Preparing of novel fibrous ligand exchange adsorbent for rapid column-mode trace phosphate removal from water

We developed a potentially high-performance adsorbent for sustainable treatment of soluble inorganic trace phosphate from water by zirconium(IV) loaded bifunctional fibers. In the presence of common Cl super(-) and SO sub(4) super(2-), phosphate adsorption was not adversely affected but slightly enh...

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Bibliographic Details
Published in:Journal of industrial and engineering chemistry (Seoul, Korea) 2014, 20(5), , pp.2840-2847
Main Authors: Awual, Md. Rabiul, Shenashen, M.A., Jyo, Akinori, Shiwaku, Hideaki, Yaita, Tsuyoshi
Format: Article
Language:English
Subjects:
Adsorbents
Adsorption
Anions
Arsenates
Flow rate
Ligands
Phosphates
Reuse
화학공학
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Summary:We developed a potentially high-performance adsorbent for sustainable treatment of soluble inorganic trace phosphate from water by zirconium(IV) loaded bifunctional fibers. In the presence of common Cl super(-) and SO sub(4) super(2-), phosphate adsorption was not adversely affected but slightly enhanced due to co-ion and Donnan invasion mechanism. Trace phosphorus (0.0143 mM) was also removed in presence of relatively high amounts of competing anions at high feed flow rate (850 h super(-1)). In competitive arsenate and phosphate adsorption, this novel adsorbent slightly preferred phosphate to arsenate. The adsorbent is reversible and keeps remaining functionality to further reuse in many cycles.
ISSN:1226-086X
1876-794X
DOI:10.1016/j.jiec.2013.11.016