Demulsification of Water-in-Heavy Crude Oil Emulsion using Amphiphilic Ammonium Salts as Demulsifiers

Juan de la Cruz Clavel; Juan C. Navarro; Rafael Martínez-Palou

doi:10.3139/113.110510

Artikel

Demulsification of Water-in-Heavy Crude Oil Emulsion using Amphiphilic Ammonium Salts as Demulsifiers

Juan de la Cruz Clavel , Juan C. Navarro und Rafael Martínez-Palou

Veröffentlicht/Copyright: 9. Dezember 2017

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Aus der Zeitschrift Tenside Surfactants Detergents Band 54 Heft 4

Abstract

In this work, six ionic surface-active alkyl ammonium halides were synthesized and evaluated as demulsifiers of W/O emulsions obtained from a Mexican heavy crude oil. A centrifugation test was employed as a fast method for following the kinetics of the demulsification process with the synthesized demulsifiers. Trioctylmethylammonium bromide showed the best performance as demulsifier.

Kurzfassung

In dieser Arbeit wurden sechs ionische oberflächenaktive Alkylammoniumhalogenide synthetisiert und als Demulgatoren für die Trennung von W/O-Emulsionen mit schwerem mexikanischem Rohöl getestet. Als schnelles Verfahren zur Bestimmung der Kinetik der Emulsionstrennung mit den synthetisierten Demulgatoren wurde ein Zentrifugationstest eingesetzt. Trioctylmethylammoniumbromid zeigte die beste Leistung als Demulgator.

Key words: W/O emulsions; demulsifiers; ammonium salts; heavy crude oil; microwave

Stichwörter: W/O-Emulsionen; Demulgatoren; Ammoniumsalze; Schweres Rohöl; Mikrowelle

*Correspondence address, Prof. Rafael Martínez-Palou, Dirección de Investigación en Transformación de Hidrocarburos, Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas 152, 07730 México, D.F., México, Tel.: +525591757846, Fax: +525591558368, E-Mail: rpalou@imp.mx

Juan de la Cruz Clavel López is Chemical Engineering from Engineer Faculty of Universidad Nacional Autónoma de México and MSc in Administration. He works as Technologic Leader in Instituto Mexicano del Petróleo. He has published several papers about petroleum engineering and is inventor of several patents for oilfield applications.

Juan Carlos Navarro is 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 works as engineers in PEMEX (Petróleos Mexicanos Company).

Rafael Martínez Palou holds a B.SC. in Chemistry from University of Havana. Chemical-biological M.Sc. and PhD. in Organic Chemistry with honors and best doctoral thesis in 2001 form National Polytechnic Institute in Mexico City. He received a postdoctoral position at Mexican Petroleum Institute (IMP, 2001–2002) and worked as scientific research in this institute since November of 2002. He is involved in the development of new organic compounds for chemical treatment in the Oil Industry and he also do research in CO₂ capture and transformations, and in bio-oils and biomass valorization.

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Received: 2017-01-16

Accepted: 2017-04-20

Published Online: 2017-12-09

Published in Print: 2017-07-14

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Artikel in diesem Heft

https://doi.org/10.3139/113.110510

Schlagwörter für diesen Artikel

W/O emulsions; demulsifiers; ammonium salts; heavy crude oil; microwave