废水处理性能的比较:传统与混的水平流构建湿地
Zorai Ameur1, Ait Mechedal Mouloud2,3, Salhi Imane2
1Faculty of Construction Engineering, Department of Hydraulics, Mouloud Mammeri University of Tizi-Ouzou, Tizi-Ouzou, Algeria.
International journal of phytoremediation
|April 7, 2025
概括
与传统的水平流系统 (HFCW) 相比,混水平流建造湿地 (BHFCW) 显著提高了污染物如TSS,BOD5,COD和化合物的废水处理效率. BHFCW还减少了所需的面积和液压保留时间.
科学领域:
- 环境工程 环境工程
- 水处理技术水处理技术
- 建造的湿地 建造的湿地
背景情况:
- 建筑湿地 (CWs) 在废水处理方面是有效的.
- 在CW中优化流动动力学对于提高污染物去除至关重要.
- 水平流电压 (HFCW) 已被广泛使用,但可以改进.
研究的目的:
- 为了比较混水平流CW (BHFCW) 与传统HFCW的处理性能.
- 评估关键污染物的去除效率,包括TSS,BOD5,COD和各种形式.
- 评估流量修改对CW面积和液压保留时间 (HRT) 的影响.
主要方法:
- 实验室规模建造的湿地是使用多孔石建立的,并种植了"Typha latifolia".
- 测试了两个配置:传统的水平流 (HFCW) 和混乱的水平流 (BHFCW).
- 对于关键参数,如TSS,BOD5,COD,NH4+,NO3-,NO2-和正酸盐,对废水处理性能进行了监测.
主要成果:
- 与HFCW相比,BHFCW显示了BOD5 (86.00%),COD (84.17%) 和物种 (76.59% NH4+,86.39% NO3-, 92.22% NO2-) 的更高的去除效率.
- 高酸显示出类似的TSS (88.48%) 和更高的正酸盐 (84.15%) 的去除.
- 比起HFCW,BHFCW所需的面积减少了14%,HRT的时间比HFCW短了一天,在去除效果上有统计学上显著的差异 (p < 0.05).
结论:
- BHFCW是一种有前途的替代方案,可以增强建筑湿地的废水处理,特别是去除气.
- 通过混来修改流量可以提高处理效率,并减少CWs的物理足迹和运行时间.
- HFCW和BHFCW都适用于废水处理,BHFCW在性能和资源利用方面具有显著的优势.
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