Synthesis and the Study of Oil Displacement Performance of Stearate-2-Hydroxy-3-Propane Sulfonic Acid Sodium Salt

Abstract:

The stearate-2-hydroxy-3-propane sulfonic acid sodium salt was synthesized by using sodium bisulfite,epichlorohydrin,sodium phosphate and stearic acid.The influence factors on reaction temperature, reaction time ,the amount of catalyst and reactant molar ratio and so on to the yield were investigated.The favorable conditions of synthesizing were determined:Epichlorohydrin was dropped into the solution of sodium bisulfite of 85°C,the dropping 2h and keeping 1.5h. 3-chlorine-2-hydroxy-propane sulfonic acid sodium was synthesized. 3-chlorine-2-hydroxy-propane sulfonic acid sodium was dropped into the solution of sodium phosphate at 55°C and 4h reaction time.The 2,3-oxiranemethane sulfonic acid sodium salt was synthesized. reactant molar ratio: 1:1.1，2,3-oxiranemethane sulfonic acid sodium salt solution was dropped into the solution of stearic acid of 90°C,the dropping 0.5h and keeping 2.5h . Stearic acid-2-hydroxy-3-propane sulfonic acid sodium salt was synthesized. The yield was 85.1 %.The product was characterized by FTIR. The surface tensions of the surfactant product water solutions were determined, The critical micelle concentrations of 4.62mmol/L were obtained.Artificial core physical simulation flooding experiments was developed.the flooding efficiency of the surfactant is about 12.21%.

• Periodical: Advanced Materials Research (Volumes 690-693)
• Pages: 1292-1296
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.690-693.1292
• Online since: May 2013
• Authors: Yu Lan Hao, Jiao Yang Wang, Rong Ming Zhang, Zhong Bao Ma
• Keywords: Epichlorohydrin, Stearate-2-Hydroxy-3-Propane Sulfonic Acid Sodium Salt, Stearic Acid, Synthesis

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