引用本文:沈少春,李应成,沙鸥,GeorgeJ.Hirasaki,MauraPuerto,ClarenceA.Miller. 电位滴定分析ASP驱采出液中表面活性剂浓度[J]. 石油与天然气化工, 2017, 46(6): 86-90.
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电位滴定分析ASP驱采出液中表面活性剂浓度
沈少春1,李应成1,沙鸥1,GeorgeJ.Hirasaki2,MauraPuerto2,ClarenceA.Miller2
1.中国石化上海石油化工研究院;2.Rice University
摘要:
以十二烷基磺酸钠为例,考察了利用电位滴定方法分析ASP三元复合驱采出液中表面活性剂浓度时,pH值、盐度、聚合物含量、石油酸皂浓度等因素对分析结果的影响,研究出因石油酸皂和聚合物的存在导致结果偏高的消除方法,并对方法的检出限进行研究。该方法为ASP三元驱中十二烷基磺酸钠类阴离子表面活性剂浓度的分析提供了参考。
关键词:  电位滴定法  ASP三元驱  十二烷基磺酸钠 
DOI：10.3969/j.issn.1007-3426.2017.06.017
分类号:
基金项目:
Potentiometric titration analysis of surfactant concentration in ASP flooding effluents
Shen Shaochun1, Li Yingcheng1, Sha Ou1, George J. Hirasaki2, Puerto Maura2, Clarence A. Miller2
1. SINOPEC Shanghai Research Institute of Petrochemical Technology, Shanghai, China;2. Rice University, Texas, USA
Abstract:
Taking sodium dodecyl sulfonate (SDS) as an example, the influence of factors such as pH value, salinity, polymer concentration and petroleum acid soap concentration on the titration results of surfactant concentration has been investigated. The titration result is on the high side because of the existing of petroleum acid soap and polymer may. And a method to minimize the influence of petroleum acid soap and polymer on the titration results is developed. Besides, the method detection limit is also studied. This method provides a reference for the concentration analysis of anionic surfactants such as SDS in ASP flooding.
Key words:  potentiometric titration  ASP flooding  sodium dodecyl sulfonate