CONCURRENT SORPTION OF COPPER
AND CHROMIUM CATIONS BY NATURAL ZEOLITE

Vira Sabadash, Jaroslav Gumnytskyy, Oksana Mylianyk, Liliana Romaniuk *

Lviv Polytechnic National University, 12, S. Bandery str., Lviv, 76013, Ukraine
* Ecological Agricultural University College of Lviv, 167, Zamarstynivska str., 79000.

Received: 13.02.2017

© Sabadash V., Gumnytskyi Ja., Mylianyk O., Romaniuk L., 2017

Abstract. The aim of this work was to study the process of adsorption of Copper and Chromium cations by natural zeolites in static conditions. The change of the chemical composition of the surface of the zeolite as a result of sorption of heavy metals was investigated. The influence of the type of the ions and pH selectivity in absorption of heavy metals removal by zeolite was analysed. The reasons for the selective extraction of Copper from two-component solution were explained.

Key words: Copper, Chromium, heavy metals, adsorption, wastewater

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