Study on sorption of Cs from aqueous solution by microcapsules enclosing natural minerals

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題名:	Study on sorption of Cs from aqueous solution by microcapsules enclosing natural minerals
作者:	劉青原;Lee, Chuan-Pin;Wu, Ming-Chee;Tsai, Shih-Chin;Liu, Ching-Yuan;Tsai, Tsuey-Lin;Ou, Lu-Yen
貢獻者:	工學院化學工程與材料工程學系
關鍵詞:	Chemistry;Chemistry and Materials Science;Diagnostic Radiology;Hadrons;Heavy Ions;Inorganic Chemistry;Nuclear Chemistry;Nuclear energy;Nuclear Physics;Physical Chemistry;Zeolites
日期:	2016-03-01
上傳時間:	2026-04-21 14:49:54 (UTC+8)
出版者:	Springer Netherlands;Dordrecht: Springer Netherlands
摘要:	摘要： Zeolite, a natural mineral (Na 8 (AlO 2 ) 8 (SiO 2 ) 40 ·20H 2 O) with an exchanger having high selectivity toward Cs, was encapsulated in a biopolymer matrices (sodium alginate, NaALG). The sorption of Cs on different microcapsules was investigated using batch methods under different conditions, such as time (1–24 h), acid (0.1–6 M HNO 3 ), and salt concentration (0.001–1 M NaCl). Spherical and elastic granules were obtained, and the particle size of the microcapsules was about 700 μm. A relatively high sorption ratio of Cs (above 90 %) for MCs enclosing zeolite was obtained in the presence of 0.1–6 M HNO 3 and 0.001–1 M NaCl solutions, with an equilibrium being attained within 5 h. The sorption isotherm of Cs followed a Langmuir-type equation. The relatively larger K d value, 120 and 50 cm 3 /g, for Cs showed a selective sorption property in the presence of various metal ions under 2.5 M HNO 3 and 1 M NaNO 3 . 其他題名： J Radioanal Nucl Chem 出版者： Dordrecht: Springer Netherlands 出版日期： 2016-03-01 出處： Journal of radioanalytical and nuclear chemistry, 2016-03, Vol.307 (3), p.1743-1748 版權： Akadémiai Kiadó, Budapest, Hungary 2015 版權： COPYRIGHT 2016 Springer 識別號： ISSN: 0236-5731 識別號： EISSN: 1588-2780 識別號： DOI: 10.1007/s10967-015-4457-y
顯示於類別:	[化學工程與材料工程學系 ] 期刊論文

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