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Diffusion coefficient of octadecanoic acid ethyl ester in carbon dioxide

  • Jochen Winkelmann
Part of the Physical Chemistry book series (volume 15B2)

Abstract

This chapter provides the diffusion coefficient of octadecanoic acid ethyl ester in carbon dioxide at different concentrations measured using Taylor dispersion technique.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C20 H40 O2

(1)

octadecanoic acid ethyl ester

111-61-5

C O2

(2)

carbon dioxide

124-38-9

Mutual Diffusion Coefficient: D12(T); Method: TAYLOR

Ref.: [1991L13]

T [K]

p [bar]

D ⋅ 109 [m2/s]

 

308 ± 0.2

98.7

7.95

 

308 ± 0.2

112.0

6.95

 

308 ± 0.2

120.0

6.80

 

308 ± 0.2

138.5

6.20

 

308 ± 0.2

160.1

5.79

 

308 ± 0.2

181.3

5.50

 

313 ± 0.2

96.7

10.1

 

313 ± 0.2

103.0

9.12

 

313 ± 0.2

114.0

8.10

 

313 ± 0.2

132.7

7.24

 

313 ± 0.2

163.2

6.29

 

313 ± 0.2

210.5

5.60

 

318 ± 0.2

109.4

10.5

 

318 ± 0.2

117.9

9.4

 

318 ± 0.2

131.7

8.18

 

318 ± 0.2

153.7

7.34

 

318 ± 0.2

188.0

6.40

 

Comment: diffusion in supercritical CO2; reproducibility: ±1%

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

TAYLOR

Taylor dispersion technique

References

  1. [1991L13]
    Liong, K. K., Wells, P. A., Foster, N. R.: Ind. Eng. Chem. Res. 30 (1991) 1329–1335.CrossRefGoogle Scholar

Copyright information

© Springer-Verlag GmbH Germany 2018

Authors and Affiliations

  • Jochen Winkelmann
    • 1
  1. 1.Universität Halle-Wittenberg, Institut für Physikalische ChemieHalle/S.Germany

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