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Russian Geology and Geophysics

2001 year, number 8

MASS TRANSFER BETWEEN PHASES IN A SURFACTANT-CONTAINING MAGMA1249

V. N. Dorovskii
Keywords: Extraction, magmatic melts, surfactants, hydrodynamics
Pages: 1249-1259

Abstract

The thermodynamics of admixture extraction in magmatic melts with the presence of surfactants is considered. A theory for hydrodynamic transfer of the admixtures in a surfactant field is developed. It is demonstrated that admixtures move to zones of increased surfactant concentrations. Equations describing the self-conforming particle motion and surfactant diffusion have been deduced. It is suggested that the extraction process is unstable, which results in a dramatic reduction in the characteristic diffusion times of extraction.