Abstract
The adsorption kinetics of cephalosporin-c (CPC) on non-ionic polymeric macropore Amberlite XAD-16 resin were investigated in a well-stirred tank. The ‘half-time’ and non-linear methods were used to derive the intraparticle diffusivities from the experimentally determined adsorption uptake curves. It was found that both pore and solid surface diffusion processes made significant contributions, in parallel, to the intraparticle mass transfer. It was also found that the CPC concentration had an effect on the effective pore and surface diffusivities. The results are relevant to the mathematical modelling of adsorption processes. © 1999 Society of Chemical Industry
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