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公开(公告)号:US20130146548A1
公开(公告)日:2013-06-13
申请号:US13314892
申请日:2011-12-08
CPC分类号: C02F3/1273 , B01D65/02 , B01D65/08 , B01D2201/0476 , B01D2201/087 , B01D2313/26 , B01D2315/06 , B01D2321/04 , B01D2321/185 , B01F13/0266 , C02F3/223 , C02F2303/16 , C02F2303/24 , Y02W10/15
摘要: A static screen has a plurality of screening bodies and a plurality of aeration devices downstream of the screening bodies. Each aeration device is associated with a set of one or more of the screening bodies. Each aeration device may be a pulsing aerator. The pulsing aerators do not all release air at the same time. Each screening body works through periods of dead end filtration separated by backwashing events. The backwashing events comprise introducing a slug or pulse of air into the bottom of the screening body. Flow through the static screen continues at all times because the screening bodies are not all backwashed at the same time. The static screen may be used to remove trash from water flowing to an immersed membrane unit. Alternatively, the static screen may be used to provide primary wastewater treatment.
摘要翻译: 静电屏幕具有多个筛选体和在筛选体下游的多个曝气装置。 每个曝气装置与一组或多个筛选体相关联。 每个曝气装置可以是脉冲曝气器。 脉冲曝气器并不能同时释放空气。 每个筛选机构通过反冲洗事件分离的死端过滤时间。 反冲洗事件包括将痰液或脉冲的空气引入筛选体的底部。 任何时候,通过静态屏幕的流动将继续,因为筛选机构并不都是同时进行反洗。 静态屏幕可用于从流入浸入的膜单元的水中清除垃圾。 或者,静态屏可用于提供初级废水处理。
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公开(公告)号:US20130153490A1
公开(公告)日:2013-06-20
申请号:US13328761
申请日:2011-12-16
CPC分类号: B01D69/08 , B01D69/085 , B01D71/34 , B01D2323/42 , B01D2325/40 , B29C47/0014 , B29C47/0021 , B29C47/0028 , B29C47/8895
摘要: A process of making a reinforced hollow fiber membrane comprises flowing a membrane dope through a casting head while drawing one or more yarns or tows of filaments through the casting head. The filaments are spread apart in the casting head, for example by forcing the yarns or tows around a bend or through a narrow gap in the casting head. The filaments are adapted to bond to the membrane dope or the membrane wall. A reinforced hollow fiber membrane comprises a plurality of filaments individually surrounded by, and bonded to, the membrane wall.
摘要翻译: 制造增强的中空纤维膜的方法包括在将一根或多根丝束或丝束通过铸造头拉出的同时使膜片通过铸造头流动。 长丝在铸造头中分散开,例如通过迫使纱线或丝束绕弯曲或通过铸造头中的窄间隙。 长丝适合于粘合到膜涂料或膜壁上。 增强中空纤维膜包括单独被膜壁包围并结合到膜壁上的多根细丝。
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公开(公告)号:US20070209994A1
公开(公告)日:2007-09-13
申请号:US11683684
申请日:2007-03-08
CPC分类号: B01D69/08 , B01D69/084 , B01D2325/40
摘要: A curved hollow fiber membrane comprises a support and a film. The support is curved before being coated with the film. The membrane may be used, for example, in a filtration module.
摘要翻译: 弯曲的中空纤维膜包括支撑体和膜。 支撑体在涂覆薄膜之前是弯曲的。 膜可以用于例如过滤模块中。
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