@article{XIA2022, 
author = {Yin XIA and Yueying LIU and Lijuan WANG and Guocheng LYU and Hao LIU and Libing LIAO},
title = {Adsorption Properties of Heavy Metal Ions in Water by Vermiculite},
year = {2022},
journal = {Journal of the Chinese Ceramic Society},
volume = {50},
number = {5},
pages = {1357-1363},
keywords = {vermiculite, adsorption, heavy metal ions, permeable reactive barrier, water-treatment},
url = {https://www.sciopen.com/article/10.14062/j.issn.0454-5648.20210543},
doi = {10.14062/j.issn.0454-5648.20210543},
abstract = {In this paper, the adsorption behavior and mechanism of Cu2+、Pb2+、Zn2+ and Mn2+ ions in the leachate of polymetallic sulfide tailings with vermiculite from Yuli Xinjiang, China were investigated. The results indicate that the adsorption capacities of vermiculite for Cu2+, Pb2+, Zn2+, Mn2+ ions are 49.53 mg/g, 108.00 mg/g, 44.11 mg/g, 32.47 mg/g, respectively, and the monolayer adsorption process follows the Langmuir isothermal adsorption model. The adsorption mechanism is due to a combined effect of interlayer ion exchange, surface static electricity and surface complexation. Vermiculite as a filler reaches the equilibrium concentration for 528 h, and the running time is longer under the dynamic adsorption condition. This work can provide a guidance for the design and optimization of vermiculite as an adsorbent for removal of heavy metal ions in groundwater.}
}