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Evaluation of Radiocesium Sorption in Some Material as Safety Barrier System of Radioactive Waste Disposal Demonstration Dacility

Setiawan, Budi and Mayasari, Elfira and Meidhika, Shely (2015) Evaluation of Radiocesium Sorption in Some Material as Safety Barrier System of Radioactive Waste Disposal Demonstration Dacility. International Symposium on Applied Chemistry 2015, 16. pp. 445-450. ISSN 1876-6196

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Abstract

Sorption characteristic study of prospective barrier materials will be used be used as safety barrier system on the disposal facilities such as bentonite, kaolinite, and quartz sandy has been done. Such barrier materials were contacted against Cs 137 with affected paramaters were the functions of contact time, concentration of CsCl, ionic strength of solution, and the sorption isotherm, and all the experiments were done in batch method. Objective of the research is to obtain a specific sorption character data of radiocesium into some prospective barrier materials for radioactive waste disposal demonstration facility at Serpong. The initial concentration of CsCl being used was 10(-8) M, and 0.1, 0.5, 1.0 M NaCl and also 10(-8) - 10(-4) M CsCl for experiments of Cs 137 was predicted through their distribution coefficient (Kd). Equilibrium state were reached after 7, 5 days and 24 hours shaking time with Kd values decreased due to the competition between Na and Cs ions when interacting with the sample, and also due to the limited sorption capacity of the sample to Cs 137.

Item Type: Article
Subjects: Daur Bahan Bakar Nuklir dan Bahan Maju > Limbah Radioaktif > Teknik Penyimpanan Limbah Radioaktif
Divisions: Pusat Teknologi Limbah Radioaktif
Depositing User: USER PTLR BATAN
Date Deposited: 09 May 2018 06:22
Last Modified: 09 May 2018 06:22
URI: http://repo-nkm.batan.go.id/id/eprint/518

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