Short-term harmful effects of ammonia nitrogen on activated sludge microfauna.

  title={Short-term harmful effects of ammonia nitrogen on activated sludge microfauna.},
  author={Jaume Puigagut and Humbert Salvad{\'o} and J. Garc{\`i}a},
  journal={Water research},
  volume={39 18},
The response of activated sludge microfauna in terms of abundance and diversity has been analysed to evaluate both the toxic effect of ammonia nitrogen and the acclimatisation capacity of these microorganisms to its toxicity. The harmful effect of ammonia nitrogen was studied by means of two toxicological tests. The ammonia concentrations tested were: 9, 20, 30 and 50mg NH4+-N/l in the first toxicological test and 30, 40, 50 and 80 mg NH4+-N/l in the second. The results suggest that ammonia… CONTINUE READING

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