Title : Facile preparation of EDTA-functionalized magnetic chitosan for removal of co(II) from aqueous solutions.

Pub. Date : 2021 Apr

PMID : 31543028






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1 In this study, an efficient adsorption and reusable magnetic ligand material (Fe3O4@Chitosan-EDTA) was synthesized by binding EDTA dianhydride onto magnetic chitosan, and it was employed in removal of Co(II) from aqueous solution. ferryl iron mitochondrially encoded cytochrome c oxidase II Homo sapiens
2 The maximum adsorption capacity of Co(II) onto Fe3O4@CS-EDTA was 48.78 mg/g at pH = 5 (303 K), which is much higher than that of Fe3O4@Chitosan as well as chitosan. ferryl iron mitochondrially encoded cytochrome c oxidase II Homo sapiens
3 The maximum adsorption capacity of Co(II) onto Fe3O4@CS-EDTA was 48.78 mg/g at pH = 5 (303 K), which is much higher than that of Fe3O4@Chitosan as well as chitosan. ferryl iron mitochondrially encoded cytochrome c oxidase II Homo sapiens
4 The kinetics of Co(II) on the Fe3O4@CS-EDTA was consistent with the pseudo-second-order model. ferryl iron mitochondrially encoded cytochrome c oxidase II Homo sapiens
5 Furthermore, after four cycles, the adsorption capacity of Co(II) onto the Fe3O4@CS-EDTA still retained 84.5% of the capacity of the fresh adsorbent, indicating that Fe3O4@CS-EDTA can be considered a promising recyclable adsorbent to remove heavy-metal ions from wastewater. ferryl iron mitochondrially encoded cytochrome c oxidase II Homo sapiens
6 Furthermore, after four cycles, the adsorption capacity of Co(II) onto the Fe3O4@CS-EDTA still retained 84.5% of the capacity of the fresh adsorbent, indicating that Fe3O4@CS-EDTA can be considered a promising recyclable adsorbent to remove heavy-metal ions from wastewater. ferryl iron mitochondrially encoded cytochrome c oxidase II Homo sapiens