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Carbon materials with molecular sieve properties (CMS) were prepared by pyrolysis of cotton fabrics by chemical activation procedures. To evaluate the changes in the chemical and textural properties, the impregnants AlCl 3 , ZnCl 2 and H 3 PO 4 were used at 1123K. The materials were characterized using adsorption of nitrogen and carbon dioxide, TPD, and immersion calorimetry...
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