient effect for suppressing concentration polarization.
SOLUTION: The spiral type separation membrane element comprises a separation membrane, a channel material in the supply side, and a channel material in the filtered side which are rolled around a hollow center pipe having holes. The channel material in the supply side is composed of warp yarns 1 parallel to the flow direction of the supplied liquid and weft yarns 2 crossing the flow direction of the supplied liquid, wherein both yarns are entwisted at a crossing angle θ of 20 to 80° and have the ratio (L1/L2) of the intervals L1 of the warp yarns and the intervals L2 of the weft yarns in a range from 1.3 to 2.0, and the intervals L1 of the warp yarns is 5 mm or wider.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 解决的问题：提供一种能够抑制供给侧的通道中的压力损失并且由于充分的抑制浓度极化的效果而提供高的运行效率和良好的过滤水质量的螺旋型分离膜元件。 解决方案：螺旋型分离膜元件包括分隔膜，供给侧的通道材料和过滤侧的通道材料，其围绕具有孔的中空中心管卷起。 供给侧的通道材料由与供给液体的流动方向平行的经纱1和与供给液体的流动方向交叉的纬纱2构成，其中两根纱线以交叉角度θ为20〜80° 并且经纱的间隔L1和纬纱的间隔L2的比（L1 / L2）在1.3〜2.0的范围内，经纱的间隔L1为5mm以上。 版权所有（C）2007，JPO＆INPIT
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