宽叶香蒲人工湿地对铅/锌矿废水净化效能的研究

研究以宽叶香蒲（Typha latifolia)为优势种的人工湿地系统对广东省韶关市凡口铅／锌矿采矿废水净化性能。研究结果表明：宽叶香蒲人工湿地生态系统能有效地净化铅／锌矿废水。经系统处理后，COD、固体悬浮物、Pb、Zn、Cu、和Cd的去除率分别为92．19％、99．62％、93．98％、97．02％、96．87％和96．39％，水质得到明显改善。主要污染物TSS、Pb、Zn、Cu和Cd等均达到工业标准，并接近农灌标准。

Purification of Pb/Zn Mine Wastewater with Typha Latifolia Man-made Wetland

The efficiency of Typha latifolia Linn man-made wetland to treat the wastewater from a Pb/Zn mine at Shaoguan, Guangdong Province, was evaluated by monitoring water quality. The results show that the Pb/Zn mine wastewater could be effectively purified by the man-made wetland. After passing through the system，the water quality was obviously improved. The total suspended solids (TSS) reduced by 99.62%, COD by 92.19%，Pb by 93.98%，Zn by 97.02%，Cu by 96.87%，Cd by 96.39% respectively. With the restoration of wetland, the effectiveness of wetland on wastewater purification was also significantly improved.