Publication: Optimización del proceso Molex de obtención de parafinas lineales por adsorción
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2020-04-21
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Universidad Complutense de Madrid
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Abstract
Este trabajo se ha realizado en el grupo de investigación de Catálisis y Procesos de Separación (CyPS) del departamento de Ingeniería Química y de Materiales en la Facultad de Ciencias Químicas de la Universidad Complutense de Madrid, en colaboración con CEPSA Química S.A.. La investigación presentada en esta tesis doctoral se enmarca en los procesos de separación de hidrocarburos por adsorción en fase líquida utilizando tamices moleculares de zeolita 5A. Los tamices moleculares LTA (zeolita 5A) se pueden emplear en la separación selectiva de parafinas lineales de fracciones petrolíferas (Proceso Molex). Estas parafinas lineales se emplean para obtener sustituyentes lineales destinados a la fabricación de surfactantes. La ventaja que presentan las parafinas lineales frente a los hidrocarburos ramificados es que confieren al producto final (sulfonatos de alquilbenceno lineales, LAS) velocidades de biodegradación superiores...
The present work was performed in the Catalysis and Separation Processes research group (CyPS), in the department of Chemical and Materials Engineering at the Chemical Sciences Faculty of the Complutense University of Madrid, in collaboration with CEPSA Química S.A.. The research presented in this PhD thesis is framed within the liquid phase separation processes of hydrocarbons by means of liquid phase adsorption using 5A zeolite molecular sieves. LTA molecular sieves (5A zeolite) can be used in the selective separation of linear paraffins from petroleum feedstocks (Molex Process). These linear paraffins are employed afterwards in the manufacture of linear substituents for the production of surfactants. The alkyl benzene sulfonates are known to have higher biodegradation rates when the alkyl chain used as a substituent is linear, obtaining the so-called linear alkyl benzene sulfonates (LAS)...
The present work was performed in the Catalysis and Separation Processes research group (CyPS), in the department of Chemical and Materials Engineering at the Chemical Sciences Faculty of the Complutense University of Madrid, in collaboration with CEPSA Química S.A.. The research presented in this PhD thesis is framed within the liquid phase separation processes of hydrocarbons by means of liquid phase adsorption using 5A zeolite molecular sieves. LTA molecular sieves (5A zeolite) can be used in the selective separation of linear paraffins from petroleum feedstocks (Molex Process). These linear paraffins are employed afterwards in the manufacture of linear substituents for the production of surfactants. The alkyl benzene sulfonates are known to have higher biodegradation rates when the alkyl chain used as a substituent is linear, obtaining the so-called linear alkyl benzene sulfonates (LAS)...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Ciencias Químicas, Departamento de Ingeniería Química y de Materiales, leída el 21/11/2019