Nitrate removal in zero-valent iron packed columns.

  title={Nitrate removal in zero-valent iron packed columns.},
  author={Paul Westerhoff and Jennifer D James},
  journal={Water research},
  volume={37 8},
Nitrate removal by laboratory and field continuous-flow zero-valent iron (Fe(0)) packed bed columns was evaluated for different influent water qualities (pH, dissolved oxygen (DO), nitrate concentration) and several months of operation (600-1500 bed volumes (BVs)). In contrast to previous batch experiments with Fe(0) where nitrate was stoichiometrically converted to ammonium, only 70% of the applied nitrogen was recovered as nitrate, ammonium, or nitrite (<0.1mg/L) during shorter-term column… CONTINUE READING

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