Hydraulic characterization and optimization of total nitrogen removal in an aerated vertical subsurface flow treatment wetland.

@article{Boog2014HydraulicCA,
  title={Hydraulic characterization and optimization of total nitrogen removal in an aerated vertical subsurface flow treatment wetland.},
  author={Johannes Boog and Jaime Nivala and Thomas Aubron and Scott D Wallace and Manfred van Afferden and Roland Arno Mueller},
  journal={Bioresource technology},
  year={2014},
  volume={162},
  pages={166-74}
}
In this study, a side-by-side comparison of two pilot-scale vertical subsurface flow constructed wetlands (6.2 m(2)×0.85 m, q(i)=95 L/m(2) d, τ(n)=3.5 d) handling primary treated domestic sewage was conducted. One system (VA-i) was set to intermittent aeration while the other was aerated continuously (VAp-c). Intermittent aeration was provided to VA-i in an 8 h on/4 h off pattern. The intermittently aerated wetland, VA-i, was observed to have 70% less nitrate nitrogen mass outflow than the… CONTINUE READING

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