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Trace-Level Wastewater-Related Compounds in New Jersey's Streams and their Persistence through a Conventional Water Treatment Plant 新泽西州溪流中的痕量废水相关化合物及其通过常规水处理厂的持久性
发布日期: 2003-11-02
在新泽西州23条溪流的33个地点以及全国各地的选定地点采集的水样 对传统的水处理厂进行了分析,以确定100多种有机污染物的浓度 废水相关化合物(OWC),包括抗生素和其他药物活性物质 化合物、香料、阻燃剂、增塑剂、植物和动物类固醇、洗涤剂代谢物、, 农药、石油使用和燃烧的副产品以及其他广泛使用的化学品。其中很多 化合物可能来自城市污水处理厂(WWT)的废水。一些 然而,杀虫剂和植物甾体等化合物可能来自非点源或非点源 消息来源。水的原水、沉淀水、过滤水和成品水样本- 处理厂和 每周从向工厂提供原水的两条溪流中收集水,为期4周。 包括香料、药品、阻燃剂和增塑剂在内的几种化合物 在溪水和原水供应的样本中经常检测到,也经常在 在整个WT工厂收集的样本表明,这些化合物不易通过过滤去除 传统的WT工艺。在溪水和原水样本中经常检测到的其他化合物 药品、动植物类固醇、消毒剂和洗涤剂等用品 成品水样本中未检测到代谢物,表明这些代谢物的浓度 化合物被有效地降低到低于分析检测限的水平,或者化合物被 通过传统的水处理工艺转化为方法无法确定的降解物 用于本研究。仅包含摘要。
Water samples collected at 33 sites on 23 streams throughout New Jersey and at select locations throughout a conventional water-treatment plant were analyzed to determine the concentrations of over 100 organic wastewater-related compounds (OWCs) including antibiotics and other pharmaceutically active compounds, fragrances, flame-retardants, plasticizers, plant and animal steroids, detergent metabolites, pesticides, byproducts of oil use and combustion, and other extensively used chemicals. Many of these compounds are likely derived from effluent from municipal wastewater-treatment (WWT) plants. Some compounds, however, such as pesticides and plant steroids could be derived from nonpoint or nonanthropogenic sources. Samples of raw water, settled water, filtered water, and finished water from the water-treatment plant and from the two streams that provide raw water to the plant were collected weekly for a 4-week period. Several compounds including fragrances, pharmaceuticals, flame retardants, and plasticizers that were frequently detected in samples of stream water and raw-water supplies also were frequently detected in samples collected throughout the WT plant, indicating that these compounds resist removal through conventional WT processes. Other compounds frequently detected in samples of stream water and raw water supplies including pharmaceuticals, plant and animal steroids, disinfectants, and detergent metabolites were not detected in samples of finished water, indicating that concentrations of these compounds are effectively reduced to levels less than analytical detection limits or that the compounds are transformed through conventional water-treatment processes to degradates not determined by the methods used in this study. Includes abstract only.
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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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