Novel Electrochemical Treatment of Spent Caustic from the Hydrocarbon Industry Using Ti/BDD

Figure 7

Evaluation of the use of UV light ( nm). Removal of COD and TOC in spent caustic corresponding to the simple sample using Ti/BDD, applying 0.96 A ( A cm⁻²), under constant stirring, pH 1 (adjustment with H₂SO₄) and  h. Images of (a) in the absence of UV light, (b) in the presence of UV light ( nm), and (c) photolysis.