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Study of Interfacial Tension in an Acid-Free Oil/Alkali/Surfactant System

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Published/Copyright: April 11, 2013
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Tenside Surfactants Detergents
From the journal Tenside Surfactants Detergents Volume 48 Issue 6

Abstract

Experimental studies have been conducted to explore the interfacial tensions in an acid-free oil/alkali/surfactant system, and sodium hydroxide is used as the alkali chemical. The influences of salt and alkali on the interfacial activity of oil/surfactant systems were studied by the measurement of interfacial tensions and partition coefficients. The results showed that in an appropriate concentration range, an ultra-low interfacial tension could be obtained in the acid-free oil/alkali/surfactant system, and compared with the salt; the function of alkali for lowering interfacial tensions and improving partition coefficients is more significant.

Kurzfassung

Experimentelle Untersuchungen wurden durchgeführt mit dem Ziel, die Grenzflächenspannung in säure-freien Tensid/Alkali-Systemen zu ermitteln. Natriumhydroxid wurde als alkalische Chemikalie eingesetzt. Der Einfluss von Salz und Alkali auf die Grenzflächenaktivität des Öl-Tensid-Systems wurde studiert mit Hilfe von Messungen der Grenzflächenspannung und der Verteilungskoeffizienten. Die Ergebnisse zeigten, dass in einem entsprechenden Konzentrationsbereich ultraniedrige Grenzflächenspannungen in dem säure-freien Alkali-Tensid-System erreicht werden können und dass im Vergleich zum Salz die Funktion der alkalischen Verbindung zur Senkung der Grenzflächenspannung und zur Verbesserung der Verteilungskoeffizienten stärker signifikant ist.

Key words:: Interfacial tension; acid-free oil; alkali; salt; partition coefficient
Stichwörter:: Grenzflächenspannung; säurefreies Öl; Alkali; Salz; Verteilungskoeffizient
∗ Ji Rui Hou, Enhanced Oil Recovery Center, China University of Petroleum, Beijing, 102249, P.R. China, Tel.: 0086-10-89731663. E-Mail:

Bi-xin Liu is reading for doctor degree at China University of Petroleum (Beijing). His research fields are focused in oilfield chemistry.

Ji-rui Hou is a professor of China University of Petroleum (Beijing). His main field of research is oilfield chemistry and physical chemistry properties of surfactants.

Yan Wang is an engineer of Daqing Oilfield Petroleum Engineering Research Institute. He is engaged in oilfield chemistry.

Hong-jiao Tang is reading for Master degree at China University of Petroleum (Beijing). Her research fields centred at surfactant and nano-materials research.

Zhi-bao Lv is also reading for Master degree at China University of Petroleum (Beijing). He is engaged in oilfield chemistry.

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Received: 2011-04-20
Published Online: 2013-04-11
Published in Print: 2011-11-01

© 2011, Carl Hanser Publisher, Munich

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https://doi.org/10.3139/113.110156
Keywords for this article
Interfacial tension; acid-free oil; alkali; salt; partition coefficient

Articles in the same Issue

  1. Contents/Inhalt
  2. Contents
  3. Abstracts
  4. Abstracts
  5. Application
  6. Do Pseudomonas Aeruginosa Bacteria Affect the Selectivity of Dolomite/Francolite Separation?
  7. Basic Science Section
  8. The Influence of Surfactant's Synergism on the Solubilization of Some Fluorescent Compounds
  9. Effect of Some Non Functional Surfactants and Electrolytes on the Hexavalent Chromium Reduction by Glycerol: A Mechanistic Study
  10. Novel Surfactants
  11. Interfacial Composition and Structural Parameters of Aqueous NaCl(HCl/NaOH)/CnmimBr/1-Pentanol/n-Octane Microemulsions
  12. A Novel Synthesis of Anionic Heterogemini Surfactants Containing COOH, SO3H and PO(OH)2 Headgroups from Corynomicolic Acid and its Derivatives
  13. Physical Chemistry
  14. Artificial Intelligence for Electrical Percolation of AOT-based Microemulsions Prediction
  15. Study of Interfacial Tension in an Acid-Free Oil/Alkali/Surfactant System
  16. Control of Rheological Behaviour with Oppositely Charged Polyelectrolyte Surfactant Mixtures
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