SORPTION OF NON-FERROUS METALS (So2+, Ni2+, Cu2+) WITH AMINATED NATURAL CLINOPTILOLITE
Journal: Science and world (Vol.1, No. 59)Publication Date: 2018-07-30
Authors : Rahimli M.A. Makhmudov F.T Ilyasova Kh.A. Soltanova S.M. Hajiyev M.A. Askerova T.N. Nuriyev A.N.;
Page : 16-18
Keywords : sorption; clinoptilolite; amination; non-ferrous metals.;
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Abstract
Sorption opportunities of clinoptilolite modified by methylaminahydrochloride (Aydag deposit of the Republic of Azerbaijan), were investigated relative to cations of non-ferrous metals (Co2+,Ni2+ ,Cu2+). In a wide range of concentrations of metal cations in solutions (0,01–0,1N), we obtained S-shaped Langmuir isotherms by linearization of which the optimum capacity (Amax) and equilibrium constant (Kequal). and Gibbs energy (ΔG) of sorption processes were calculated. An increase in zeolite capacity by decrease of cation radius and values of Gibbs energy, as well as by increase in values of equilibrium constant (Kequal.) was established.
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