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. Author manuscript; available in PMC: 2020 Mar 9.
Published in final edited form as: Chem Eng J. 2017 Dec 30;338:709–718. doi: 10.1016/j.cej.2017.12.152

Fig. 7.

Fig. 7

Comparison of H2O2 cathodic reduction by graphite plate and RVC foam cathode under different current intensity. Conditions: total volume of 180 mL, 0.05 mol/L Na2SO4, initial pH of 7, the initial H2O2 concentration of 2 mmol/L.