Department of Civil Engineering, Annapoorana Engineering College, Salem, Tamil Nadu, India.
Department of Environmental Engineering, Government College of Technology, Coimbatore, Tamil Nadu, India.
Environ Sci Pollut Res Int. 2022 Aug;29(40):61178-61186. doi: 10.1007/s11356-022-20264-4. Epub 2022 Apr 19.
Due to India's population expansion, water recycling is critical to reducing water scarcity. The purpose of this study is to discuss the recycling and reuse of domestic greywater. The horizontal subsurface flow constructed wetland (HSSF-CW) was employed to treat greywater, with bioenergy crops replacing decorative plants. CO 86032 and CO 15027 sugarcane varieties were employed for phytoremediation. In a laboratory-scale HSSF-CW system with dimensions of 0.92 m, 0.61 m, and 0.45 m, coarse aggregate (20 mm), brick jelly (20 mm), and red soil mixed with coir pith (1/3 of coir pith volume-based) were employed as filter materials. During a hydraulic retention time (HRT) of 2 to 48 h, the maximum removal efficiency of biochemical oxygen demand (BOD), chemical oxygen demand (COD), total suspended solids (TSS), and total nitrogen (TN) was 77.78-90%, 69.92-81.20%, 82-91.06%, and 75.83-84.02%, respectively.
由于印度人口的扩张，水资源的回收再利用对于缓解水资源短缺至关重要。本研究旨在探讨家庭灰水的回收和再利用。采用水平潜流人工湿地（HSSF-CW）处理灰水，并用生物能源作物替代装饰性植物。选用 CO 86032 和 CO 15027 两个甘蔗品种进行植物修复。在一个 0.92 m、0.61 m 和 0.45 m 的实验室规模的 HSSF-CW 系统中，使用粗骨料（20 毫米）、砖渣（20 毫米）和掺有椰糠（基于椰糠体积的 1/3）的红壤作为过滤材料。在水力停留时间（HRT）为 2 至 48 小时期间，生化需氧量（BOD）、化学需氧量（COD）、总悬浮固体（TSS）和总氮（TN）的最大去除效率分别为 77.78-90%、69.92-81.20%、82-91.06%和 75.83-84.02%。
