Analysis of Regression Models of Maximal Adsorption on High-Porosity Adsorbents with and without Ultrasound Application

摘要

In the paper are shown the results of research in ultrasound waves (ultrasound) influence in the adsorption process of copper (II) acetate (CuAc) in granulated activated carbon (GAC). Presence of CuAc on GAC after adsoption process is confirmed by X-Ray Diffraction (XRD). Results acquired during the adsorption process are tested by Freunlich and Langmuir models adsorption isotherms, and their linearization and determination of model parameters k; n; b and Q_0. Kinetics of adsorption tested is with use of complex power-exponential regression model. Using the Scanning Electronic Microscopy (SEM) recording of none treated and treated GAC is performed by ultrasound. Mathematical models that correlate adsorption equilibration with specific surface GAC and starting concentrations CuAc are acquired by mathematical planning experiment and regression analyses. Given results without doubt indicate the contribution of ultrasound use during the adsorption of CuAc from liquid solution. Size of specific surface and starting concentration has a positive influence on size of adsorption equilibration. Acquired mathematical regression equations represent very well experimental results.