Environmental Science
8 years ago

Planting Acorus calamus in wetlands boosts pollutant removal efficiency significantly.

Shengtaixue zazhi
Effects of different C/N ratios in subsurface Acorus calamus constructed wetland on pollutant removal efficiency
Shuqing An

Paper Summary

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The study looked at how different levels of carbon and nitrogen affect the removal of pollutants in wetlands with Acorus calamus plants. They found that wetlands with plants removed more COD and TN compared to those without plants. Acorus calamus increased COD and TN removal by 10.53% and 6.73%, respectively. However, it didn't have a significant effect on TP removal. The removal efficiency of pollutants varied with different C/N ratios in the influent. The plants accumulated nitrogen and phosphorus in their aboveground and belowground parts, which helped in removing these nutrients from the wetland system.