Two-stage biofilter for effective NH3 removal from waste gases containing high concentrations of H2S.

@article{Chung2007TwostageBF,
  title={Two-stage biofilter for effective NH3 removal from waste gases containing high concentrations of H2S.},
  author={Ying-Chien Chung and K C Ho and Ching-Ping Tseng},
  journal={Journal of the Air & Waste Management Association},
  year={2007},
  volume={57 3},
  pages={337-47}
}
A high H2S concentration inhibits nitrification when H2S and NH3 are simultaneously treated in a single biofilter. To improve NH3 removal from waste gases containing concentrated H2S, a two-stage biofilter was designed to solve the problem. In this study, the first biofilter, inoculated with Thiobacillus thioparus, was intended mainly to remove H2S and to reduce the effect of H2S concentration on nitrification in the second biofilter, and the second biofilter, inoculated with Nitrosomonas… CONTINUE READING

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