Researchers at the University of Missouri-Rolla (UMR) are involved in the construction of a wetland near a mine and smelter plant in southeastern Missouri. According to Mark Fitch, wetlands are an effective way to trap and remove lead and other toxins from water because of the chemical reaction that occurs among the natural materials that make up a wetland. Fitch is an associate professor of civil, architectural and environmental engineering at UMR. The wetland also forms type of filter, letting the water seep through and leaving the lead, zinc and other toxins behind. "A wetland constructed correctly may be effective for more than 30 years," said Fitch. Doe Run, headquartered in St. Louis, MO, has allowed UMR to use its Doe Run Buick Resource Recycling facility in Boss, MO as a test site for the project. Based on UMR's research, the recycling facility designed a wetland the size of a football field. The recycling facility is a prime location for the man-made wetland because it will keep chemicals released during the recycling process from getting into the water.
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机译：密苏里州罗拉大学（UMR）的研究人员参与了密苏里州东南部矿山和冶炼厂附近的湿地建设。根据马克·菲奇（Mark Fitch）的说法，由于构成湿地的天然材料之间会发生化学反应，因此湿地是一种从水中捕集和去除铅及其他毒素的有效方法。 Fitch是UMR的土木，建筑和环境工程副教授。湿地还形成过滤器的类型，使水渗漏并留下铅，锌和其他毒素。惠誉说：“正确建造的湿地可能有效超过30年。” Doe Run总部位于密苏里州圣路易斯，已允许UMR将其位于密苏里州Boss的Doe Run Buick资源回收设施用作该项目的测试地点。根据UMR的研究，回收设施设计了一个足球场大小的湿地。回收设施是人造湿地的主要场所，因为它将防止回收过程中释放的化学物质进入水中。
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