IWA Publishing

Table 1

Kinetics of DCF degradation by Nb/BDD electrolysis employing different electrolytes

pH	Electrolytes	Concentration of electrolytes (mmol L⁻¹)	Current density (mA cm⁻²)	Electrode distance (cm)	Kinetic constant (min⁻¹)	Goodness of kinetic fit (R²)	Removal rate (%)
7	NO₃⁻	57	50	2	0.0263	0.9904	52.7
7	PO₄³⁻	53.3	50	2	0.0111	0.9974	28.6
7	SO₄²⁻	30	50	2	0.0429	0.9688	73.0

pH	Electrolytes	Concentration of electrolytes (mmol L⁻¹)	Current density (mA cm⁻²)	Electrode distance (cm)	Kinetic constant (min⁻¹)	Goodness of kinetic fit (R²)	Removal rate (%)
7	NO₃⁻	57	50	2	0.0263	0.9904	52.7
7	PO₄³⁻	53.3	50	2	0.0111	0.9974	28.6
7	SO₄²⁻	30	50	2	0.0429	0.9688	73.0