Table 2.

Hydrogen sulfide production during accumulation of sulfates by SRB cultures from various ecotopes (M ± m, n = 3; where “M” is average, “m” is mean, and “n” is the number of repetitions).

Bacterial Cultures	SO42− at the Beginning (mmol L−1)	SO42− after 24 h Cultivation (mmol L−1)	S2− at the Beginning (mmol L−1)	S2− after 24 h Cultivation (mmol L−1)
D. desulfuricans DSM642	6.28 ± 0.446	1.43 ± 0.092	0.72 ± 0.066	4.53 ± 0.080
D. vulgaris DSM644	7.27 ± 0.379	1.37 ± 0.101	0.43 ± 0.040	4.18 ± 0.248
Desulfovibrio sp. 10	5.05 ± 0.121	0.83 ± 0.055	0.44 ± 0.038	3.83 ± 0.265
Desulfovibrio sp. TC2	5.56 ± 0.192	0.87 ± 0.193	1.01 ± 0.092	4.86 ± 0.289
Desulfotomaculun sp. TC3	6.35 ± 0.142	0.78 ± 0.028	0.78 ± 0.071	4.76 ± 0.298
Desulfomicrobium sp. TC4	5.43 ± 0.292	1.58 ± 0.156	0.43 ± 0.039	3.61 ± 0.256
Desulfovibrio piger Vib-7	3.50 ± 0.032	1.25 ± 0.110	0.30 ± 0.027	2.21 ± 0.192
Desulfomicrobium orale Rod-9	3.53 ± 0.030	1.34 ± 0.123	0.20 ± 0.018	1.97 ± 0.185