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Redlich-Kwong equation

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Journal Article
Published: 01 December 1992
European Journal of Mineralogy (1992) 4 (6): 1303–1310.
Journal Article
Published: 01 December 1983
American Mineralogist (1983) 68 (11-12): 1059–1075.
... Redlich-Kwong equation of state (Bowers and Helgeson, 1983). Diagrams of this kind indicate that increasing NaCl concentration results in higher temperatures and/or lower predicted values of X CO 2 , for equilibrium mineral assemblages than would be true for the binary system H 2 O-CO 2 . Transection...
Journal Article
Published: 01 December 1993
American Mineralogist (1993) 78 (11-12): 1135–1142.
... is 28.0–29.4 cm 3 /mol, which is similar to that of solid Xe, 32–29 cm 3 /mol at 89 °C between 10 and 20 kbat (Lahr and Eversole, 1962). Calculations using the Redlich-Kwong equation and corresponding states theory yield values for the volume of the vapor of 32.5 cm 3 /mol for Ar and 39.4 cm 3 /mol for Xe...
Journal Article
Published: 01 February 1989
American Mineralogist (1989) 74 (1-2): 50–57.
... or an imposed f O . The requisite fugacity coefficients were calculated with the modified Redlich-Kwong equation of state (MRK EOS) of Holloway (1977, l98l). Comparison of the composition and speciation of the fluid calculated with the two sets of constraints illustrates the differences between the imposed- f O...
Journal Article
Published: 01 August 1986
American Mineralogist (1986) 71 (7-8): 900–915.
.... A modified Redlich-Kwong equation of state for nonideal mixing of H 2 O and CO 2 was used to calculate the mole fraction of CO 2 (about 0.8) in the fluid phase necessary to displace the equilibrium curve anthophyllite = 7 enstatite + quartz + water to the estimated P-T conditions on the isograd. The presence...
Journal Article
Published: 01 June 1982
American Mineralogist (1982) 67 (5-6): 451–462.
... greater than those predicted by the modified Redlich-Kwong equation. Copyright © 1982 by the Mineralogical Society of America 1982 ...
Image
(a) Vapor pressure curve of carbon dioxide (CO 2 ) calculated using Soave-R...
Published: 01 July 2007
Figure 10. (a) Vapor pressure curve of carbon dioxide (CO 2 ) calculated using Soave-Redlich-Kwong equation ( Soave 1972 ). (b) Density of carbon dioxide (CO 2 ) as a function of pressure at temperatures between 0 °C and 150 °C calculated using Soave-Redlich-Kwong ( Soave 1972 ) equation
Image
Graphite saturation surface as function of logfO 2  and X H2O  at 1000°C an...
Published: 01 November 2004
Fig. 8. Graphite saturation surface as function of logfO 2 and X H2O at 1000°C and pressures of 22, 27 and 32 kbar calculated using a modified Redlich-Kwong equation of state for a C-O-H fluid in equilibrium with graphite ( Connolly & Cesare, 1993 ). The X H20 symbolizes the molar
Image
Isobaric  T – X (CO 2 ) diagram calculated using measured mineral compositi...
Published: 01 May 2001
Fig. 6. Isobaric T – X (CO 2 ) diagram calculated using measured mineral compositions, thermodynamic data from Holland and Powell ( 1998 ), mineral activity models from Engi and Wersin ( 1987 ), Fuhrman and Lindsley ( 1988 ), and Fitzsimons and Harley ( 1994 ), and the modified RedlichKwong
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Pressure dependence of S vapor-melt partitioning calculated using the empir...
Published: 01 January 2011
Figure 5. Pressure dependence of S vapor-melt partitioning calculated using the empirical model of Scaillet and Pichavant (2005) and the Redlich-Kwong equation of state for fugacity coefficients for pure SO 2 . Calculations were made for a primitive basaltic melt from Jorullo volcano ( Johnson
Journal Article
Published: 01 September 1999
American Mineralogist (1999) 84 (9): 1319–1332.
... Redlich-Kwong (MRK) reconstruction of Kerrick and Jacobs (1981) to pressures of 6 kbar, but the binary fluids have marginally greater positive non-ideality than the MRK predictions at 10 kbar and significantly greater non-ideality at 14 kbar. The present results can serve as a basis for reliable...
Journal Article
Published: 01 April 1998
American Mineralogist (1998) 83 (3-4): 213–219.
... equations of state for CO 2 shows that only those of Mader and Berman (1991) and Frost and Wood (1997) meet the constraints imposed by this study near 1000 degrees C and 10-20 kbar. The modified Redlich-Kwong (MRK)-based equations of state overestimate CO 2 fugacity in this pressure range. GeoRef...
Journal Article
Published: 01 December 1981
American Mineralogist (1981) 66 (11-12): 1135–1153.
...G. K. Jacobs; D. M. Kerrick Abstract Experimental equilibrium brackets have been obtained in H 2 O–CO 2 and H 2 O–CO 2 –NaCl fluids for several decarbonation equilibria. Using available thermodynamic data and activities for H 2 O and CO 2 calculated from the modified hard-sphere Redlich-Kwong...
Journal Article
Published: 01 April 1979
American Mineralogist (1979) 64 (3-4): 288–293.
... from experimental data (1.40±0.15 at X CO 2 = 0.5 and 1.62±0.13 at X CO 2 = 0.3) are sufficiently close to values predicted by modified Redlich-Kwong (MRK) functions (Holloway, 1977) to warrant calculation of the divariant decarbonation surface to 60 kbar. The calculations are possible because...
Journal Article
Published: 01 June 2001
Petroleum Geoscience (2001) 7 (2): 181–189.
... using extended analyses in the Peng–Robinson equation of state . Canadian Journal of Chemical Engineering , 56 , 610 – 615 . Fussel D.D. Yanosik J.L. 1978 . An iterative sequence for phase equilibria calculations incorporating the RedlichKwong equation of state . SPE Journal , 30...
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Journal Article
Published: 01 October 2012
The Canadian Mineralogist (2012) 50 (5): 1173–1195.
... temperature and pressure as input parameters ( Holland & Powell 1991 , Evans et al. 2010 ). TABLE 3 OVERVIEW OF ACTIVITY AND EQUATION OF STATE MODELS IMPLEMENTED IN TSOLMOD LIBRARY Derived class name Description Fluids and gases TSRKcalc Multicomponent Soave-Redlich-Kwong...
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Journal Article
Published: 01 July 2015
American Mineralogist (2015) 100 (7): 1335–1336.
... the melt and the mole fractions of CO 2 and H 2 O in the vapor phase were calculated by applying the Redlich-Kwong equation. To calculate the original concentration of CO 2 in the melt at the time of trapping, the authors added the estimated mass CO 2 back into each inclusion. In their paper...
Journal Article
Published: 01 September 2000
American Mineralogist (2000) 85 (9): 1117–1127.
... conditions in IHPV; col. 6 = fugacity calculated using the equation of Redlich and Kwong (1949) , critical constants from Borchers et al. (1971) , col. 7 = Solubility determined by GC (Hewlett-Packard). * Mean value of 14 measurements for both grain sizes, error = 1σ † Determined...
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Journal Article
Published: 01 July 2007
Reviews in Mineralogy and Geochemistry (2007) 65 (1): 49–97.
...{n_{T}b})}\] \end{document} Because of the success of the Redlich-Kwong equation, Soave (1972) proposed a more generalized form of the attractive term than used in Equation (33), (34) \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts...
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Journal Article
Published: 01 July 2007
Reviews in Mineralogy and Geochemistry (2007) 65 (1): 241–258.
...Figure 10. (a) Vapor pressure curve of carbon dioxide (CO 2 ) calculated using Soave-Redlich-Kwong equation ( Soave 1972 ). (b) Density of carbon dioxide (CO 2 ) as a function of pressure at temperatures between 0 °C and 150 °C calculated using Soave-Redlich-Kwong ( Soave 1972 ) equation...
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