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A Review and Evaluation of the Phase Equilibria, Liquid-Phase Heats of Mixing

By Kidnay, A. J.

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Book Id: WPLBN0000659643
Format Type: PDF eBook
File Size: 1.53 MB.
Reproduction Date: 2005
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Title: A Review and Evaluation of the Phase Equilibria, Liquid-Phase Heats of Mixing  
Author: Kidnay, A. J.
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Language: English
Subject: Technology., Reference materials, Technology and literature
Collections: Techonology eBook Collection
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Kidnay, A. (n.d.). A Review and Evaluation of the Phase Equilibria, Liquid-Phase Heats of Mixing. Retrieved from http://hawaiilibrary.net/


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Technical Reference Publication

Excerpt
Introduction: This paper is a continuation of previous on the review, evaluation, and correlation of phase equilibria and related data on industrially important binary systems of fluids. The first system considered was methane + ethane, the second was methane -I- propane and the present work is concerned with the nitrogen + methane system. These are three of the most important systems related to the natural gas industry.

Table of Contents
Contents 1. Introduction ........................................................ 682 10. Saturated liquid mixture excess volumes VE ver- 23.. PNuortea tFioluni d... P...r.o..p..e..r.t.i..e.s.. ...................................................................................... 668822 sNu,s +t eCmHp, emraitxutruer esT .. ....f.o..r.. ...n..e..a.r..l.y.. ...e..q..u..i.m...o..l.a..r. 4. Evaluation of Experimental Data ........................ 685 11. Deviations between modified hslrd-sphere model 4.1. Low-Temperature Phase Equilibria and excess volumes VE,, and experimental excess Heats of Mixing ........................................... 685 volumes VEX,, versus temperature T for nearly 4.2. High-Temperature Phase Equilibria (In- equimolar N, + CH, liquid mixtures at pres- cluding Critical Locus) ................................ 686 sures below 2 MPa. ............................................ 4.3. Liquid Excess Volumes ............................... 689 12. Deviations between modified hard-sphere model 4.4. Gas-Phase PVT Data ................................. 691 excess volumes VL,, and experimental excess 5. Summary .............................................................. 692 volumes V&,, versus pressure P for nearly 6. Acknowledgment ................................................. 693 equimolar N, + CH, liquid mixtures at tem- 7. References ............................................................ 693 peratures from 96 to 120 K ................................ Appendix A. Calculational Method Used to Obtain 13. Percentage deviations between experimental gE Values from PTxy Data ................................... 694 molar densities and molar densities calculated by Appendix B. Isotherm Generation from the Data of an extended corresponding states model versus Bloomer and Parent (Ref. 7). ................................ 694 density at tempesatllres between270and 323 K List of Figures 14. Percentage deviation between experimental mo- 1. Comparison of 8 from P,Tj (closed symbols) lar densities and molar densities calculated by an and P,T,x,y (open symbols) ................................ 686 extended corresp..o..n..d..i.n.g.. ..s..t.a..t.e..s. ..m...o..d..e..l. ..v..e.r..s.u..s. ... 2. Excess Gibbs energy values from P,Tj measure- density at 473 K 15. K-value correlation for the N, + CH, system ... ments .................................................................. 686 3. Henry's constants .............................................. 687 16. Pressure-compositi.o..n.. ......c.o..r..r.e..l.a..t.i.o..n.. ....f.o..r. .....t.h..e.. . 4. The enhancement factor as a function of the N, + CH, system pressure difference, P - PE,+ ............................ 688 List of Tables 5. The enhancement factor as a function of the 1. Survey of experimental data for vapor-liquid pressure difference, P - P gK ............................ 688 equilibria, heats of mixing, and volume changes 6. The pressure difference as a function of liquid- on mixing for nitrogen + methane ..................... phase concentration at 130 K ............................ 688 2. ~ i ~ ~conditio-ns f~or ni~trogien a~nd m~eth ane 7. The pressure difference as a function of liquid- from Refs. 43 and 44 .......................................... phase concentration at 172 K ............................ 689 3. ~ ~of ~ (exp) v~apor pres- ~ r 8. The critical locus of the N, + CH, system ........ 689 sures with those listed in Refs. 43 and 44 .......... 9 The critical lorus of the N, + CH, system 4. Equimolar cxccss Gibbs cncrgy for N2 + CII, .. 5. Mutually consistent isothermal VLE and hE Department of Chemcal Engnee~agn d Petroleum Refining, Colorado data at temperatures below 126 K ..................... School of Mines. 6. Henry's constants ............................................... blDepartment of Chemical Engineering, Washington State University. 7. Mutually consistent isothermal VLE data at @ 1985 by the U.S. Secretary of Commerce on behalfof the United States. temperatures above 126 K ................................. This copyright is assigned to the American Institute of Physics and the American Chemical Society. B-1.Summary of Fit of Bloomer and Parent's N2- Reprints available from ACS; see Reprints List at back of issue. CH, VLE Data ................................................... 0047-2689/85/030681-14/$05.W 68 1 J. Phys.Chem. Ref. Data, Vol. 14, No. 3,1985

 

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