Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 55, Issue 23, Pages 6563-6568Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.6b00836
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- State Key Laboratory of Polymer Materials Engineering [sklpme2014-2-06]
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In oil industry, wax deposition is one of the frequently encountered problems that causes severe issues during the production, storage, and transportation of crude oil. Recently, it is found that addition of nanohybrids to crude oil is an effective niethod-to solve this problem. However, the mechanism of how nanoparticles affect the wax crystallization and rheological behavior of crude oil has not been dearly understood. Here we reported the influence of SiO2 nanopartides on crystallization and rheologicat behavior of model oils :with and without asphaltene and resin. It was demonstrated that the wax appearance temperature increased upon the addition of SiO2 nanopartides of model oil without asphaltenes and-resin, while the theological behavior was less affected. When in the presence of asphaltenes and resin, the amount of wax crystals, wax appearance temperature, and Theological parameter of model oils were found to decrease while SiO2, nanofluid was added, resulting in the improvement of flowability.
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