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首页> 外文期刊>Water Science >Improving drainage water quality: Constructed wetlands-performance assessment using multivariate and cost analysis
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Improving drainage water quality: Constructed wetlands-performance assessment using multivariate and cost analysis

机译：改善排水水质：使用多变量和成本分析的人工湿地性能评估

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Multivariate analysis of variance followed by multiple comparisons and discriminant function analysis were used to characterize the performance of three plant species (water hyacinth WH, reed RD and duckweed DW) to remove drainage water pollutants using constructed wetlands under the Egyptian conditions. In addition, a simple economic comparison that covers the basic expenses were carried out.During the period from January 2016 to December 2017, input and output water for each treatment cell was monthly sampled and analyzed for five parameters namely; Total Suspended Solids, Dissolved Oxygen, Biochemical Oxygen Demand, Ammonia-N and Phosphate.The results showed wide variation in the removal efficiency of the tested plants according to the monitored pollutants. The efficiencies for DW and WH decrease during the winter season. In the meantime, RD efficiency improves during summer.The cost estimation revealed that the average annual plantation, harvesting and disposal costs estimated for the DW, WH and RD were $6.17, $6.17 and $1.25 per cubic meter, respectively.Consequently, RD plants are recommended as a first priority for treating polluted drainage water.
机译：使用多变量方差分析，然后进行多次比较和判别函数分析来表征三种植物物种（水葫芦WH，芦苇RD和浮萍DW）在埃及条件下使用人工湿地去除排水污染物的性能。此外，还进行了涵盖基本费用的简单经济比较.2016年1月至2017年12月期间，每月对每个处理池的进水和出水进行采样并分析五个参数：总悬浮物，溶解氧，生化需氧量，氨氮和磷酸盐的结果表明，根据监测的污染物，被测植物的去除效率差异很大。在冬季，DW和WH的效率下降。同时，夏季的RD效率有所提高，成本估算显示，DW，WH和RD的年均人工林，采伐和处置成本估计分别为每立方米6.17美元，6.17美元和1.25美元，因此，建议使用RD厂。作为处理受污染的排水的首要任务。

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