Table 1 Results of the mathematical maximization of the correlations obtained (Eqs. 2, 3 and 4), with Eqs. (5 and 6) as constrain values
From: Efficiency of integrated electrooxidation and anaerobic digestion of waste activated sludge
Variables maximized | Initial total solids (%) | ||||||
|---|---|---|---|---|---|---|---|
1.0 | 2.0 | 3.0 | 3.1 | 3.2 | 3.4 | 3.5 | |
Current density (mA/cm2) | 25.28 | 27.58 | 29.88 | 30.11 | 30.34 | 30.8 | 31.03 |
BMPmax (N-L CH4/kg VS) | 219.9 | 278.2 | 332.3 | 337.5 | 342.6 | 352.8 | 357.8 |
COD removal (%) | 45.6 | 50.8 | 57.6 | 58.4 | 59.2 | 60.8 | 61.6 |
VS removal (%) | 47.4 | 39.8 | 25.9 | 24.1 | 22.3 | 18.5 | 16.5 |