亚利桑那州以温暖著称。高温加上亚利桑那州的干旱 气候要求亚利桑那州的市政当局从不寻常的来源生产水。一 例如，古德伊尔市（City），亚利桑那州的12B井设施，砷、氟 总溶解固体（TDS）使未经处理的地下水无法饮用。 此外，环境地下水温度在103F到107F之间 聚合物膜系统的温度极限。 在这些条件下，常规反渗透（RO）系统的运行是非常困难的 不寻常；由于盐截留率降低，因此需要高性能膜 由高温引起的。其他治疗挑战包括低水平 地下水中的钙含量，加上高氟化物水平，限制了反渗透 处理绕过混合，并对产品水施加额外限制 稳定。 相比之下，这座城市使用类似的反渗透膜来去除盐分和硝酸盐 Bullard Water校园的环境地下水温度范围为77F至 80F。尽管12B井的工作范围在大多数反渗透装置的能力范围内 投影软件，没有很多市政系统使用反渗透来处理水 在这些温度条件下，将预测值与可实现值进行比较 价值观是有限的。 本文介绍并比较了两个设施的运行数据，以说明 普通高截留率微咸水膜在不同温度下的性能差异 相当不同的温度条件。包括5个参考文献、表格、图表。

Arizona is a state known for warmth. High temperatures, coupled with Arizona's dry climate require that municipalities in Arizona produce waters from unusual sources. An example is the City of Goodyear (City), Arizona's Well 12B facility where arsenic, fluoride and Total Dissolved Solids (TDS) make untreated groundwater undrinkable. Additionally, the ambient groundwater temperature ranges from 103F to 107F pushing the temperature limits of a polymeric membrane system. Operation of a conventional reverse osmosis (RO) system under these conditions is uncommon; a high performance membrane is required because of decreased salt rejection caused by the elevated temperature. Additional treatment challenges include low levels of calcium in the groundwater coupled with high fluoride levels, which limit RO treatment bypass blending and place additional constraints on product water stabilization. By comparison, the City uses similar RO membranes for salt and nitrate removal at the Bullard Water Campus where the ambient groundwater temperature ranges from 77F to 80F. Although the operating range at Well 12B is within the capabilities of most RO projection software, there are not a lot of municipal systems that use RO to treat water at these temperature conditions and comparison of projected values to achievable values is limited. This paper presents and compares operational data from both facilities to illustrate the differences in performance of a common high rejection brackish water membrane under considerably different temperature conditions. Includes 5 references, tables, figures.