Table 2.

Gompertz parameters calculated to model Y_CH4 progress in the four experiments

	C1		C2		C3		C4
PE	PP	Bf30	PVC	PP	PVC	PE	Bf30
Maximum YCH4	0.335	0.322	0.315	0.308	0.298	0.331	0.233	0.225
(LCH4 g CODrem−1)	±0.010	±0.006	±0.034	±0.012	±0.006	±0.007	±0.011	±0.012
Time for maximum YCH4	30	23	15	10	9	9	∞	∞
(Days)
MIR	0.017	0.045	0.02	0.033	0.089	0.076	0.0322	0.026
(LCH4 g CODrem−1)	±0.002	±0.009	±0.003	±0.006	±0.022	±0.013	±0.002	±0.004
λa	11.4352	10.004	1.637	0.926	4.287	1.612	6.761	11.615
(days)	±1.1043	±0.846	±1.208	±0.849	±0.246	±0.362	±0.515	±0.5920
R2	0.965	0.956	0.951	0.948	0.994	0.989	0.995	0.992
(%)

MIR, maximum increase rate of the methane yield.

^aLag-phase time.