摘要

       综合人工湿地（ICWs）被认为是农村生活污水污染物最重要的去除技术之一。本研究调查了 ICW 的效率，该 ICW 由一个调节池、四个地表和地下流动建造的湿地以及一个用于从农村生活废水中去除抗生素和抗生素抗性基因 (ARG) 的稳定单元组成。结果表明，抗生素白霉素、氧氟沙星、林可霉素和磺胺二甲嘧啶和 ARG sul1、sul2、tetM 和 tetO 分别是进水中的主要抗生素和 ARG。 ICW 系统可以显着减少大多数检测到的抗生素和 ARG，其水溶液去除率分别为 78% 至 100% 和 >99%。根据测得的浓度，进水中抗生素的总污染负荷为 3,479 微克/天，最终出水中的总污染负荷为 199 微克/天。因此，人工湿地可能是农村废水去除抗生素和 ARGs 等污染物的一项有前途的技术。

       Integrated constructed wetlands (ICWs) are regarded as one of the most important removal technology for pollutants in rural domestic wastewaters. This study investigated the efficiency of an ICW consisting of a regulating pool, four surface and subsurface flow-constructed wetlands, and a stabilization unit for removing antibiotics and antibiotic resistance genes (ARGs) from rural domestic wastewaters. The results showed that antibiotics leucomycin, ofloxacin, lincomycin, and sulfamethazine, and ARGs sul1, sul2, tetM, and tetO were the predominant antibiotics and ARGs in the influent, respectively. The ICW system could significantly reduce most of the detected antibiotics and ARGs with their aqueous removal rates of 78 to 100 % and >99 %, respectively. Based on the measured concentrations, the total pollution loadings of antibiotics were 3,479 μg/day in the influent and 199 μg/day in the final effluent. Therefore, constructed wetlands could be a promising technology for rural wastewater in removing contaminants such as antibiotics and ARGs.

https://link.springer.com/article/10.1007/s11356-014-2800-4