MEASUREMENT AND CALCULATION OF THE VISCOSITY OF MIXED AQUEOUS SOLUTIONS OF NaCl AND KCl IN THE TEMPERATURE RANGE 25-150 degree C AND THE PRESSURE RANGE 0-30 MPa.

R. J. Correia, J. Kestin, H. E. Khalifa

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

In order to facilitate the development of predictive methods for the calculations of the viscosity of brines containing several salts, the authors present measurements of the viscosity of mixtures of aqueous solutions, each containing a single salt, namely KCl and NaC in this case. The mixtures studied included one of a total nominal molality of 2 mol/kg, and three of a total nominal molality of 4 mol/kg. - The measurements cover a pressure range of 0-30 MPa and a temperature range of 25-150 degree C and their uncertainty is somewhate better than plus or minus 1%. - The measurements are compared with calculations based on Young's rule, which was successfully used in the past for volumetric properties of mixed brines. The comparison is positive and indicates that a start has been made towards the formulation of a predictive method of calculation.

Original languageEnglish (US)
Pages (from-to)20-24
Number of pages5
JournalBer Bunsenges Phys Chem
Volume83
Issue number1
DOIs
StatePublished - Jan 1 1979

ASJC Scopus subject areas

  • Chemical Engineering(all)

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