Synthesis of Petroleum Sulfonate Surfactant by Different Sulfonating Agent with Application of HIGEE Technology
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Synthesis of Petroleum Sulfonate Surfactant by Different Sulfonating Agent with Application of HIGEE Technology
Chinese Journal of Chemical EngineeringVol. 18, Issue 5, Pages: 848-855(2010)
Affiliations:
Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology,Beijing,China,100029
With the application of HIGEE process intensification technology
petroleum sulfonate surfactant used for enhanced oil recovery was synthesized from petroleum fraction of Shengli crude oil with three sulfonating agents
including diluted liquid sulfur trioxide
diluted gaseous sulfur trioxide and fuming sulfuric acid. For each sulfonating agent
different operation modes (liquid-liquid or gas-liquid reaction with semi-continuous or continuous operation) were applied. The effects of various experimental conditions
such as solvent/oil mass ratio
sulfonating agent/oil mass ratio
gas/liquid ratio
gas concentration
reaction temperature
rotating speed
circulation ratio
reaction time and aging time
on the content of active matter and unsulfonated oil were investigated. Under relatively optimal reaction conditions
the target product was prepared with high mass content of active matter (up to 45.3%) and extremely low oil/water interfacial tension (4.5×10
-3
mN·m
-1
). The product quality and process efficiency are higher compared with traditional sulfonation technology.
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