Effect of Corona Discharge on Sorption Capacity of Birch Leaf Litter in Relation to Fe Ions

Abstract

UDC 541.183

DOI  https://doi.org/10.5281/zenodo.1053428

Processing of birch leaf litter in a DC corona discharge was carried out so as to increase sorption capacity in relation to ions of iron (II) and (III). It is shown that the corona treatment increases the sorption capacity of birch leaf litter in relation to the ions of Fe²⁺ – 31%, Fe³⁺ – 32%. Certain parameters (voltage and time of polarization) of the corona treatment were defined, in which the maximal sorption capacity of the leaves of the birch. The calculated thermodynamic parameters of the process. The obtained values of the activation energy (13.39 kJ/mol for Fe²⁺ ions and 14.56 kJ/mol for Fe³⁺ ions) obey the laws of physical adsorption.

Keywords: birch litter, sorption, iron ions, unipolar corona discharge, activation energy.