Viscosity of aqueous CO2 solutions measured by dynamic light scattering

Tsutomu Uchida, Ryo Ohmura, Jiro Nagao, Satoshi Takeya, Takao Ebinuma, Hideo Narita

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The viscosity of water containing dissolved CO2 at pressures up to 5 MPa was measured by a new method based on dynamic light scattering. The accuracy of this method was checked by measuring the temperature dependence of the viscosity of pure water at pressures up to 5 MPa and comparing the results to values in the literature that were determined by other methods. The discrepancy of the measured viscosity of water from the literature was ±6%, which roughly equals the composite uncertainty of this method. The effect of dissolved CO2 on the viscosity was determined as functions of time, temperature, and pressure. The results indicated that the viscosity of the solution increased with increasing CO2 concentration. High viscosities were observed under conditions in which CO2 hydrates can form.

Original languageEnglish
Pages (from-to)1225-1229
Number of pages5
JournalJournal of Chemical and Engineering Data
Volume48
Issue number5
DOIs
Publication statusPublished - 2003 Sep
Externally publishedYes

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Dynamic light scattering
Viscosity
Water
Hydrates
Temperature
Composite materials

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Viscosity of aqueous CO2 solutions measured by dynamic light scattering. / Uchida, Tsutomu; Ohmura, Ryo; Nagao, Jiro; Takeya, Satoshi; Ebinuma, Takao; Narita, Hideo.

In: Journal of Chemical and Engineering Data, Vol. 48, No. 5, 09.2003, p. 1225-1229.

Research output: Contribution to journalArticle

Uchida, Tsutomu ; Ohmura, Ryo ; Nagao, Jiro ; Takeya, Satoshi ; Ebinuma, Takao ; Narita, Hideo. / Viscosity of aqueous CO2 solutions measured by dynamic light scattering. In: Journal of Chemical and Engineering Data. 2003 ; Vol. 48, No. 5. pp. 1225-1229.
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