几十年来，紫外线（UV）消毒已在美国用于废水处理。最近的研究表明，紫外线对化学消毒剂抗性病原体（尤其是隐孢子虫）灭活的有效性，已引起人们对紫外线消毒在地表水处理中的应用的极大兴趣。与废水应用不同，在废水应用中，消毒目标通常基于平均出水质量，饮用水应用要求始终可靠地实现消毒目标。此外，饮用水处理设施使用不常用于废水处理的化学品。 这两个问题为严格解决水处理化学品对紫外线消毒系统性能的影响提供了动力，也是本文的基础。包括4个参考文献、表格和图表。

Ultraviolet (UV) disinfection has been used in the U.S. for wastewater applications for decades. Recent developments demonstrating the effectiveness of UV for inactivation of chemical disinfectant resistant pathogens, most notably Cryptosporidium, has lead to great interest in the application of UV disinfection for treatment of surface waters. Unlike wastewater applications, where disinfection goals are generally based on average effluent quality, drinking water applicationsrequire that disinfection goals are reliably achieved at all times. In addition, drinking water treatment facilities apply chemicals not commonly used for wastewater treatment. These two issues provide the impetus to rigorously address the impact of water treatment chemicals on UV disinfection system performance and are the basis of this paper. Includes 4 references, tables, figures.