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SM ISO690:2012 DUKA, Gh., CIOBANU, Mihail, LUPASCU, Tudor, POVAR, Igor. Adsorption of strontium ions from aqueous solutions on nut shells activated carbons. In: Chemistry Journal of Moldova, 2018, nr. 2(13), pp. 69-73. ISSN 1857-1727. DOI: https://doi.org/10.19261/cjm.2018.494 |
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Chemistry Journal of Moldova | ||||||
Numărul 2(13) / 2018 / ISSN 1857-1727 /ISSNe 2345-1688 | ||||||
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DOI:https://doi.org/10.19261/cjm.2018.494 | ||||||
CZU: 544.72:628.316 | ||||||
Pag. 69-73 | ||||||
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Rezumat | ||||||
The adsorption of strontium ions from aqueous solutions on nut shells activated carbons (samples CAN-7 and CAN-8) at different temperatures has been studied. The isotherm of adsorption of strontium ions from aqueous solutions on activated carbon CAN-7 has two inflection points at relatively small and high equilibrium concentrations. As the temperature increases, the adsorption values decrease, which indicates that the adsorption process is exothermic |
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Cuvinte-cheie activated carbon, adsorption heat, entropy, exothermic process, strontium ion. |
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