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Table 1 Characteristics and chemical properties of sludge samples (S1–S6) employed as inoculum for anaerobic digestion

From: Biochemical methane potential of microalgae biomass using different microbial inocula

Parameter S1 S2 S3 S4 S5 S6
Location Valladolid Chiclana La Reguera Chiclana Chiclana Chiclana
Substrate adaptation Activated sludge Activated sludge Activated sludge Microalgae Microalgae Microalgae
Temperature adaptation Meso- Meso- Meso- Meso- Psyc- Therm-
VS/TS 0.64 0.64 0.58 0.71 0.77 0.69
VSS/TSS 0.78 0.82 0.76 0.76 0.79 0.87
VSS/TS 0.56 0.62 0.58 0.47 0.51 0.60