Adsorption of strontium ions from aqueous solutions on nut shells activated carbons
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DUCA, Gheorghe; 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.
10.19261/cjm.2018.494
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Chemistry Journal of Moldova
Numărul 2(13) / 2018 / ISSN 1857-1727 /ISSNe 2345-1688

Adsorption of strontium ions from aqueous solutions on nut shells activated carbons


CZU: 544.72:628.316
DOI: 10.19261/cjm.2018.494
Pag. 69-73

Duca Gheorghe, Ciobanu Mihail, Lupascu Tudor, Povar Igor
 
Institute of Chemistry
 
Disponibil în IBN: 24 decembrie 2018


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

Cuvinte-cheie
activated carbon, adsorption heat, entropy, exothermic process, strontium ion.