Removal of ibuprofen, naproxen and 17-β-estradiol in water using L. octovalvis constructed wetlands.

IF 3.4 4区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES
D L Cobarrubias-Escamilla, H A Saldarriaga-Noreña, J Vergara-Sánchez, M A Murillo-Tovar, G E Moeller-Chávez
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Abstract

This study was developed to evaluate the removal potential of ibuprofen, naproxen and 17-β-estradiol in artificial wetlands constructed on a laboratory scale, using eight experimental devices planted with L. octovalvis species, tested with gravel substrate and without gravel substrate, which were fortified with synthetic mixtures at concentrations of 1, 2 and 5 mg/L of the three compounds, during a batch exposure time of nine days. The removal efficiency for 17-β-estradiol was 94.5 ± 2.47%, followed by ibuprofen 94.03 ± 1.96% and naproxen 81.57 ± 8.74%, respectively. The treatment with the highest removal was the one performed without the presence of gravel substrate. The highest removal efficiency occurred from the third day of exposure for the three compounds, so it was established as the optimum residence time. The model that best explained the adsorption process of the three compounds studied, was the Langmuir isotherm. The observed results demonstrate that L. octovalvis can be used as a native species in artificial wetlands for the efficient removal of pharmaceutical compounds.

利用八价酵母构建湿地去除水中的布洛芬、萘普生和 17-β-estradiol
本研究旨在评估布洛芬、萘普生和 17-β-estradiol 在实验室规模的人工湿地中的去除潜力。本研究使用了八个实验装置,这些装置种植了八维藻类,并在有砾石基质和无砾石基质的情况下进行了测试,测试中添加了浓度为 1、2 和 5 mg/L 的合成混合物,批量暴露时间为九天。17-β-estradiol 的去除率为 94.5 ± 2.47%,其次分别是布洛芬 94.03 ± 1.96% 和萘普生 81.57 ± 8.74%。去除率最高的处理是在没有砾石基质的情况下进行的处理。三种化合物的最高去除率出现在接触的第三天,因此这一天被确定为最佳停留时间。最能解释所研究的三种化合物的吸附过程的模型是朗缪尔等温线。观察结果表明,八维藻可以作为人工湿地中的原生物种,用于有效去除药物化合物。
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来源期刊
International Journal of Phytoremediation
International Journal of Phytoremediation 环境科学-环境科学
CiteScore
7.60
自引率
5.40%
发文量
145
审稿时长
3.4 months
期刊介绍: The International Journal of Phytoremediation (IJP) is the first journal devoted to the publication of laboratory and field research describing the use of plant systems to solve environmental problems by enabling the remediation of soil, water, and air quality and by restoring ecosystem services in managed landscapes. Traditional phytoremediation has largely focused on soil and groundwater clean-up of hazardous contaminants. Phytotechnology expands this umbrella to include many of the natural resource management challenges we face in cities, on farms, and other landscapes more integrated with daily public activities. Wetlands that treat wastewater, rain gardens that treat stormwater, poplar tree plantings that contain pollutants, urban tree canopies that treat air pollution, and specialized plants that treat decommissioned mine sites are just a few examples of phytotechnologies.
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