4.7 Article

The highly effective removal of Cs+ by low turbidity chitosan-grafted magnetic bentonite

Journal

JOURNAL OF HAZARDOUS MATERIALS
Volume 301, Issue -, Pages 8-16

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2015.08.033

Keywords

Cesium ion; Adsorption; Chitosan; Bentonite; Seawater

Funding

  1. Japan Society for the Promotion of Science (JSPS) [25600120]
  2. Grants-in-Aid for Scientific Research [25600120] Funding Source: KAKEN

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Chitosan-grafted magnetic bentonite (CS-g-MB) was successfully synthesized via a plasma-induced method. The CS-g-MB composite shows good magnetic properties, low turbidity, and high stability in aqueous solution and exhibits significant adsorption capacity for Cs+ ions. The adsorption of Cs+ by CS-g-MB is dependent on both pH and ionic strength. In the presence of Mg2+, K+, Li+, and Na+ ions, the Cs+ exchange is constrained in the order of Li+ approximate to Mg2+

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