Modeling Carbon Mask Adsorptive Filters


Laboratory of Separation and Reaction Engineering (LSRE), Department of Chemical Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal

Abstract. The mathematical modeling of beds employed in individual protection is reviewed. The first models presented in the literature considered that the removal of the toxic compounds was done only by physical adsorption. However for some compounds an efficient protection cannot be attained if only adsorption is present. Consequently adsorbents which eliminate the toxic compounds by physical adsorption coupled with chemical reaction are used in the filters. Thus, several models that take into account these two phenomena were proposed.

Keywords: carbon filters; process modeling

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