EFFECT OF FRIENDLY SORBENTS ON BASE POLYMER NANOCOMPOSITES
Author(s)
ROMAN OLEGOVICH OLEKHNOVICH, KONSTANTIN GENNADIEVICH GUSEV, ALEXANDR LEONIDOVICH ISHEVSKIY, MAYYA VALERIEVNA USPENSKAYA, INNA EVGENIEVNA STRELNIKOVA
Abstract
Clay-based superabsorbents were synthesized using sodium bentonite via radical copolymerization of acrylic acid and acrylamide at temperatures between 30°C and 45°C. Ammonium persulphate – tetramethylethylenediamine was used as an initiator oxidation-reduction system, and N,N’- methylene-bis-acrylamide as the cross-linked agent. The swelling behaviour of clay-based superabsorbent samples in aqueous solutions at different temperatures was investigated. The sorption processes of nickel ions from aqueous solutions were studied. It has been shown to influence the proportion of bentonite sorption kinetics of nickel ions from aqueous solutions of different concentrations. Clay-containing polymer composites can be used as friendly materials for wastewater treatment.
Keywords
bentonite, hydrogel, nanocomposite, waste treatment, nickel, absorption
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