DBPapers
DOI: 10.5593/SGEM2014/B52/S20.005

APPLICATION OF NATURAL CLINOPTILOLITE FOR HEAVY METALS REDUCING IN WATERS

I. Pandova, P. Oravec, A. Radvanska
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-18-6 / ISSN 1314-2704, June 19-25, 2014, Book 5, Vol. 2, 33-38 pp

ABSTRACT
Various trace elements such as Cu, Ni, Zn, Se are essential to life, but only at trace
levels. In larger quantities they can be hazardous for the living organisms. Waste waters produced from various manufacturing operations contain these elements in quantities exceeding the maximum allowable concentrations. The application of traditional methods of waste water treatment is expensive and produces more pollutants that are adversely affecting the environment. Therefore the alternative methods for heavy metals removal in waste waters are searched. Current research is focused on the application of the natural materials that could be highly affordable sorbents, such is natural zeolite. The sorption of copper and nickel salts solutions was studied on the samples of natural zeolite - clinoptilolite with different grain sizes, where the efficiency up to 78.9 percent was reached with respect to sorption of copper cations. The results indicate the possibility of the natural zeolite use for sorption of toxic substances in various applications.

Keywords: waste waters, copper, environment, zeolite, clinoptilolite