Adsorption of C6–C8 Aromatics over Ba-Exchanged Zeolite X at High Temperature
Qian Shi
University of Porto, Laboratory of Separation and Reaction Engineering – Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
Search for more papers by this authorCorresponding Author
Jonathan C. Gonçalves
University of Porto, Laboratory of Separation and Reaction Engineering – Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
Correspondence: Jonathan C. Gonçalves ([email protected]), University of Porto, Laboratory of Separation and Reaction Engineering – Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal.Search for more papers by this authorAlexandre F. P. Ferreira
University of Porto, Laboratory of Separation and Reaction Engineering – Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
Search for more papers by this authorAlírio E. Rodrigues
University of Porto, Laboratory of Separation and Reaction Engineering – Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
Search for more papers by this authorQian Shi
University of Porto, Laboratory of Separation and Reaction Engineering – Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
Search for more papers by this authorCorresponding Author
Jonathan C. Gonçalves
University of Porto, Laboratory of Separation and Reaction Engineering – Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
Correspondence: Jonathan C. Gonçalves ([email protected]), University of Porto, Laboratory of Separation and Reaction Engineering – Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal.Search for more papers by this authorAlexandre F. P. Ferreira
University of Porto, Laboratory of Separation and Reaction Engineering – Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
Search for more papers by this authorAlírio E. Rodrigues
University of Porto, Laboratory of Separation and Reaction Engineering – Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
Search for more papers by this authorAbstract
The adsorption of C6–C8 aromatics was investigated at higher temperatures than normally used in the industry in the absence of water to assess the adsorption equilibrium properties under conditions that can be suitable for a simulated moving-bed reactor for the production of p-xylene. Batch experiments were conducted on a dry Ba-exchanged zeolite X at various temperatures in the liquid phase. Pseudo-single-component adsorption equilibrium isotherms from binary mixtures with i-octane were obtained based on the adsorbed amount with different initial concentrations. The Langmuir model was applied to describe the adsorption equilibrium data. The estimated parameters predicted very well the equilibrium in the adsorbent.
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