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Calculation of phase equilibria in systems containing water and supercritical components

✍ Scribed by H. Wenzel; W. Rupp

Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
498 KB
Volume
33
Category
Article
ISSN
0009-2509

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✦ Synopsis

Ah&met

-The Redhch-Kwong equation of state was used m both the hqmd and vapour phases to calculate vapour-lrqmd eqmhbna m bmary and ternary systems contammg water as well as C02. H,S, NZ, CH4 and C4H,, at pressures up to 600 bar A three phase calculation m the system H,O-CH&.H,, IS mcluded In order to reproduce pubhshed data the calculations use an Increased molar volume of hqmd water to fit the m-parameters This IS interpreted as reflectmg association m hquid water No second adjustable parameter 1s introduced mto the mixmg rules

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## Abstract An improved method is presented for handling isomer groups in the calculation of chemical equilibria in complex hydrocarbon mixtures. The new method reduces the number of simulataneous equations involved and makes practical the rigorous calculation of any hydrocarbon system for which fr