Abstract:
This study investigates the effectiveness of vertical flow constructed wetlands (VFCWs) planted with a climbing ornamental plant for on-site treatment of real laundry wastewater. Specifically, the presence or absence of Trachelospermum jasminoides was evaluated for the removal performance of conventional pollutants (turbidity, TSS, COD, TP) and benzotriazoles (BTRs): 1H-benzotriazole (BTR), 5-methyl-1H-benzotriazole (5-TTR), 5-chlorobenzotriazole (CBTR), and xylytriazole (XTR). Results revealed that high removal efficiencies ranging from 92 to 98% were presented in both planted and unplanted systems for turbidity, TSS, and COD. Moreover, high removal rates were observed for CBTR and XTR, which were the only compounds found in real laundry wastewater, in both VFCW systems (planted: 100%; 94%; unplanted: 87%; 92%, respectively). The contribution of plants to the pollutant\'s removal was not statistically significant for all examined parameters. However, T. jasminoides demonstrated the ability to survive and grow without any visible symptoms under the harsh conditions of laundry wastewater, enabling the development of green facade. According to the findings, the application of VFCWs for on-site laundry wastewater treatment in buildings seems to be a highly promising solution, not only for primarily removing conventional pollutants but also for addressing emerging contaminants, specifically BTRs.
摘要:
这项研究调查了种植攀援观赏植物的垂直流人工湿地(VFCW)对实际洗衣废水进行现场处理的有效性。具体来说,对传统污染物的去除性能(浊度,TSS,COD,CODTP)和苯并三唑(BTR):1H-苯并三唑(BTR),5-甲基-1H-苯并三唑(5-TTR),5-氯苯并三唑(CBTR),和二甲苯基三唑(XTR)。结果表明,在种植和未种植的系统中,浊度的去除效率从92%到98%不等。TSS,和COD。此外,对CBTR和XTR的去除率较高,这是真正洗衣废水中发现的唯一化合物,在两个VFCW系统中(种植:100%;94%;未种植:87%;92%,分别)。对于所有检查的参数,植物对污染物去除的贡献没有统计学意义。然而,T.jasminoides证明了在洗衣废水的恶劣条件下生存和生长的能力,没有任何可见的症状,促进绿色立面的发展。根据调查结果,将VFCW应用于建筑物中的现场洗衣废水处理似乎是一个非常有前途的解决方案,不仅用于主要去除常规污染物,还用于解决新出现的污染物,特别是BTR。