Highly efficient removal of radioactive cesium by sodium-copper hexacyanoferrate-modified magnetic nanoparticles

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• 作者：Kyu Sun Hwang^a ; ^b ; Chan Woo Park^a ; Kune-Woo Lee^a ; So-Jin Park^b ; ^{sjpark@cnu.ac.kr} ; Hee-Man Yang^a ; ^{hmyang@kaeri.re.kr} ; ^{heeman0416@gmail.com}
• 关键词：Sodium-copper hexacyanoferrate ; Magnetic nanoadsorbent ; Radioactive cesium ; Polyethyleneimine
• 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
• 出版年：2017
• 出版时间：5 March 2017
• 年：2017
• 卷：516
• 期：Complete
• 页码：375-382
• 全文大小：1703 K
• 卷排序：516

文摘

Sodium-copper hexacyanoferrate-modified magnetic nanoparticles were successfully prepared. The nanoparticles have an excellent adsorption capacity with good selectivity to Cs. The nanoparticles effectively removed Cs over a wide pH range. The nanoparticles could be separated rapidly by an external magnetic field. The magnetic absorbent shows promise in the treatment of 137Cs-contaminated water.