College of Nuclear Science and Technology, Harbin Engineering University, Harbin 150001, China.
Yantai Research Institute and Graduate School, Harbin Engineering University, Yantai 264006, China.
Molecules. 2021 Feb 12;26(4):978. doi: 10.3390/molecules26040978.
The low cost β-zeolite and ethylenediamine modified β-zeolite (EDA@β-zeolite) were prepared by self-assembly method and used for Cu(II) removal from contaminated aqueous solution. Removal ability of β-zeolite toward Cu(II) was greatly improved after ethylenediamine (EDA) modification, the removal performance was greatly affected by environmental conditions. XPS results illustrated that the amide group played important role in the removal process by forming complexes with Cu(II). The EDA@β-zeolite showed desirable recycling ability. The finding herein suggested that the proposed composite is a promising and suitable candidate for the removal of Cu(II) from contaminated natural wastewater and aquifer.
采用自组装法制备了低成本β-沸石和乙二胺改性β-沸石（EDA@β-沸石），并将其用于去除受污染水溶液中的 Cu(II)。乙二胺（EDA）改性后，β-沸石对 Cu(II)的去除能力大大提高，去除性能受环境条件的影响很大。XPS 结果表明，酰胺基在去除过程中通过与 Cu(II)形成配合物发挥了重要作用。EDA@β-沸石表现出良好的可回收能力。本研究表明，所提出的复合材料是一种很有前途和合适的候选材料，可用于去除受污染的天然废水中和含水层中的 Cu(II)。
