Optimized Design of Modular Constructed Wetland for Treating Rural Black–Odorous Water
Abstract
:1. Introduction
2. Materials and Methods
2.1. Material
2.2. Simulated Wastewater
2.3. System Construction
2.4. Sampling Analysis
2.4.1. Sampling and Analysis of Water
2.4.2. Sampling and Analysis of Microorganisms
2.5. Statistical Analyses
3. Results and Discussion
3.1. Construction of Wetland System Units
3.2. Contaminates’ Removal
3.2.1. Removal of COD
3.2.2. Removal of TN
3.2.3. Removal of NH4+-N
3.2.4. Removal of TP
3.2.5. Variation in Pollutants along the Route
3.3. Bacterial Community Diversity and Composition
3.3.1. Alpha Diversity Analysis
3.3.2. Bacterial Community Structure
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Water Quality Index | COD (mg/L) | TN (mg/L) | NH4+-N (mg/L) | NO3−-N (mg/L) | Organic Nitrogenous (mg/L) | TP (mg/L) |
---|---|---|---|---|---|---|
Low | 200 | 25 | 15 | 7 | 3 | 4 |
High | 400 | 51 | 30 | 15 | 6 | 7 |
Chemicals | CH3COONa·3H2O (g) | (NH4)2SO4 (g) | KNO3 (g) | CO(NH2)2 (g) | KH2PO5 (g) |
---|---|---|---|---|---|
Low | 29.7625 | 4.949 | 3.5385 | 0.4513 | 1.1923 |
High | 59.535 | 9.9 | 7.5825 | 0.9026 | 2.1496 |
Sample ID | OTUs | Shannon | Chao | Ace | Simpson | Coverage |
---|---|---|---|---|---|---|
M1 | 876 | 5.032578 | 988.286 | 965.121 | 0.22351 | 0.99678 |
M2 | 1247 | 5.961997 | 1374.86 | 1354.36 | 0.00591 | 0.99423 |
M3 | 624 | 5.411563 | 625.200 | 624.899 | 0.01161 | 0.99993 |
S1 | 942 | 5.664302 | 1087.32 | 1037.06 | 0.00852 | 0.99518 |
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Li, L.; Zhang, Z.; Shen, Y.; He, B.; Fu, Y.; Kou, S.; Gao, J. Optimized Design of Modular Constructed Wetland for Treating Rural Black–Odorous Water. Water 2024, 16, 2492. https://doi.org/10.3390/w16172492
Li L, Zhang Z, Shen Y, He B, Fu Y, Kou S, Gao J. Optimized Design of Modular Constructed Wetland for Treating Rural Black–Odorous Water. Water. 2024; 16(17):2492. https://doi.org/10.3390/w16172492
Chicago/Turabian StyleLi, Luyang, Zheng Zhang, Yu Shen, Bing He, Yuang Fu, Shuangshuang Kou, and Jingqing Gao. 2024. "Optimized Design of Modular Constructed Wetland for Treating Rural Black–Odorous Water" Water 16, no. 17: 2492. https://doi.org/10.3390/w16172492