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Table 5 Predicted and actual observation data at the achieved optimum pretreatment

From: Process optimization and effect of thermal, alkaline, H2O2 oxidation and combination pretreatment of sewage sludge on solubilization and anaerobic digestion

Input VariablesResult
Temp (°C)pHH2O2 Concentr-ation (mg/g TS)Cumulative MP (mL/g VS)Increase MP (%)Increase of sCOD (g/g VS)COD solubiliza-tion (%)Decrease of VSS (g/g VS)VSS solubilization (%)Increase of protein (g/L)Increase of polysaccharide (g/L)
83.210.634.8PreActPreActPreActPreActPreActPreActPreActPreAct
54252972.671.117.117.926.928.217.918.145.445.73.353.550.460.42