典型文献
Degradation of tiamulin by a packed bed dielectric barrier plasma combined with TiO2 catalyst
文献摘要：
Recently,a plasma catalyst was employed to efficiently degrade antibiotic residues in the environment.In this study,the plasma generated in a packed bed dielectric barrier reactor combined with TiO2 catalyst is used to degrade the antibiotic tiamulin(TIA)loaded on the surface of simulated soil particles.The effects of applied voltage,composition of the working gas,gas flow rate and presence or absence of catalyst on the degradation effect were studied.It was found that plasma and catalyst can produce a synergistic effect under optimal conditions(applied voltage 25 kV,oxygen ratio 1％,gas flow rate 0.6 1 min-1,treatment time 5 min).The degradation efficiency of the plasma combined with catalyst can reach 78.6％,which is 18.4％higher than that of plasma without catalyst.When the applied voltage is 30 kV,the gas flow rate is 1 l min-1,the oxygen ratio is 1％and the plasma combined with TiO2 catalyst treats the sample for 5 min the degradation efficiency of TIA reached 97％.It can be concluded that a higher applied voltage and longer processing times not only lead to more degradation but also result in a lower energy efficiency.Decreasing the oxygen ratio and gas flow rate could improve the degradation efficiency.The relative distribution and identity of the major TIA degradation product generated was determined by high-performance liquid chromatography-mass spectrometry analysis.The mechanism of TIA removal by plasma and TiO2 catalyst was analyzed,and the possible degradation path is discussed.
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中图分类号：
作者姓名：
Kun YANG;Hongwei SHEN;Yueyue LIU;Yang LIU;Pingji GE;Dezheng YANG
作者机构：
School of Science,Shihezi University,Shihezi 832003,People's Republic of China;Key Laboratory of Environmental Monitoring and Pollutant Control of Xinjiang Bingtuan,Shihezi University,Shihezi 832003,People's Republic of China;Key Lab of Materials Modification,Dalian University of Technology,Ministry of Education,Dalian 116024,People's Republic of China
文献出处：
引用格式：
[1]Kun YANG;Hongwei SHEN;Yueyue LIU;Yang LIU;Pingji GE;Dezheng YANG-.Degradation of tiamulin by a packed bed dielectric barrier plasma combined with TiO2 catalyst)[J].等离子体科学和技术（英文版）,2022(09):117-126
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AB值：
0.470317
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