Oil/water Interfacial Tension of Shengli Petroleum Sulfonate/α-Olefin or Polyethyleneoxy Ether Sulfonate Binary Systeme
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Yongmin Zhang
Abstract
As one important parameter for selecting surfactant used in chemistry flooding, here the interfacial tension (IFT) between crude oil and single surfactants Shengli petroleum sulfonate (SHL-PS), α-olefin sulfonate (C14/16AOS), fatty alcohol polyethyleneoxy ether sulfonate (CnEmSO) or their mixture using mimic Shengli brine water as solvent were investigated using spinning drop technology. The results showed: Through C18E3SO has a small ultra-low IFT window, it is more practical and efficient to obtain ultra-low IFT by mixing two or more surfactants other than using single surfactant; the length of hydrophobic tail plays a more important role than oxyethylene group number on the IFT for CnEmSO/SHL-PS; at mass ratio 1:19, both C14/16AOS/SHL-PS and C18EmSO/SHL-PS systems can lower the IFT to below 10−2 mN/m, but their mechanisms may be not same.
Kurzfassung
Als ein wichtiger Parameter bei der Auswahl von Tensiden für das chemische Fluten wird hier die Grenzflächenspannung (ITF) zwischen Rohöl und den einzelnen Tensiden Shengli-Petroleum-Sulfonat (SHL-PS), α-Olefinsulfonat (C14/16AOS), Fettalkoholpolyethylenoxyethersulfonat (CnEmSO) oder ihrer Mischungen mit simulierten Shengli-Prozesswasser als Lösemittel untersucht. Dazu wurde die Spinning-Drop-Technik verwendet. Die Ergebnisse zeigen: Obwohl C18E3SO einen Bereich ultra-kleiner Grenzflächenspannungen besitzt, ist es zweckmäßiger und effizienter ultraniedrige Grenzflächenspannungen durch Mischungen von zwei oder mehr Tensiden einzustellen als nur eines zu nutzen. Für die ITF der CnEmSO/SHL-PS ist die Länge des hydrophoben Rests wichtiger als die Zahl der Oxyethylengruppen; bei einem Massenverhältnis von 1:19 können die beiden Systeme C14/16AOS/SHL-PS und C18EmSO/SHL-PS die Grenzflächenspanung auf unter 10−2 mN/m senken, wobei der Mechanismus nicht dergleiche ist.
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© 2015, Carl Hanser Publisher, Munich
Artikel in diesem Heft
- Contents/Inhalt
- Contents
- Physical Chemistry
- Pt Nanoparticles via Oil-in-Water Microemulsions Stabilized by a Technical Grade Surfactant: An Economical and Ecological Approach
- Research of Binary Surfactant Mixtures Based on α-Sulphonated Fatty Acid Methyl Ester
- Oil/water Interfacial Tension of Shengli Petroleum Sulfonate/α-Olefin or Polyethyleneoxy Ether Sulfonate Binary Systeme
- Kinetic Study of the Formation of Ruhemann's Purple in Micellar and Microemulsion Phases
- Application
- Laboratory Study of Water Shutoff by Activated Heavy Oil for High Temperature and High Salinity Reservoirs
- Electrokinetic Potentials of Cotton Fabrics Dyed and Finished in Presence of LAS and Alkyl Polyglucosides and Dye Transfer Inhibitor
- Experimental Evaluation of Hygienic Conditions in Domestic Dishwashers
- Environmental Chemistry
- Development and Evaluation of an Environmentally Friendly Calcium Carbonate and Calcium Sulfate Scales Inhibitor
- Novel Surfactants
- Synthesis and Properties of Alkyl Dibenzyl Ether Quaternary Ammonium Gemini Surfactant
- Synthesis, Characterization and Antimicrobial Evaluation of Three New Cationic Surfactants
Artikel in diesem Heft
- Contents/Inhalt
- Contents
- Physical Chemistry
- Pt Nanoparticles via Oil-in-Water Microemulsions Stabilized by a Technical Grade Surfactant: An Economical and Ecological Approach
- Research of Binary Surfactant Mixtures Based on α-Sulphonated Fatty Acid Methyl Ester
- Oil/water Interfacial Tension of Shengli Petroleum Sulfonate/α-Olefin or Polyethyleneoxy Ether Sulfonate Binary Systeme
- Kinetic Study of the Formation of Ruhemann's Purple in Micellar and Microemulsion Phases
- Application
- Laboratory Study of Water Shutoff by Activated Heavy Oil for High Temperature and High Salinity Reservoirs
- Electrokinetic Potentials of Cotton Fabrics Dyed and Finished in Presence of LAS and Alkyl Polyglucosides and Dye Transfer Inhibitor
- Experimental Evaluation of Hygienic Conditions in Domestic Dishwashers
- Environmental Chemistry
- Development and Evaluation of an Environmentally Friendly Calcium Carbonate and Calcium Sulfate Scales Inhibitor
- Novel Surfactants
- Synthesis and Properties of Alkyl Dibenzyl Ether Quaternary Ammonium Gemini Surfactant
- Synthesis, Characterization and Antimicrobial Evaluation of Three New Cationic Surfactants