Abstract

In this study, the pseudo wastewater containing Zn, Fe, Cu ions was clean-up by a combination of physical adsorption onto activated carbon medium and phytoaccumulation using Acrostichum aureum Linn. plants. The adsorption capability of the activated carbon for the Fe, Cu, and Zn ions was 3.05, 3.72, and 2.85 mg·g − 1, respectively, at the saturation. The phytoaccumulation performance was proved by analyzing the individual residual ash collected after pyrolysis up to 1000 °C of the leaf, stem, and root of the plants. Thermal analyses of thermogravimetry data showed that the weight of the residual ash of the phytoremediated leaf, stem, and root of the plants was 37.0, 19.0, and 65.7 wt.%, respectively. Energy-dispersive X − ray spectroscopy determined the amount of Fe element in the residual ash of phytoremediated root is 7.05 wt.%, while that of the initial root is 1.18 wt.%. Conclusively, it can be proved that combining physical and biological processes is feasible to treat wastewater containing metal ions.

摘要

在这项研究中，通过将物理吸附到活性炭介质上并利用金黄色芦荟进行植物富集相结合，净化了包含Zn，Fe，Cu离子的假废水。林恩 植物。活性炭对Fe，Cu和Zn离子的吸附能力在饱和时分别为3.05、3.72和2.85 mg·g -1。通过分析高达1000°C的植物的叶，茎和根热解后收集的单个残留灰分，证明了植物的累积性能。热重数据的热分析表明，植物修复的叶，茎和根的残留灰分的重量分别为37.0、19.0和65.7重量％。能量色散X射线光谱法测定了植物修复根的残留灰分中的Fe元素含量为7.05 wt。％，而初始根的含量为1.18 wt。％。结论是，可以证明，将物理和生物过程结合起来处理含金属离子的废水是可行的。