WETTABILITY OF SILICA GEL OR KAOLIN, FLUORESCENCE AND MIMIC OIL RECOVERY

doi:10.7517/j.issn.1674-0475.1999.04.296

Abstract

Abstract: The wettability of the solid powders (silica gel or kaolin) were measured with Washburn equation expressed as contact angles. The contact angle changes for SDBS(Sodium Dodecyl Benzene Sulfonate) aqueous solutions on a silica gel or kaolin powder were studied. The average aggregation number of micelle in SDBS aqueous solution was measured with fluorescence quenching method. The relationship among the wettability of the powder, the critical micelle concentration (CMC) of SDBS and the mimic oil recovery of the resident oil on the powder was explored.

Key words: surfactant, steady-state fluorescence, Washburn method, wettability, oil recovery

BI Zhichu, XU Fei, ZHANG Zhenshu, YU Jiayong. WETTABILITY OF SILICA GEL OR KAOLIN, FLUORESCENCE AND MIMIC OIL RECOVERY[J]. Imaging Science and Photochemistry, 1999, 17(4): 296-302.

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WETTABILITY OF SILICA GEL OR KAOLIN, FLUORESCENCE AND MIMIC OIL RECOVERY

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