DataVXScience of SinteringPaper
journal article·2015Open access

Natural diatomite (Rudovci, Serbia) as adsorbent for removal Cs from radioactive waste liquids

S. Nenadovic, Lj. Kljajevic, S. Markovic, M. Omerasevic, U. Jovanovic, V. Andric, I. Vukanac

Science of Sintering· Volume 47· Issue 3
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Source abstract

Abstract

The removal of Cs (I) ions from aqueous solution was studied using natural diatomite as adsorption materials originated from Rudovci, Serbia. The microstructure of natural diatomite has been characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) while the degree of Cs adsorption was evaluated by atomic emission spectroscopy. The cation exchange capacity (CEC) values for natural diatomite was 50 meq/100g. Depending on whether the Cs adsorption occurred in the acidic and alkaline media at a temperature of 298.15 K in acidic media ?G0 values was -12.674 kJ/mol, while in alkaline media ?G0 was - 13.142 kJ/mol and a change of ?S0 to 42.51 J/molK in acidic media and 44.08 J/molK in alkaline medium.
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Research context

OpenAlex topics: Chemical Synthesis and Characterization

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Affiliations

Institute of Nuclear Sciences "Vinča", Laboratory for Material Science, Belgrade

Institute of Technical Sciences of the Serbian Academy of Sciences and Arts, Belgrade

Institute of Nuclear Sciences “Vinča", Laboratory of Chemical Dynamics and Permanent Education, Belgrade

Institute of Nuclear Sciences "Vinča", Laboratory of Chemical Dynamics and Permanent Education, Belgrade

Institute of Nuclear Sciences "Vinča", Laboratory for Nuclear and Plasma Physics, Belgrade

Funding

Ministry of Education, Science and Technological Development of the Republic of Serbia

References

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