A new approximate concentration profile model for batch adsorption in a spherical adsorbent is *** whole process of batch adsorption is divided into two *** first stage is that adsorption front moves from the surface ...
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A new approximate concentration profile model for batch adsorption in a spherical adsorbent is *** whole process of batch adsorption is divided into two *** first stage is that adsorption front moves from the surface of particle to its *** second stage is a process in which adsorbate is accumulated in the *** concentration profiles of two stages are assumed to be cubic approximation of sphere *** with exact solution and other approximate models such as parabolic concentration profile and n -th concentration profile,the new model is closely matched with exact solution and is more accurate than n -th and parabolic models,especially during the initial adsorption period when Biot number is *** model can be used in the calculations of complex process of unsteady adsorption of spherical adsorbent.
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