Natural diatomite (Rudovci, Serbia) as adsorbent for removal Cs from radioactive waste liquids-Reference-Cited by-同舟云学术

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

Published:2015 Issue:3 Volume:47 Page:299-309
ISSN:0350-820X
Container-title:Science of Sintering
language:en
Short-container-title:SCI SINTER

Author:

Nenadovic S.¹,Kljajevic Lj.¹^ORCID,Markovic S.²,Omerasevic M.¹,Jovanovic U.³,Andric V.⁴,Vukanac I.⁵^ORCID

Affiliation:

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

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

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

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

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

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.

Funder

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

Publisher

National Library of Serbia

Subject

Materials Chemistry,Metals and Alloys,Condensed Matter Physics,Ceramics and Composites

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