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- W2350564393 abstract "Pure PbO2 electrode and PbO2 powder porous electrode which was modified by adding graphite and activated carbon powder, were prepared by high pressure molding. The electrode properties were evaluated by means of SEM and cyclic voltammetry. Furthermore, the electrocatalytic property was further examined through the treatment of ammonia-nitrogen wastewater. It was showed that PbO2 powder porous electrode was better in view of electrical conductivity and electrocatalytic activity and the optimum mass percentage of graphite and activated carbon powder was 15% to 20%. Removal efficiency of ammonia nitrogen was improved continuously with increasing current density and increasing concentration of chloride ion added. Besides, ammonia-nitrogen removal efficiency reduced continuously with increasing pH when the initial pH was between 3.0-10.0, but increased when that was between 11.0-12.0. The treatment of ammonia-nitrogen wastewater by PbO2 powder porous electrode was due to strong oxidizing substances, such as · OH, HClO and ClO-, which were produced by the electrocatalytic activity of anode, and the ammonia-nitrogen was finally oxidized into NOx gas mainly with N2 and with small amount of nitrate nitrogen." @default.
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- W2350564393 date "2012-01-01" @default.
- W2350564393 modified "2023-09-28" @default.
- W2350564393 title "Research on the Treatment of Ammonia-nitrogen Wastewater by Lead Dioxide Power Porous Electrode" @default.
- W2350564393 hasPublicationYear "2012" @default.
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