%0 Journal Article
%T Sorption of cadmium onto Mg-Fe Layered Double Hydroxide (LDH)-Kiwi branch biochar
%A Aisheng Ma
%A Caiyun Wang
%A Guilong Zhang
%A Huimin Sun
%A Nong Wang
%A Xianqiang Yin
%A Yuehui Tan
%J Environmental Pollutants and Bioavailability
%D 2019
%R https://doi.org/10.1080/26395940.2019.1604165
%X ABSTRACT The Cd(II) adsorption of kiwi biochar functionalized with Mg-Fe (3:1) layered double hydroxides (LDH) was studied. And the biochar was got via liquid-phase deposition, by incorporating Mg-Fe layered double hydroxide (Mg-Fe LDH) particles into kiwi biochar (KB/LDH). The batch of sorption experiments were studied, including adsorption kinetics and isotherm and the effects of pH, ion strength (IS) and co-existing ions. The KB/LDH composite showed a strong sorption ability to Cd(II) in aqueous solutions with the adsorption capacity of 25.6 mg g£¿1, compared with pristine biochar of 1.78 mg g£¿1. The adsorption of Cd(II) on KB/LDH composite increased with the decreasing of IS, decreased first and then grew larger with the increase of pH and was observed irrespective of the co-existence of K+, Cl£¿ and NO3£¿. To sum up, the KB/LDH can be potentially used as an alternative adsorbent to amend the water and soil contaminated by Cd(II)
%U https://www.tandfonline.com/doi/full/10.1080/26395940.2019.1604165