Adsorption studies of Cd(II) on ball clay: Comparison with other natural clays
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Killer Clays! Natural antibacterial clay minerals
Clay minerals have been used in medicinal applications since Aboriginal times (Carretaro, 2002; Wilson, 2003). Clay poultices are used to heal wounds; people eat clays to coat stomach linings and soothe indigestion; animals eat clay containing trace elements (e.g., As) that can kill worms. The reasons that various clay minerals are effective as medicines may be as variable as the ailment, but b...
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Batch adsorption studies were conducted to determine the effects of contact time and temperature on fluoride removal by montmorillonite clay at neutral pH. The adsorption of fluoride was studied at four different temperatures, viz. 30, 40, 50 and 60°C. The kinetics of adsorption as well as adsorption isotherms at different temperatures were studied. Adsorption obeyed both Langmuir and Freundlic...
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Removal of cesium from synthetic aqueous solution through adsorption on bentonite, under batch equilibrium experimental condition at different values of pH and four temperatures (303, 313, 323, 333 K) was investigated. For this propose the suitability of the Freundlich adsorption model for equilibrium data were investigated. The parameters in the adopted adsorption isotherm models were determin...
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Organic matter removal is accomplished rapidly and efficiently without removing carbonates by treating samples wi~h a sodium hypochlorite solution. Quantities of organic matter lefr in samples by this treatment are commonly less than remain after hydrogen peroxide treatment of acidified samples. Stable suspensions result from the use of a sodium carbonate-sodium bicarbonate solution to wash and...
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Studies have been made on muscovite single crystals treated under dry and hydrothermal conditions at temperatures above 800~ The course of reaction is markedly affected by the amount of water present in the system. In the presence of a large excess of water, appreciable reaction commences at 8(~0~ with the formation of kalsilite and corundum. The kalsilite may bear an epitaxial relationship to ...
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ژورنال
عنوان ژورنال: Arabian Journal of Chemistry
سال: 2016
ISSN: 1878-5352
DOI: 10.1016/j.arabjc.2012.01.010