Table 1 Basic characteristics of pig manure and inoculum used in the present study
From: Feeding controls H2S production in situ in high solid anaerobic digestion
Items | Swine manure | Inoculum |
|---|---|---|
pH | 7.09 ± 0.00 | 8.19 ± 0.00 |
Total solid content (%) | 38.31 ± 0.25 | 9.43 ± 0.58 |
Volatile solid content (%) | 79.85 ± 0.17 | 66.43 ± 0.32 |
Volatile fatty acid (mg/L) | 2345 ± 184 | – |
Total sulfur (mg/L) | 695 ± 25 | – |
S-sulfate (mg/L) | 36.5 ± 0.4 | – |
S-total sulfide (mg/L) | 252.9 ± 5.7 | – |
S-soluble sulfide (mg/L) | 6.1 ± 0.7 | – |