Rate enhancing effect of bromide on the removal of ammonia at Ti/PbO2 anode |
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| Authors: | Neti Nageswara Rao Killedar Deepak Kaul Santosh Narain |
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| Affiliation: | National Environmental Engineering Research Institute, Nehru Marg, Nagpur--440020, India. wwtdiv@nagpur.dot.net.in |
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| Abstract: | Electrochemical oxidation of ammonium (NH4+) at Ti/PbO2 anode in chloride-free and chloride containing aqueous solutions was studied. The experimental results have shown that oxidation of NH4- is ensured only in the presence of chloride. The oxidation of NH4+ is found to follow pseudo first-order kinetics. Bromide in the electrolyte is found to cause substantial rate enhancing effect on the ammonium removal. The dependence of k on the current density as well as halide concentration is also discussed in this study. |
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