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Fig. 8 | Sustainable Environment Research

Fig. 8

From: Electrochemical degradation of methylene blue accompanied with the reduction of CO2 by using carbon nanotubes grown on carbon fiber electrodes

Fig. 8

Effect of initial concentration of MB on the efficiency of electrochemical degradation by using CNTs/CFM as both cathode and anode under an applied current of 50 mA and electrolyte of 0.1 M H2SO4 (initial pH value of 1.83). Initial MB concentration of △: 5 mg L− 1; ◇: 10 mg L− 1; ▢: 15 mg L− 1 and ○: 20 mg L− 1

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