Anti-Corrosion Properties of Ions Modified Zeolite

Abstract

Environmentally friendly corrosion inhibitors were obtained by liquid-phase ion exchange modification of zeolite with zinc, calcium and manganese cations. The surface morphology and chemical composition of modified zeolites were determined by scanning electron microscopy and energy dispersion spectroscopy analyzes. It was established that the structure of ion-exchange modified zeolites is homogeneous with a particle size of 2-4 $\mu \mathrm{m}$. It was shown that using of modified zeolites increases the corrosion resistance of the aluminum alloy in 0.1% NaCl solution. The Zn-zeolite had highest anti-corrosion effectiveness. Gradual release of the inhibitory components from zeolites provides long-term protection of metal constructions.