期刊
FUEL
卷 81, 期 14, 页码 1847-1853出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0016-2361(02)00050-9
关键词
crude oil emulsion; asphaltene; interfacial film
Interfacial film properties of asphaltenes and resins have been studied by interfacial shear viscosity measurements. The results show that the structure of the asphaltene film at the interface between oil and water is changed from two-dimensional to three-dimensional network as the concentration of the asphaltene at the interface increased. The film can be divided into three types namely expanded liquid film, condensed liquid film and solid-like three-dimensional network film. Furthermore, the structures of the interfacial films formed by asphaltene molecules and asphaltene particles are different and the strengths of these films are also different. The adsorption and migration processes of asphaltene molecules and migration process of asphaltene particles at the interface are different. (C) 2002 Elsevier Science Ltd. All rights reserved.
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