期刊论文

Huang, Yanjun;Zhang, L

英文

International Journal of Biological Macromolecules

0141-8130

2024

264

Pt 1

130410

10.1016/j.ijbiomac.2024.130410

CRediT authorship contribution statement Xueling Liu: Formal analysis, Investigation, Writing – original draft. Yajing Wang: Investigation, Visualization. Xiaofen Wu: Investigation, Validation. Yi Wang: Formal analysis, Resources. Guozhi Fan: Project administration, Supervision. Yanjun Huang: Conceptualization, acquisition, Methodology, Writing – review & editing. Lei Zhang: Methodology, Supervision, Writing – review & editing.

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In this study, magnetic DTPA-modified chitosan composite microspheres (MDCM) were prepared by reverse emulsion-double crosslinking method (carbodiimide followed by glutaraldehyde) for removal of Pb(II) from aqueous solution. The obtained magnetic adsorbents were characterized by FTIR, SEM, XRD, VSM, BET, and (13)C NMR. The effects of the pH, contact time, initial concentration, and competitive metal cations (Na(I), Ca(II), or Mg(II)) on Pb(II) adsorption were investigated. The results revealed that MDCM exhibited high removal performance over a wide pH range and in the presence of competitive ...