Table 4.

SLES cleavage, SLES degradation, and sulfate accumulation by strain S11 at anoxic and oxic conditions, after 1 and 14 days of incubation (average values ± standard deviation)

	Time (days)	SO4 2− (mmol L−1)	SLEScleav (mmol L−1)	SLEScleav (%)	DOCdeg (%)
Anoxic	1	0.49 ± 0.01	0.42 ± 0.08	38.7 ± 4.8	28.6 ± 0.6
	14	0.82 ± 0.04	0.71 ± 0.09	65.6 ± 2.8	40.7 ± 5.2
Oxic	1	0.62 ± 0.03	0.80 ± 0.02	72.4 ± 2.3	56.4 ± 2.5
	14	0.70 ± 0.02	1.10 ± 0.02	99.6 ± 0.1	78.1 ± 0.8

Initial concentration of SLES was about 1.1 mmol L⁻¹, for both anoxic and oxic assays

SO ₄ ²⁻ sulfate accumulated in the medium, SLES _cleav SLES cleaved, DOC _deg SLES converted to biomass and CO₂