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Articles 451 - 451 of 451
Full-Text Articles in Chemical Engineering
The Reduction Of Oxygen To Hydrogen Peroxide In An Acidic Trickle Bed Cell Using Graphite Chip Cathode, Zhaoe Lu, Guanyong Zhang, Tiangeng Zhong, Guonu Fang
The Reduction Of Oxygen To Hydrogen Peroxide In An Acidic Trickle Bed Cell Using Graphite Chip Cathode, Zhaoe Lu, Guanyong Zhang, Tiangeng Zhong, Guonu Fang
Journal of Electrochemistry
The authors investigated the electrochemical reduction of oxygen to hydrogen peroxide in 0.05 mol/L H2SO4 solution by the trickle bed electrode using graphite chip. The bed dimension was 14×5×0.6 cm. The current efficiency and the concentration of H2O2 in the catholyte were determined at various current strengths and various rates of adding the electrolyte. The proper current was 0.15 A. i.e. the current density was 2.1 mA/cm2 vertical cross section area of the bed. The concentration of H2O2 reached 7×10-3 mol/L with the current efficiency of 0.2. If the …