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Table 2 The effects of anionic, cationic and nonionic polymer (0.5 mg/L) at different doses of PAC on the tile wastewater (at optimum pH = 7)

From: Optimization and economic evaluation of modified coagulationflocculation process for enhanced treatment of ceramic-tile industry wastewater

Polymers Parameter Dose of PAC (mg/L)
150 200 250 300 350 400
Anionic polymer Turbidity (%) 99.11 99.31 99.54 99.66 99.66 99.65
TSS (%) 99.3 99.44 99.61 99.72 99.72 99.72
COD (%) 67.75 78.12 78.75 85.12 81.15 75.5
Color (%) 55.42 67.05 79.45 87.2 87.2 87.2
Cationic polymer Turbidity (%) 99.03 99.23 99.46 99.58 99.55 99.55
TSS (%) 99.14 99.32 99.52 99.64 99.6 99.6
COD (%) 37.5 41.25 47.47 52.5 51.5 49.9
Color (%) 48.83 53.87 59.3 62.4 61.62 61.62
Nonionic polymer Turbidity (%) 98.85 99.06 99.28 99.41 99.39 99.33
TSS (%) 99 99.18 99.37 99.48 99.46 99.42
COD (%) 59.7 64 65 76.25 75.5 65
Color (%) 43.41 48.44 51.93 55.03 55.03 53.1