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(a) The effect of contact time on TP removal based on nCPs using Fenton-based system (Condition: pH, 3.0; the initial dosage of CP and nCPs, 0.2 g; Ca2+/Fe2+ molar ratio, 6; initial glyphosate concentration, 50 mg/L; RT; 150 rpm). (b) Comparison of total removal efficiency of CP and nCPs.
