Phase Behavior of Sodium Dodecyl Sulfate-n-Butanol-Kerosene-Water Microemulsion System

刘会娥; 张孝坤; 丁传芹; 陈爽; 齐选良

doi:10.1016/S1004-9541(14)60095-1

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Phase Behavior of Sodium Dodecyl Sulfate-n-Butanol-Kerosene-Water Microemulsion System

催化、动力学与反应工程 | Updated：2026-01-06

- Phase Behavior of Sodium Dodecyl Sulfate-n-Butanol-Kerosene-Water Microemulsion System
- Chinese Journal of Chemical Engineering Vol. 22, Issue 6, Pages: 699-7051004-954160095-1(2014)
- Affiliations：
  
  State Key Laboratory of Heavy Oil Processing, China University of Petroleum,Qingdao,China,266555
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(14)60095-1
  CLC：
- Published：2014
- Accepted：
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-Butanol-Kerosene-Water Microemulsion System[J]. Chinese Journal of Chemical Engineering, 2014, 22(6): 699-705.
DOI：

-Butanol-Kerosene-Water Microemulsion System[J]. Chinese Journal of Chemical Engineering, 2014, 22(6): 699-705. DOI： 10.1016/S1004-9541(14)60095-1.

摘要

Abstract

Experiments were carried out to investigate the influences of cation from electrolytes and acidity/alkalinity on the phase behavior of sodium dodecyl sulfate-n-butanol-organics-water (with electrolytes) microemulsion system. The organics used is commercial kerosene. The volume ratio of water to organics is 1:1. The results show that the type and valence of electrolyte cations are important factors influencing the microemulsion behavior. Bivalent Ca

is more effective than monovalent K

and Na

for the formation of Winsor type III and II microemulsion. For electrolytes with the same monovalent cation Na

#em

/em#.e. NaCl and Na

anions in the electrolyte have some effect. Bivalent anion leads to a lower activity of cation Na

than monovalent anion Cl

. NaOH (or KOH) behaves similar with NaCl (or KCl). When HCl is used as electrolyte

its acidity plays an important role. Phase inversion of microemulsion from type III (or II) to type I is observed through precipitation of Ca

using Na

neutralization of HCl by NaOH

and addition of water to the system

which releases the oil from the microemulsion.

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