浮萍（Lemna gibba L.）和小浮萍（Lemna minor L.）对土耳其凯班某矿区坑道水中铜、铅、锌和砷的去除潜力。
The potential of Lemna gibba L. and Lemna minor L. to remove Cu, Pb, Zn, and As in gallery water in a mining area in Keban, Turkey.
作者信息
Sasmaz Merve, Arslan Topal Emine Işıl, Obek Erdal, Sasmaz Ahmet
机构信息
Firat University, Dept. of Environmental Engineering, Elazığ 23119, Turkey.
Firat University, Dept. of Bioengineering, Elazığ 23119, Turkey.
出版信息
J Environ Manage. 2015 Nov 1;163:246-53. doi: 10.1016/j.jenvman.2015.08.029. Epub 2015 Aug 29.
This study was designed to investigate removal efficiencies of Cu, Pb, Zn, and As in gallery water in a mining area in Keban, Turkey by Lemna gibba L. and Lemna minor L. These plants were placed in the gallery water of Keban Pb-Zn ore deposits and adapted individually fed to the reactors. During the study period (8 days), the plant and water samples were collected daily and the temperature, pH, and electric conductivity of the gallery water were measured daily. The plants were washed, dried, and burned at 300 °C for 24 h in a drying oven. These ash and water samples were analyzed by ICP-MS to determine the amounts of Cu, Pb, Zn, and As. The Cu, Pb, Zn and As concentrations in the gallery water of the study area detected 67, 7.5, 7230, and 96 μg L(-1), respectively. According to the results, the obtained efficiencies in L. minor L. and L. gibba L. are: 87% at day 2 and 36% at day 3 for Cu; 1259% at day 2 and 1015% at day 2 for Pb; 628% at day 3 and 382% at day 3 for Zn; and 7070% at day 3 and 19,709% at day 2 for As, respectively. The present study revealed that both L. minor L. and L. gibba L. had very high potential to remove Cu, Pb, Zn, and As in gallery water contaminated by different ores.
本研究旨在调查土耳其凯班某矿区廊道水中铜、铅、锌和砷被槐叶萍和浮萍去除的效率。将这些植物置于凯班铅锌矿矿床的廊道水中，并分别放入反应器中单独培养。在研究期间（8天），每天采集植物和水样，并每天测量廊道水的温度、pH值和电导率。将植物洗净、干燥后，在干燥箱中于300℃燃烧24小时。通过电感耦合等离子体质谱仪（ICP-MS）分析这些灰分和水样，以确定铜、铅、锌和砷的含量。研究区域廊道水中铜、铅、锌和砷的浓度分别检测到67、7.5、7230和96μg L⁻¹。结果显示，浮萍和槐叶萍对铜的去除效率在第2天为87%，第3天为36%；对铅的去除效率在第2天分别为1259%和1015%；对锌的去除效率在第3天分别为628%和382%；对砷的去除效率在第3天为7070%，第2天为19709%。本研究表明，浮萍和槐叶萍在去除受不同矿石污染的廊道水中的铜、铅、锌和砷方面具有很高的潜力。
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