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Performance of Cloth-Membrane Filters on Wastewater Secondary Effluent Blended With Surface Water for Unrestricted Water Reuse 布膜过滤器对污水二级出水与地表水混合后无限制回用的性能
发布日期: 2000-01-01
内华达州瓦肖县在南特鲁基牧场进行了为期五周的试点试验 用于评估布膜过滤和次氯酸钠的回收设施(STMWRF) 消毒符合州水质法规,用于无限制的复垦用途。基于 根据内华达州水质法规,过滤器的目标性能条件包括废水 总悬浮固体(TSS)浓度小于5 mg/L且浊度水平小于2.0的质量 台大。消毒废水质量标准包括最大总大肠菌群限值2.2 MPN。 因为STMWRF用改道的溪水补充二级污水,以满足当地的再利用 根据需水量,试验装置在三种模式下运行:仅工厂废水;混合污水和小溪 水只有小溪水。中试结果表明,当布料- 膜过滤装置 有效产生符合性能标准的过滤二级出水,该装置 未成功处理混合和仅溪水条件。包括表格、数字。
Washoe County, Nevada, conducted a five-week pilot test at the South Truckee Meadows Water Reclamation Facility (STMWRF) to evaluate cloth-membrane filtration and sodium hypochlorite disinfection in meeting state water quality regulations for unrestricted reclamation uses. Based on the Nevada Water Quality Regulations, the targeted performance conditions for the filter included effluent quality of total suspended solids (TSS) concentrations less than 5 mg/L and turbidity levels less than 2.0 NTU. The disinfection effluent quality standards included a maximum total coliform limit of 2.2 MPN. Since the STMWRF supplements secondary effluent with diverted creek water to meet the local reuse water demand, the pilot unit was operated in three modes: plant effluent only; blended effluent and creek water; and creek water only. The pilot test results showed that, while the cloth-membrane filter unit effectively produced filtered secondary effluent meeting the performance criteria, the unit was unsuccessful in treating the blended and creek-water only conditions. Includes tables, figures.
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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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