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Constants for Binary Mixtures

DOI 10.1615/hedhme.a.000527

5.5 PHYSICAL PROPERTY DATA TABLES
5.5.4 Constants for binary mixtures

This section supplies the constants necessary for prediction of nonideal behavior using the Analytical Solution Of Groups (Table 1aTable 1k). UNIFAC (Table 2a and Table 2b) and Parameters From Group Contributions (Table 3). Methods discussed in Section 504B.

Table 1a Parameters for use in the analytical solution of groups

Alcohol-hydrocarbon-water systems at 60 °C (1)
Group pairCompoundsAssignments
CH2OHFH
CH2 Hexane6.06.0
OHWater 1.41.0
Water 1.41.0
Pentane5.0 5.0
Methanol1.0 1.02.0
Water 1.41.0
Heptane7.0 7.0
Butanol4.0 1.05.0
Parameters
CH2 1.00.305
OH 0.01471.0

Table 1b Parameters for use in the analytical solution of groups

Methanol-glycerol systems (1)
Group pairCompoundsAssignments
CH2OHGOHFH
CH2 Glycerol 6.06.0
Glycerol 6.06.0
OH–Methanol 1.0 1.0 2.0
Glycerol
Calc.Water 1.4 1.0
Glycerol 6.06.0
Parameters
CH2 1.0 0.305 0.353
OH 0.0147 1.0 1.095
Glycerol 0.0153 0.991 1.0

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