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Effects of asphaltene, resin and crude oil type on the interfacial tension of crude oil/brine solution
, Article Fuel ; Volume 223 , July , 2018 , Pages 261-267 ; 00162361 (ISSN) ; Ayatollahi, S ; Sharif University of Technology
Elsevier Ltd
2018
Abstract
In recent years, the behavior of crude oil interfacial tension (IFT) as a function of salt concentration have been investigated. The results found in literature are highly controversial, thus the current experimental study aimed to clarify the reasons behind this by developing a methodology based on extracting asphaltene and resin from three different crude oils and performing elemental analysis on them. In addition, the effect of salinity on the IFT of three studied crude oil was compared with the synthetic crude oil consisted of different weight percent (wt%) of asphaltene and resin in toluene. The obtained results revealed that the IFT of crude oil as a function of salinity depended not...