Stormwater pollution is a major cause of water quality impairment. Much of the existing gray stormwater infrastructures provide little or no treatment, especially for dissolved pollutants. Due to the capital cost of installing new infrastructure, retrofitting the existing gray infrastructures is a promising alternative to reduce stormwater pollution. In this study, aluminum-based drinking water treatment residuals (WTR), a byproduct from drinking water treatment, was combined with other common materials (sand and carbon material) to formulate an adsorbent media for use in catch basin inserts to remove total petroleum hydrocarbons (TPH), and dissolved Cu, Pb, and Zn from stormwater runoff. Hydraulic and treatment performance of the adsorbent media were optimized in laboratory column experiments. A dual-layer media, WTR-amended sand with a mass percentage of 5% WTR relative to sand over carbon material with the depth ratio of 1:3, was selected as optimal. The breakthrough curves correlated well with the Yan model. During the field study, influent and effluent samples were collected from two catch basins from eight storm events and analyzed for turbidity, pH, TPH, and dissolved Cu, Pb, and Zn. The median removal efficiencies of dissolved Cu, dissolved Pb, dissolved Zn, and TPH during the field study were 27.4%, 36.3%, 69.3%, and 45.6%, respectively. The removal of particulate-bound pollutants was indicated by the reduction of turbidity with the median removal efficiencies of 81.2%. A slight increase in pH was observed. There was no water ponding during the study. Our results show that this low-tech, low-cost adsorbent media is effective in reducing metal and organic pollutants in stormwater.

雨水污染是水质受损的主要原因。现有的许多灰色雨水基础设施很少或根本没有提供处理，特别是对于溶解的污染物。由于安装新基础设施的资金成本，改造现有的灰色基础设施是减少雨水污染的有前途的选择。在这项研究中，饮用水处理的副产品铝基饮用水处理残渣（WTR）与其他常见材料（沙和碳材料）混合，配制了一种吸附剂介质，用于集水盆插件中，以去除总石油烃（TPH），并从雨水径流中溶解了Cu，Pb和Zn。在实验室柱实验中优化了吸附剂介质的水力和处理性能。双层媒体 相对于含碳材料的砂（深度比为1：3），WTR修正砂的质量百分含量为5％。突破曲线与Yan模型很好地相关。在现场研究期间，从八个暴风雨事件的两个集水盆地收集了进水和出水样品，并分析了其浊度，pH，TPH和溶解的Cu，Pb和Zn。在实地研究中，溶解铜，溶解铅，溶解锌和TPH的中位去除效率分别为27.4％，36.3％，69.3％和45.6％。浊度降低表明去除了与颗粒结合的污染物，中位去除效率为81.2％。观察到pH值略有增加。研究期间没有积水。我们的结果表明，这种技术含量低，