| Abstrakt: |
Bentonite clays of alkaline and alkaline earth types were treated and modified with Ca2+Zn2+Mn2+ and Fe2+Mg2+Mn2+ solutions to assess their textural and adsorptive properties toward inorganic ions (Cu2+, PO2+) in aqueous solutions, petroleum products, and water and hexane molecules in gaseous environments. A new methodological approach was introduced for processing bentonite clays, involving sequential purification, soaking, differential separation of clay particles from montmorillonite, and modification using a 10% H2SO4 solution. This method increases the montmorillonite content in the clay and significantly reduces the water content. During the enrichment process, changes in mineralogical composition were observed to affect the dispersion of the samples, with fractions smaller than 1 micron increasing by 1.93 and 2.8 times for samples B1 and B2, respectively. To analyze the adsorbents, techniques such as X- ray diffraction, scanning electron microscopy, elemental analysis, derivatographic, and thermal analysis were employed. Gas chromatographic methods were utilized for both qualitative and quantitative analysis of the substances, using modern equipment and standardized methodologies in the experimental studies. [ABSTRACT FROM AUTHOR] |
