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IMPACT OF WASTEWATER DISINFECTION ON REUSE APPLICATIONS

机译:废水消毒对重用应用的影响

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The United States does not have federal effluent quality or treatment standards for reclaimed water. Each state has adopted different regulations and guidelines, with California (under Title 22) recognized as one of the states with a comprehensive set of high effluent water quality treatment process requirements (California Department of Public Health, 2009). In terms of disinfection, the chlorine disinfection requirements in California for unrestricted reuse applications is specified as a CT value (the product of total chlorine residual and modal contact time measured at the same point) of not less than 450 mg-min/L with a modal contact time (time for highest concentration to pass through contact basin) of at least 90 minutes, based on peak dry weather design flow. Other states with well developed recycled water requirements include Florida, Washington, Arizona and Texas.
机译:美国没有联邦污水质量或再生水的治疗标准。每个国家采用了不同的法规和指导方针,加利福尼亚州(下标题22号文件下)被认为是具有全面的高污水水质处理过程要求的国家之一(加州公共卫生部,2009)。在消毒方面,加利福尼亚氯对不受限制的再利用申请的氯消毒要求被指定为CT值(在同一点测量的总氯残留和模态接触时间的产物)不小于450 mg-min / L.基于峰值干燥天气设计流动,模态接触时间(通过接触盆地通过的最高浓度)至少90分钟。其他具有良好的回收水需求的国家包括佛罗里达州,华盛顿州,亚利桑那州和德克萨斯州。

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