Abstract
The effects of the main operation variables on the electrochemical oxidation of simulated tributyl phosphate (TBP) waste by a boron-doped diamond anode are individually studied. The optimum operating conditions are obtained as follows: 4 g L−1 initial TBP concentration, 180 min degradation time, 40 mA cm−2 current density, 0.5 mol L−1 Na2SO4 as the supporting electrolyte, and unadjusted pH of the aqueous phase. Under such conditions, a chemical oxygen demand (COD) removal ratio of 82.3% is achieved, and the energy consumption is 26.16 kWh m−3. A degradation mechanism of TBP is tentatively proposed.
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Financial supports from National Key Scientific Projects for Decommissioning of Nuclear Facilities and Radioactive Waste Management of China (14zg6101) and Longshan Academic Talent Research Supporting Program of SWUST (17LZX402) are greatly acknowledged.
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Zhou, Y., Yang, P., Pu, Y. et al. Electrochemical degradation of spent tributyl phosphate extractant by a boron-doped diamond anode. J Radioanal Nucl Chem 315, 29–37 (2018). https://doi.org/10.1007/s10967-017-5635-x
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DOI: https://doi.org/10.1007/s10967-017-5635-x