Immobilization of potassium copper hexacyanoferrate in doubly crosslinked magnetic polymer bead for highly effective Cs+ removal and facile recovery
作者： Yun Kon Kim , Kyeonghui Bae , Yonghwan Kim , David Harbottle , Jae W. Lee
DOI: 10.1016/J.JIEC.2018.07.028
关键词:
摘要: Abstract A potassium copper hexacyanoferrate (KCuHCF) embedded magnetic hydrogel bead (HCF-Mbead) was synthesized via a facile double crosslinking methods of Fe3+ ionic binding and freeze-thaw for effective Cs+ removal. The HCF-Mbead had hierarchical porous structure facilitating fast access ions to active sites. adsorbent showed enhanced removal properties in terms capacity (69.2 mg/g), selectivity (Kd = 4 × 104 mL/g, 1 ppm seawater) stability (>99.5% pH 3 ∼ 11) with rapid separation. This study further opens the possibility develop an efficient material that links integration adsorption recovery.
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