Research Article
Cryptogamic Packed Biofilter as Potential Adsorbent for CO2, NH3, and H2S Impurities from Biogas
Table 2
Domestic biodigesters used for the analysis.
| | Digester type | Digester volume (m3) | Feedstock | Volume gas column (m3) | Max pressure (mbar) | Raw gas composition |
| | L1 | 16 | Domestic sewage and garden wastes | 4 | 107.8 | 68–72% CH4, 38–40% CO2, 6–14 ppm NH3, 498–913 ppm H2S | | L2 | 9 | Rougher garden wastes and overflow from L1 | 0.8 | 84.3 | 64–66% CH4, 34–38% CO2, 3–7 ppm NH3, 80–110 ppm H2S |
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