Analytical Representation of the Curves of Liquid–Vapor Phase Equilibrium for Saturated Hydrocarbons

被引:0
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作者
N. M. Kuznetsov
E. N. Aleksandrov
O. N. Davydova
机构
[1] Russian Academy of Sciences,Semenov Institute of Chemical Physics
[2] Russian Academy of Sciences,Emanuel Institute of Biochemical Physics
[3] Russian Academy of Sciences,Institute of Chemical Physics
来源
High Temperature | 2002年 / 40卷
关键词
Methane; Statistical Physic; Hydrocarbon; Alkane; Phase Equilibrium;
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摘要
A unified two-parameter approximation formula is used to derive analytical dependences for P(T) curves of liquid–vapor phase equilibrium of saturated hydrocarbons CnH2n + 2 (alkanes) with numbers 1 ≤ n ≤ 20 from methane (n = 1) to eicosane (n = 20). Two approximation options are given, namely, that involving the use of individual values of parameters for each alkane, and that in the form of a unified formula in which the only parameter characterizing an individual component is the number n.
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页码:359 / 363
页数:4
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