Abstract
A macroporous silica-based silver loaded adsorbent was synthesized by grafting the silver complexes of thiourea (Ag(tu)3NO3) into a silica-based copolymer support (SiO2-P). The adsorbent was used to uptake iodide anions (I-) by batch and column techniques. The kinetic and saturated adsorption experiments were carried out by varying the shaking times and initial concentration of I-. Experimental results shown that the kinetic adsorption of I- was controlled by a pseudo second order model and the saturated adsorption of I- was controlled by the chemisorption mechanism, which followed a Langmuir adsorption equation. The breakthrough curve of I- had a S-shaped profile. The column efficiency was estimated to be over 90%.
Original language | English |
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Article number | 030301 |
Journal | Nuclear Science and Techniques |
Volume | 26 |
Issue number | 3 |
DOIs | |
Publication status | Published - 2015 Jun 15 |
Externally published | Yes |
Keywords
- Grafting
- Iodide anion
- Macroporous silica-based support
- Radioactive contaminated wastewater
- Silver complexes of thiourea
ASJC Scopus subject areas
- Nuclear and High Energy Physics
- Nuclear Energy and Engineering