ORIGINAL RESEARCH
Removal of As (III) and Cr (III)
on Modified Clinoptylolite
Anna M. Anielak, Rafał Schmidt
Faculty of Environmental Engineering, Kraków University of Technology
Warszawska 24, 31-155 Cracow, Poland
Warszawska 24, 31-155 Cracow, Poland
Pol. J. Environ. Stud. 2015;24(2):477–482
KEYWORDS
ABSTRACT
We investigated the removal of As(III) and Cr(III) on the zeolite modified with manganese oxides. The
results of our research show that zeolite behaves as a heterogeneous catalyst and removal of investigated
elements occurs due to their oxidation and adsorption, as well as precipitation. This paper investigates the
process with respect to the zeta potential and the size of Cr and As hydroxo complex particles at different
pH.
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