New heterocycle modified chitosan adsorbent for metal ions (II) removal from aqueous systems
作者： Nadia G. Kandile , Hemat M. Mohamed , Mansoura I. Mohamed
DOI: 10.1016/J.IJBIOMAC.2014.07.042
关键词: Qualitative inorganic analysis 、 Aqueous solution 、 Chitosan 、 Metal ions in aqueous solution 、 Adsorption 、 Metal 、 Chemistry 、 Fourier transform infrared spectroscopy 、 Inorganic chemistry 、 Benzaldehyde
摘要: A new hydrogel based on a modified chitosan CS-B was synthesized and evaluated for its metal ion removal from aqueous systems. The prepared through modification of with 4-((1, 3-dioxoisoindolin-2-ylimino) methyl) benzaldehyde as heterocyclic component. analyzed by diverse techniques such FTIR, XRD, TGA, SEM, swelling tests. adsorption capacity ions Co2+, Hg2+, Cu2+, Zn2+, Pb2+ systems at different pH values showed various levels efficiency. uptake data over range Co2+ Hg2+ the highest while moderate capacity. Selective efficiency lowest in their binary mixture.
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