A Method for the Simultaneous Cleansing of H₂S and SO₂

Figure 4

Polarization curves for electrodes from DG + 20% CoPc, with different electrolytes: (a) 10 g·L⁻¹ H₂SO₃ + 18 g·L⁻¹ NaCl; (b) 10 g·L⁻¹ H₂SO₃ + 1 M NaOH; (c) 10 g·L⁻¹ H₂SO₃ + 18 g·L⁻¹ NaCl + 1 M NaOH; = 25°C.