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The present paper analyses the role of the activated carbon (AC) properties on the SO 2 uptake capacity of CaO/AC sorbents prepared by AC impregnation or ionic exchange with calcium acetate water solutions. Gas adsorption and mercury porosimetry have been used for textural characterization of the AC and surface oxygen groups have been characterized by temperature programmed desorption (TPD)...
Sorbents for SO 2 retention at low temperature consisting of CaO supported on activated carbons have been prepared by different methods (physical mixing, incipient wetness impregnation, rotary evaporator impregnation, complex formation and ionic exchange). Ca(OH) 2 , CaCO 3 , CaO, Ca(CH 3 COO) 2 and Ca(C 2 H 5 COO) 2 have been used as...
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