THE EFFECT OF ZEOLITES ON THE TRANSFER OF HEAVY METALS FROM SOIL TO MINT

  • Lucian Dordai INCDO-INOE2000, Research Institute for Analytical Instrumentation, ICIA Cluj-Napoca Subsidiary
Keywords: zeolites; heavy metals; bioremediation; mint.

Abstract

The fundamental objective of this study was to determine the variation over time of the heavy metal content in mint (Mentha Spicata) by the ICP-MS technique. The seeds of the mint plant were grown in the laboratory, each in 2 different pots (a control soil sample polluted with metals and a soil sample contaminated with metals but improved with natural zeolite). At the end of the vegetation period, all parts of the plant (root, leaves, stem, and flowers) were left to dry at room temperature for 2-3 weeks; then, they were finely ground and weighed to determine the metal content. The results show that the studied zeolite can be used as an amendment to reduce the range of heavy metals in the polluted soil, the presence of the zeolite leading to the reduction of the transfer of these metals from the contaminated soil to the plants.

Published
2022-12-28
Section
Research articles