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| Table 4. Removal of sulfide in sulfide medium prior to biogas production. |
Parameter |
Abiotic control |
Alcaligenes sp. T307 |
||
(mg L-1)* |
0 h |
20 h |
0 h |
20 h |
pH |
7.30±0.23 |
7.32 ±0.26 |
7.33±0.18 |
8.44±0.21 |
Viable cells (cfu ml-1) |
0 |
0 |
8.36±0.15 |
9.72±0.18 |
Total sulfide (TS) |
71.1±1.3 |
72±1.5 |
72.1±1.4 |
12.1±0.15 (83.22%) |
Dissolved sulfide |
61.6±0.56 |
62.1±0.61 |
60.6±0.47 |
17.1±0.31 (71.78%) |
Hydrogen sulfide (H2S) |
0.74±0.09 |
0.63±0.07 |
0.73±0.08 |
0.07 ±0.002 (90.41) |
Sulfate |
456±6.8 |
468±7.3 |
442±5.7 |
449±5.5 |
*Unless stated, mean value and standard deviation of four determinations |
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