Electrochemical Degradation Characteristics of Refractory Organic Pollutants in Coking Wastewater on Multiwall Carbon Nanotube-Modified Electrode

Figure 4

UV-Vis spectra of coking wastewater oxidized by MWCNT-ME for (a) 0 min, (b) 30 min, (c) 60 min, (d) 120 min.