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Application of Membrane Bioreactors for a Gulf Coast Water Reclamation Facility 膜生物反应器在墨西哥湾沿岸水资源回收设施中的应用
发布日期: 2009-11-01
珊瑚角市位于佛罗里达州西南部,拥有世界上最大的再利用和再生水系统之一 世界该市目前运营着两座废水回收设施,并于2007年开始设计第三座工厂。 北水回收设施(NWRF)的初始容量为10 MGD,最终容量为20 MGD MGD。基于对传统活性污泥和膜生物反应器技术的详细评估,该市 选择膜的原因有很多,包括优越的出水质量、更有效的过滤能力 与填海目标相结合,降低了对高价房地产的面积要求。膜和 相关设备随后采用生命周期招标方法进行了预购。整个项目正在进行中 在替代交付框架内交付。 最近的污水设施规划确定,快速增长的污水处理厂将需要新建 北开普省的一些地区。此外,该市希望最大限度地回收处理后的污水,以满足 灌溉分配系统要求更有效地利用现有资源。拟议的NWRF将 具有将再生水排放至深注水井的能力,并在低灌溉需求时提供备用 时期。它不会将污水排放到地表水中。 NWRF将位于住宅区中间的绿地上,受严格的场地限制。这个 还需要进行设计,以尽量减少与施工活动相关的影响。因此,考虑新的 替代工艺技术被认为是非常合适的。包括桌子。
The City of Cape Coral, located in Southwest Florida, has one of the largest reuse and reclaimed water systems in the world. The City currently operates two wastewater reclamation facilities and initiated design for a third plant in 2007. The North Water Reclamation Facility (NWRF) will have an initial capacity of 10 MGD, and an ultimate capacity of 20 MGD. Based on a detailed evaluation of conventional activated sludge and membrane bioreactor technologies, the City selected membranes for a number of reasons including superior effluent quality, the capability for more effective integration with reclamation objectives, and reduced area requirements for highly priced real estate. Membranes and related equipment were subsequently pre-purchased using a life-cycle bidding approach. The entire project is being delivered within an alternative delivery framework. Recent wastewater facilities planning determined that a new treatment works would be required for rapidly growing areas of the North Cape. Furthermore, it is the City's desire to maximize the reclamation of treated effluent to meet irrigation distribution system demands and to more effectively utilize available resources. The proposed NWRF would have the capability of discharging reclaimed water into a deep injection well as backup during low irrigation demand periods. It will not discharge effluent to surface water. The NWRF would be located on a greenfield site in the midst of residential areas, subject to tight site constraints. The design is also required to minimize impacts associated with construction activities. As a result, consideration of new and alternative process technologies was considered to be highly appropriate. Includes tables.
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发布单位或类别: 美国-美国给水工程协会
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