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| Properties of microemulsions with different oil phase and their solubilization capacities for phenanthrene |
| ZHANG Han-yuan1,2, LU Hao-jie1,2, REN Li-ming1,2, FAN Ye1,2, YANG Chao-ge1,2, DONG Jun1,2 |
1. College of New Energy Resource and Environment, Jilin University, Changchun 130021, China;
2. Key Laboratory of Groundwater Resources and Environment(Jilin University), Ministry of Education, Changchun 130021, China |
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Abstract The phase diagrams of microemulsion systems comprised of Tween 80 as surfactant, pentanol as co-surfactant and three different vegetable oils (soybean oil, palm kernel oil, sunflower oil) as oil phase were constructed for studying the effect of different oils on the properties of microemulsions. Three different vegetable oil-based microemulsions were prepared with different mass ratios of oil/surfactant (O/S), and the solubilization of phenanthrene were compared. The results indicated that different oils had great influence on the phase forming ability and dilution characteristic. The phase forming and dilution abilities of three microemulsions were weakened in the order:palm kernel oil > sunflower oil > soybean oil. The three vegetable oil-based microemulsions with different water contents had similar conductivity trends and showed Newtonian behavior. The solubilization capacities of the prepared microemulsions for phenanthrene increased with the increase of oil content in the system. The soybean-based microemulsion had the lowest solubilization capacity for phenanthrene. The palm kernel oil-based microemulsion had the maximal solubilization capacity for phenanthrene at O/S=0.1, which can up to 2.18g/L.
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Received: 11 March 2019
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