Startseite Naturwissenschaften Amphiphilic Choline Carboxylates as Demulsifiers of Water-in-Crude Oil Emulsions
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Amphiphilic Choline Carboxylates as Demulsifiers of Water-in-Crude Oil Emulsions

  • Jorge Aburto , Daniel M. Márquez , Juan C. Navarro und Rafael Martínez-Palou
Veröffentlicht/Copyright: 22. Juli 2014
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Abstract

Water/oil emulsions are formed in oil wells due to the presence of natural surfactants. As water/oil phase separation is necessary before oil refining, demulsifiers are used to break water/oil emulsions. In this work, environmentally friendly ionic surface-active choline carboxylates were synthesized from anionic exchange involving choline chloride under microwave dielectric heating. Microwave irradiation was also employed as a fast method for following the kinetics of the demulsification process with the synthesized demulsifiers. Choline palmitate showed the best performance as demulsifier.

Kurzfassung

Wasser/Öl-Emulsionen werden in Ölquellen aufgrund anwesender natürlicher Tenside gebildet. Da vor der Mineralölverarbeitung eine Phasentrennung von Wasser und Rohöl erforderlich ist, werden die Wasser/Öl-Emulsionen mit sog. Spaltern gebrochen. In dieser Arbeit wurden umweltfreundliche ionische oberflächenaktive Cholincarboxylate aus anionischem Austausch von Cholinchlorid bei dielektrischer Erwärmung mittels Mikrowellen synthetisiert. Die Mikrowellenbestrahlung wurde auch als schnelles Verfahren zur Verfolgung der Kinetik des Demulgierprozesses mit den synthetisierten Demulgatoren eingesetzt. Cholinpalmitat zeigte die beste Leistung als Demulgator.


* Correspondence address Prof. Dr. Rafael Martínez-Palou, Dirección de Investigación y Posgrado, Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas 152, 07730 México, D.F., México, Tel.: +525591757846, Fax: +525591558368, E-Mail:

Dr. Jorge-Arturo Aburto-Anell He holds a B.Sc. in Food Chemistry from the National University of Mexico; the M.Sc. and Ph.D. from Toulouse National Polytechnique Institute, France; and was visiting Researcher in the Biotechnology Institute from the Agricultural University of Vienna, Austria.

Dr. Jorge Aburto is Researcher at the Mexican Petroleum Institute since 2000 and is actually Project Leader of Bioprocesses. Dr. Aburto's main Research areas are petroleum biorefining, enzyme kinetics, precipitation inhibitors of asphaltenes, bioreuse of spent catalyst, production of lignocellulosic ethanol and petroleum transport through O/W emulsions. He is Authors of several international articles, book chapters, and patent applications.

Daniel Martín Márquez Chemical Engineering, Instituto Politécnico Nacional, 2006–2011. He did his professional graduate thesis at Insituto Mexicano del Petróleo under the direction of Dr. Rafael Martínez-Palou.

Juan Carlos Navarro Chemical Engineering, Instituto Politécnico Nacional, 2006–2011. He did his professional graduate thesis at Insituto Mexicano del Petróleo under the direction of Dr. Rafael Martínez-Palou. He work as engineer in PEMEX (Petróleos Mexicanos Company).

Rafael Martínez Palou He holds a B.Sc. in Chemistry from the Habana University in Cuba; the M.Sc. and Ph.D. from Instituto Politécnico Nacional of México and one year as Posdoctoral as researcher in the Instituto Mexicano del Petróleo were he work since 2002 as researcher and Project Leader on applied organic synthesis of product for Petroleum Industry.

Dr. Martínez-Palou's main Research areas are petroleum biorefining, petroleum transport through O/W emulsions, microwave and ionic liquids applications for oilfield. He is authors of more than 40 international articles, books, book chapters, and patent applications. He is Editorial Advisory Board Member of the journal Current Microwave Chemistry (CMIC) since 2013.


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Received: 2013-08-08
Revised: 2014-04-28
Published Online: 2014-07-22
Published in Print: 2014-07-15

© 2014, Carl Hanser Publisher, Munich

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