Synthesis of magnetic graphene nanocomposites decorated with ionic liquids for fast lead ion removal.
作者： Weiyan Sun , Leilei Li , Chuannan Luo , Lulu Fan
DOI: 10.1016/J.IJBIOMAC.2015.09.061
关键词:
摘要: Seeking highly-efficient, low-cost and robust methods to remove metal ions from aqueous solutions is very much in demand. Here, we developed a novel magnetic composite bio-adsorbent, graphene oxide chitosan-ionic liquids (GOMCS-ILs), for removing Pb(II) water. This was the first time combine ionic chitosan, apply adsorption of ions. The addition can not only improve dispersivity adsorbent, but also increase sites. characteristic result FTIR, SEM, XRD showed that GOMCS-ILs were prepared with large surface area good responsiveness. influence various analytical parameters on such as pH, contact time, initial ion concentration studied detail. followed pseudo second order kinetics. equilibrium well-described by Langmuir isotherm model maximum capacity be 85mgg(-1). Moreover, could repeatedly used simple treatment without obvious structure performance degradation. These results demonstrated potential applications microspheres efficient removal wastewater deep-purification polluted
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