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Degradation of Chloramphenicol Using Ti-Sb/attapulgite Ceramsite Particle Electrodes

Degradation of Chloramphenicol Using Ti-Sb/attapulgite Ceramsite Particle Electrodes

Yongjun Sun, Aowen Chen, Sichen Zhu, Wenquan Sun, Kinjal J Shah, Huaili Zheng

Water Environ Res. 2019 Aug;91(8):756-769.

PMID: 30912206

Abstract:

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/cm2 current intensity, 3 cm electrode distance, 5,000 μS/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 (kW h)/kg CAP. PRACTITIONER POINTS: Attapulgite ceramsite with good physical performance was prepared. The removal efficiencies for CAP in water by Ti-Sb/attapulgite ceramsite particle electrodes were studied. CAP was effectively removed by 3-D electrode system. CAP removal was significantly influenced by operational parameters. Three-dimensional electrode system shows good degradation ability.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP31961021-B	O-Methyl-O′-succinylpolyethylene glycol 5′000		31961-02-1	Price

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