Synthetic calcium aluminosilicates and their sorption properties with respect to Sr2+ ions


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Abstract

Sorption characteristics of synthetic calcium aluminosilicates (CAS) obtained in the multicomponent CaCl2–AlCl3–KOH–SiO2–H2O system are presented. The isotherms of Sr2+ sorption on CAS from aqueous solutions containing no additional salts were measured for Sr2+ concentration from 0.5 to 11.1 mmol/L and solid to liquid phase ratio S: L = 1: 100. The maximum sorption capacity of synthetic CAS was determined, the phase distribution constants of Sr2+ ions at different S: L ratios were found. The recoveries of Sr2+ ions from solutions containing 0.01 mol/L Ca(NO3)2 and from a solution simulating water of the Mayak plant sewage pond No. 11 were determined.

About the authors

P. S. Gordienko

Institute of Chemistry, Far East Branch; Vladivostok State University of Economics and Service

Email: yarusova_10@mail.ru
Russian Federation, pr. Stoletiya Vladivostoka 159, Vladivostok, 690022; ul. Gogolya 41, Vladivostok, 690014

I. A. Shabalin

Institute of Chemistry, Far East Branch

Email: yarusova_10@mail.ru
Russian Federation, pr. Stoletiya Vladivostoka 159, Vladivostok, 690022

A. P. Suponina

Institute of Chemistry, Far East Branch

Email: yarusova_10@mail.ru
Russian Federation, pr. Stoletiya Vladivostoka 159, Vladivostok, 690022

S. B. Yarusova

Institute of Chemistry, Far East Branch; Vladivostok State University of Economics and Service

Author for correspondence.
Email: yarusova_10@mail.ru
Russian Federation, pr. Stoletiya Vladivostoka 159, Vladivostok, 690022; ul. Gogolya 41, Vladivostok, 690014

V. G. Kuryavyi

Institute of Chemistry, Far East Branch

Email: yarusova_10@mail.ru
Russian Federation, pr. Stoletiya Vladivostoka 159, Vladivostok, 690022

V. V. Zheleznov

Institute of Chemistry, Far East Branch

Email: yarusova_10@mail.ru
Russian Federation, pr. Stoletiya Vladivostoka 159, Vladivostok, 690022

T. A. Kaidalova

Institute of Chemistry, Far East Branch

Email: yarusova_10@mail.ru
Russian Federation, pr. Stoletiya Vladivostoka 159, Vladivostok, 690022

D. Kh. Shlyk

Institute of Chemistry, Far East Branch

Email: yarusova_10@mail.ru
Russian Federation, pr. Stoletiya Vladivostoka 159, Vladivostok, 690022

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