Diffusion Coefficients of Methane in Methylbenzene and Heptane at Temperatures between 323 K and 398 K at Pressures up to 65 MPa
2020 ◽
Vol 41
(8)
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Keyword(s):
Abstract We reported experimental measurements of the diffusion coefficient of methane at effectively infinite dilution in methylbenzene and in heptane at temperatures ranging from (323 to 398) K and at pressures up to 65 MPa. The Taylor dispersion method was used and the overall combined standard relative uncertainty was 2.3%. The experimental diffusion coefficients were correlated with a simple empirical model as well as the Stokes–Einstein model with the effective hydrodynamic radius of methane depending linearly upon the solvent density. The new data address key gaps in the literature and may facilitate the development of an improved predictive model for the diffusion coefficients of dilute gaseous solutes in hydrocarbon liquids.
2005 ◽
Vol 10
(5)
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pp. 523-528
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2010 ◽
Vol 297
(1)
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pp. 62-66
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2010 ◽
Vol 55
(7)
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pp. 2610-2612
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1991 ◽
Vol 87
(22)
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pp. 3667-3670
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1992 ◽
Vol 5
(4)
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pp. 242-250
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1999 ◽
Vol 44
(1)
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pp. 93-97
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1990 ◽
Vol 94
(12)
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pp. 5180-5183
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2011 ◽
Vol 56
(12)
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pp. 4840-4848
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2008 ◽
Vol 44
(3)
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pp. 294-300
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