Research Article
Novel Electrochemical Treatment of Spent Caustic from the Hydrocarbon Industry Using Ti/BDD
Figure 5
UV-Vis analysis of the pH effect on the chemical state of phenol, using 30 mg L−1 of TOC in (a) 0.05 M NaOH/H2SO4 (pH 12–1), (b) 0.05 M NaOH/HCl (pH 12–1), and (c) ORP analysis under the same conditions to 298 K.
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