Journal
WATER ENVIRONMENT RESEARCH
Volume 91, Issue 8, Pages 756-769Publisher
WILEY
DOI: 10.1002/wer.1106
Keywords
attapulgite; chloramphenicol; degradation; electro catalytic oxidation; particle electrode
Funding
- National Natural Science Foundation of China [51508268]
- National Key Research and Development Program of China [2017YFB0602500]
- 2018 Six Talent Peaks Project of Jiangsu Province [JNHB-038]
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Ti-Sb/attapulgite ceramsite particle electrodes were prepared for the efficient degradation of chloramphenicol (CAP) in wastewater. To observe the surface morphology and structural characteristics of the Ti-Sb/attapulgite ceramsite particle electrodes, Fourier transform infrared spectroscopy, X-ray fluorescence, scanning electron microscopy, and X-ray diffraction were used for characterization. Parameters affecting the degradation efficiency and the energy consumption of the Ti-Sb/attapulgite ceramsite particle electrodes, such as current density, electrode distance, initial pH, conductivity, air flow, and packing ratio, were examined. Results showed that the optimal conditions were 20 mA/cm(2) current intensity, 3 cm electrode distance, 5,000 mu S/cm conductivity, 2.0 L/min air flow, 50.0% packing ratio, and initial pH 1. The removal efficiency of chloramphenicol was 73.7% under the optimal conditions, and the energy consumption was 191.3 (kWh)/kg CAP. (C) 2019 Water Environment Federation
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