%0 Journal Article %T Sorption and Desorption of Remazol Yellow by a Fe-Zeolitic Tuff %A Solache-R¨ªos %A Marcos Jos¨¦ %A Villalva-Coyote %A Rafael %A D¨ªaz-Nava %A Mar¨ªa del Carmen %J Journal of the Mexican Chemical Society %D 2010 %I Sociedad Qu¨ªmica de M¨¦xico %X the adsorption of remazol yellow from aqueous solution was evaluated using a fe-zeolitic tuff. the adsorbent was characterized by scanning electron microscopy, ir spectroscopy and x-ray diffraction. sorption kinetic and isotherms were determined and the adsorption behavior was analyzed. kinetic pseudo-second order and langmuir-freundlich models were successfully applied to the experimental results, indicating chemisorption on a heterogeneous material. the regeneration of the material was best accomplished by using a h2o2 solution. the sorption capacity of the fe-zeolitic tuff increased when the saturated samples were treated with a h2o2 or fecl3 solution. %K remazol %K sorption %K desorption %K fe-zeolitic tuff. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S1870-249X2010000100010&lng=en&nrm=iso&tlng=en