Pseudo-first-order kinetics of DCF degradation by Nb/BDD electrolysis
pH . | Electrolyte . | Concentration of electrolyte (mmol L−1) . | Current density (mA cm−2) . | Electrode distance (cm) . | Kinetic constant (min−1) . | Goodness of kinetic fit (R2) . | Removal rate (%) . |
---|---|---|---|---|---|---|---|
5 | SO42− | 30 | 50 | 2 | 0.0964 | 0.9691 | 93.6 |
6 | SO42− | 30 | 50 | 2 | 0.0384 | 0.9847 | 68.3 |
7 | SO42− | 30 | 50 | 2 | 0.0429 | 0.9688 | 73.0 |
8 | SO42− | 30 | 50 | 2 | 0.0507 | 0.9825 | 77.7 |
9 | SO42− | 30 | 50 | 2 | 0.0766 | 0.9567 | 90.2 |
10 | SO42− | 30 | 50 | 2 | 0.1087 | 0.9743 | 99.8 |
7 | SO42− | 10 | 50 | 2 | 0.0166 | 0.9634 | 37.9 |
7 | SO42− | 20 | 50 | 2 | 0.0306 | 0.9782 | 57.5 |
7 | SO42− | 50 | 50 | 2 | 0.0635 | 0.9228 | 88.0 |
7 | SO42− | 30 | 20 | 2 | 0.0090 | 0.9972 | 22.6 |
7 | SO42− | 30 | 30 | 2 | 0.0108 | 0.9930 | 27.6 |
7 | SO42− | 30 | 100 | 2 | 0.1965 | 0.9877 | 100 |
7 | SO42− | 30 | 50 | 0.5 | 0.0339 | 0.9547 | 66.3 |
7 | SO42− | 30 | 50 | 1 | 0.0678 | 0.9890 | 89.5 |
pH . | Electrolyte . | Concentration of electrolyte (mmol L−1) . | Current density (mA cm−2) . | Electrode distance (cm) . | Kinetic constant (min−1) . | Goodness of kinetic fit (R2) . | Removal rate (%) . |
---|---|---|---|---|---|---|---|
5 | SO42− | 30 | 50 | 2 | 0.0964 | 0.9691 | 93.6 |
6 | SO42− | 30 | 50 | 2 | 0.0384 | 0.9847 | 68.3 |
7 | SO42− | 30 | 50 | 2 | 0.0429 | 0.9688 | 73.0 |
8 | SO42− | 30 | 50 | 2 | 0.0507 | 0.9825 | 77.7 |
9 | SO42− | 30 | 50 | 2 | 0.0766 | 0.9567 | 90.2 |
10 | SO42− | 30 | 50 | 2 | 0.1087 | 0.9743 | 99.8 |
7 | SO42− | 10 | 50 | 2 | 0.0166 | 0.9634 | 37.9 |
7 | SO42− | 20 | 50 | 2 | 0.0306 | 0.9782 | 57.5 |
7 | SO42− | 50 | 50 | 2 | 0.0635 | 0.9228 | 88.0 |
7 | SO42− | 30 | 20 | 2 | 0.0090 | 0.9972 | 22.6 |
7 | SO42− | 30 | 30 | 2 | 0.0108 | 0.9930 | 27.6 |
7 | SO42− | 30 | 100 | 2 | 0.1965 | 0.9877 | 100 |
7 | SO42− | 30 | 50 | 0.5 | 0.0339 | 0.9547 | 66.3 |
7 | SO42− | 30 | 50 | 1 | 0.0678 | 0.9890 | 89.5 |