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Bromate Formation and Cryptosporidium parvum Disinfection During Ozone Treatment of Natural Waters 天然水体臭氧处理过程中溴酸盐的形成和微小隐孢子虫的消毒
发布日期: 2000-01-01
微小隐孢子虫卵囊失活和溴酸盐形成的动力学是近年来深入研究的主题。由于涉及的数学复杂性,计算机建模已被用于预测,尤其是臭氧诱导溴酸盐的形成。然而,以前的大多数研究都局限于实验室规模的臭氧接触器,在该接触器中,流体动力条件通常被设计为理想的。最近,人们尝试对一个间歇式臭氧接触器和一个气流进行综合计算机模拟- 通过外部再循环的气泡扩散反应器。这两个模型都已通过臭氧分解、溴酸盐生成和微小隐孢子虫灭活数据进行了验证,这些数据使用了实验室规模的间歇式磷酸盐缓冲DDI水和流通式臭氧接触器。本研究的总体目标是开发和应用一个综合模型,在全尺寸臭氧接触器中同时预测微小隐球菌卵囊失活和溴酸盐形成。对模型进行了详细描述。包括22个参考文献,表1。
The kinetics of Cryptosporidium parvum oocyst inactivation and bromate formationhas been the subject of intensive research efforts in recent years. Computer modeling has been employed to predict, in particular, the ozone-induced formation of bromate because of the complexity of the mathematics involved. However, most of the previous studies have been confined to a laboratory-scale ozone contactor in which hydrodynamic conditions were often designed to be ideal. An integrated computer simulation was recently attempted for a batch ozone contactor and a flow-through bubble-diffuser reactor with external recirculation. Both models have been verified with ozone decomposition, bromate formation, and C. parvum inactivation data using phosphate-buffered DDI water in the laboratory-scale batch and flow-through ozone contactors. The overall objective of this study is the development and application of an integrated model to simultaneously predict C. parvum oocyst inactivation and bromate formation in full-scale ozone contactors. A detailed description of the model is presented. Includes 22 references, table.
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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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