학회 | 한국공업화학회 |
학술대회 | 2016년 봄 (05/02 ~ 05/04, 여수 엑스포 컨벤션) |
권호 | 20권 1호 |
발표분야 | 콜로이드계면화학_포스터 |
제목 | Effect of cobalt ions on desorption of cesium from clays by polyelectrolytes |
초록 | Among various clay minerals, a montmorillonite displays the highest cesium adsorption capacity, and cesium ions are adsorbed mainly on montmorillonite interlayers by less extractable inner-sphere complexation. For this reason, irreversible adsorption of cesium has frequently observed, and desorption of cesium ions from montmorillonites has been challenged. We investigated adsorption of polyelectrolytes on montmorillonite and consequent desorption of interlayer cations as well as adsorbed cesium ions. Cationic polyelectrolytes showed efficient adsorption on montmorillonite and removed interlayer cations by cation exchange reaction. We also investigated an effect of coexisting ions on desorption of cesium from montmorillonite by polyelectrolyte intercalation. |
저자 | 박찬우1, 김보현2, 이근우1, 서범경1, 문제권1 |
소속 | 1한국원자력(연), 2충남대 |
키워드 | Desorption; polyelectrolyte; cesium; clay |