<abstract xmlns="http://www.w3.org/1999/xhtml"><p>3-Mercaptopropyl-trimethoxysilane and [3-(2-aminoethylamino)propyl]trimethoxysilane were used to functionalize the surface of silica from Piotrowice in Poland to stabilize heavy metals (HMs) and arsenic in soil. The soil for the study was sampled from the impact zone of Głogów Copper Smelter and Refinery. The soil samples were exposed to five-step Tessier sequential extraction. The speciation studies were limited to five sequentially defined fractions in which metal content was determined. The addition of unmodified silica did not affect significantly the concentration of metals in individual fractions. Significant changes were noted upon introduction of functionalized silica in the soil. The hybrid formulations obtained significantly reduce the release of heavy metals and arsenic from soil sorption complex. The results indicate the potential use of functional formulations for reduction of metal migration in soil in the areas of exceeded concentration of heavy metals and arsenic in the soil, caused by industrial activity.</p></abstract>

3-Mercaptopropyl-trimethoxysilane and [3-(2-aminoethylamino)propyl]trimethoxysilane were used to functionalize the surface of silica from Piotrowice in Poland to stabilize heavy metals (HMs) and arsenic in soil. The soil for the study was sampled from the impact zone of Głogów Copper Smelter and Refinery. The soil samples were exposed to five-step Tessier sequential extraction. The speciation studies were limited to five sequentially defined fractions in which metal content was determined. The addition of unmodified silica did not affect significantly the concentration of metals in individual fractions. Significant changes were noted upon introduction of functionalized silica in the soil. The hybrid formulations obtained significantly reduce the release of heavy metals and arsenic from soil sorption complex. The results indicate the potential use of functional formulations for reduction of metal migration in soil in the areas of exceeded concentration of heavy metals and arsenic in the soil, caused by industrial activity.

The influence of silica functionalized with silanes on migration of heavy metals in soil

Institute of Plant Protection – National Research Institute, Department of Ecology and Environmental Protection, Władysława Węgorka 20, 60-318 Poznań, Poland

Institute of Plant Protection – National Research Institute, The Research Centre of Quarantine, Invasive and Genetically Modified Organisms, Władysława Węgorka 20, 60-318 Poznań, Poland

Adam Mickiewicz University in Poznań, Faculty of Chemistry, Umultowska 89b, 61-614 Poznań, Poland

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

3-Mercaptopropyl-trimethoxysilane and [3-(2-aminoethylamino)propyl]trimethoxysilane were used to functionalize the surface of silica from Piotrowice in Poland...

The influence of silica functionalized with silanes on migration of heavy metals in soil

Online veröffentlicht: 04. Apr. 2016

Seitenbereich: 51 - 57

DOI: https://doi.org/10.1515/pjct-2016-0009

Schlüsselwörter
functionalized silica, heavy metals, Soil stabilization

© 2016 Piotr Grzesiak et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The influence of silica functionalized with silanes on migration of heavy metals in soil

Online veröffentlicht: 04. Apr. 2016

Seitenbereich: 51 - 57

DOI: https://doi.org/10.1515/pjct-2016-0009

Schlüsselwörterfunctionalized silica, heavy metals, Soil stabilization

© 2016 Piotr Grzesiak et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Schlüsselwörter
functionalized silica, heavy metals, Soil stabilization