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Removal of sulfamethoxazole from salt-laden wastewater in constructed wetlands affected by plant species, salinity levels and co-existing contaminants
Y. X. Liang, H. Zhu, G. Banuelos, B. Shutes, B. X. Yan and X. W. Cheng
2018
发表期刊Chemical Engineering Journal
卷号341页码:462-470
其他摘要Constructed wetlands (CWs) have been applied to remove antibiotics under many conditions. However, the removal of antibiotics from saline wastewater in CWs is rarely studied, especially considering the constitution and configuration of CWs and influent water characteristics. In this current study, three experiments with two scales of CWs were conducted to investigate the influence of plant species, salinity levels and co-existing contaminants (nutrients and heavy metals) on the antibiotic sulfamethoxazole (SMX) removal. The four tested plant species did not show a significant influence on SMX removal in CW mesocosms when electrical conductivity (EC) was at 7 mS/cm, and the removal percentages of 73.1-74.8% and 70.1-76.3% for SMX were observed under low and high influent loads, respectively. High salinity level (EC at 30 mS/cm) significantly (p < 0.05) suppressed SMX removal under high influent SMX loads in CW microcosms. The addition of nutrients and heavy metals generally improved the removal of SMX (except for EC of 30 mS/cm treatment under high influent load) in CW microcosms, especially when the heavy metal concentrations were low. In conclusion, CWs can be a potential technology to efficiently remove SMX-like antibiotics from saline wastewater (EC < 30 mS/cm).
文献类型期刊论文
条目标识符http://ir.iga.ac.cn/handle/131322/9239
专题湿地生态系统管理学科组
推荐引用方式
GB/T 7714
Y. X. Liang, H. Zhu, G. Banuelos, B. Shutes, B. X. Yan and X. W. Cheng. Removal of sulfamethoxazole from salt-laden wastewater in constructed wetlands affected by plant species, salinity levels and co-existing contaminants[J]. Chemical Engineering Journal,2018,341:462-470.
APA Y. X. Liang, H. Zhu, G. Banuelos, B. Shutes, B. X. Yan and X. W. Cheng.(2018).Removal of sulfamethoxazole from salt-laden wastewater in constructed wetlands affected by plant species, salinity levels and co-existing contaminants.Chemical Engineering Journal,341,462-470.
MLA Y. X. Liang, H. Zhu, G. Banuelos, B. Shutes, B. X. Yan and X. W. Cheng."Removal of sulfamethoxazole from salt-laden wastewater in constructed wetlands affected by plant species, salinity levels and co-existing contaminants".Chemical Engineering Journal 341(2018):462-470.
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