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Single and competitive sorption of sulfadiazine and chlortetracycline on loess soil from Northwest China
Jiang, Yufeng1; Zhang, Qian1; Deng, Xueru1; Nan, Zhijiang1; Liang, Xinru1; Wen, Hong1; Huang, Kui1; Wu, Yingqin2
2020-08-01
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume263Pages:10
AbstractThe fate of veterinary antibiotics (VAs) in soil environment is determined by the hydrophilic performance and solubility of VAs and the type of soil. In this study, sulfadiazine (SDZ) and chlortetracycline (CTC) were selected as target pollutants, and a batch sorption method was used to find out the single and sorption competitive behavior and mechanism of the target pollutants on loess soil. Kinetic studies showed the apparent sorption equilibrium was reached 0-6 h for CTC and 0-12 h for SDZ. The sorption kinetics of VAs on loess soil were fitted well with a pseudo-second order kinetic model. Sorption thermodynamic data indicated the isotherm sorption of both SDZ and CTC on loess soil was fitted well with Freundlich isothermal (R-2, 0.960-0.975) and linear models (R-2, 0.908-0.976). The sorption affinity of CTC (K-d, 290-1620 L/kg for CTC) was much greater than that of SDZ (K-d, 0.6-4.9 L/kg for SDZ). The results also suggest that SDZ may be easily mobilized or leached from loess soil at neutral and alkaline pH, while CTC may be easily mobilized or leached at neutral pH. The sorption of each single target pollutant on the outer layer complex decreased with increasing ionic strength. Higher initial concentrations resulted in greater sorption capacity of target pollutants on loess soil increased. The sorption capacities of CTC and SDZ in the mixed system were lower than the sorption capacity of each single system, showing a competitive sorption behavior of CTC and SDZ during the sorption process. Overall, CTC showed the highest sorption potential in loess soil, whereas SDZ showed a high leaching risk in loess soil. These findings contribute to understanding the fate of different VAs in loess in the natural environment. (C) 2020 Elsevier Ltd. All rights reserved.
KeywordChlortetracycline Sulfadiazine Sorption models Competitive sorption
DOI10.1016/j.envpol.2020.114650
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University
WOS KeywordANTIBIOTIC-RESISTANCE GENES ; VETERINARY ANTIBIOTICS ; SULFONAMIDE ANTIBIOTICS ; AQUEOUS-SOLUTION ; WASTE-WATER ; ORGANIC-MATTER ; BISPHENOL-A ; ADSORPTION ; OXYTETRACYCLINE ; TETRACYCLINE
Language英语
Funding ProjectNational Natural Science Foundation of China[21966020] ; National Natural Science Foundation of China[41772147] ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University ; Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000539426400095
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96908
Collection兰州油气中心
Corresponding AuthorJiang, Yufeng
Affiliation1.Lanzhou Jiaotong Univ, Coll Environm & Municipal Engn, Lanzhou 730070, Gansu, Peoples R China
2.Chinese Acad Sci, Key Lab Petr Resources Res, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Yufeng,Zhang, Qian,Deng, Xueru,et al. Single and competitive sorption of sulfadiazine and chlortetracycline on loess soil from Northwest China[J]. ENVIRONMENTAL POLLUTION,2020,263:10.
APA Jiang, Yufeng.,Zhang, Qian.,Deng, Xueru.,Nan, Zhijiang.,Liang, Xinru.,...&Wu, Yingqin.(2020).Single and competitive sorption of sulfadiazine and chlortetracycline on loess soil from Northwest China.ENVIRONMENTAL POLLUTION,263,10.
MLA Jiang, Yufeng,et al."Single and competitive sorption of sulfadiazine and chlortetracycline on loess soil from Northwest China".ENVIRONMENTAL POLLUTION 263(2020):10.
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