The present work was focused on the determination of texture, morphology, oxygenated surface groups characteristics of a two deferent activated carbon prepared from tow variety of the date stone: Ghares (ACG) and Mech Degla (ACM) given from Biskra region in south Algeria. Chemical activation of this precursor using phosphoric acid H3PO4 as an activation agent. The microscopic structure was examined by nitrogen adsorption at 77 K. Energy of activation was determined by Dubinin-Radushkevich(DR) model. The Results yielded a height surface area (SBET) and total pore volume of 1060 m2/g and 0.52cm3/g for Mech Degla variety.
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