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RETENTION OF FLUORIDE FROM INDUSTRIAL ACIDIC WASTEWATER AND NaF SOLUTION BY THREE TUNISIAN CLAYEY SOILS
Acidic wastewater Clayey soil Fluoride removal Freundlich isotherm model Industrial wastewater Langmuir isotherm models Tunisian clayey soils
2011/11/11
Clayey soil samples, Sebkhat El Malah-El Mkhacherma (MK), Jebel Haidoudi (H), and Zemlet El Beidha (ZB), from three regions in Southeast Tunisia were evaluated for their effectiveness to remove fluori...
INTERACTION OF AQUEOUS ACIDIC-FLUORIDE WASTE WITH NATURAL TUNISIAN SOIL
Acidic-fluoride Waste Storage Clay DTA-TG FTIR Permeability
2011/11/7
Clayey soils are essential materials used to reduce hydraulic conductivity and pollutant migration, common at sites of waste disposal. This study investigates the possible use of a Tunisian soil as a ...
FLUORIDE CONTENT OF CLAY MINERALS AND ARGILLACEOUS EARTH MATERIALS
CLAY MINERALS ARGILLACEOUS EARTH MATERIALS
2011/11/15
A reliable method, utilizing a fluoride ion-selective electrode, is described for the determination of fluoride in clays and shales. Interference by aluminum and iron is minimal. The reproducibility o...
Sorption of Water at High Temperatures on Certain Clay Mineral Surfaces. Correlation with Lattice Fluoride
Sorption of Water Certain Clay Mineral Surfaces Lattice Fluoride
2011/11/16
The sorption of water, at 490°C and ca. 23–24 torr, on clay mineral surfaces has been studied using thermogravimetry and infrared absorption spectroscopy. Results from a series of synthetic hectorites...