Research Article

Cryptogamic Packed Biofilter as Potential Adsorbent for CO2, NH3, and H2S Impurities from Biogas

Figure 5

Soil mass effect of the filter RE. Test conditions:  ml/min,  g,  g,  g,  kPa, % for CO2, 13 ppm for NH3, and 836 ppm for H2S.