TY - JOUR
T1 - Saturated liquid densities of n-butane-isobutane, n-butane-propane, isobutane-propane, and n-butane-isobutane-propane mixtures
AU - Kaminishi, G.
AU - Yokoyama, C.
AU - Takahashi, S.
PY - 1991/1/1
Y1 - 1991/1/1
N2 - In a study on the saturated liquid densities of LPGs, the liquid densities of n-butane-isobutane, n-butane-propane, isobutane-propane, and n-butane-isobutane-propane mixtures were measured at 273.15-323.15 K using a pressurized pycnometer, the maximum error of estimation being 0.2%. With the exception of n-butane-isobutane mixtures, the experimentally determined densities were higher than the densities calculated additively from the mole fractions, but were almost the same as the densities calculated additively from the weight fractions, within the bounds of experimental error. Hankinson and Thomson's and Teja's methods gave estimates of almost equal precision with an absolute average error of < 0.1%, but the MRK equation gave rather less precise estimates.
AB - In a study on the saturated liquid densities of LPGs, the liquid densities of n-butane-isobutane, n-butane-propane, isobutane-propane, and n-butane-isobutane-propane mixtures were measured at 273.15-323.15 K using a pressurized pycnometer, the maximum error of estimation being 0.2%. With the exception of n-butane-isobutane mixtures, the experimentally determined densities were higher than the densities calculated additively from the mole fractions, but were almost the same as the densities calculated additively from the weight fractions, within the bounds of experimental error. Hankinson and Thomson's and Teja's methods gave estimates of almost equal precision with an absolute average error of < 0.1%, but the MRK equation gave rather less precise estimates.
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M3 - Article
AN - SCOPUS:0025852747
VL - 31
SP - 103
EP - 108
JO - International chemical engineering
JF - International chemical engineering
SN - 0020-6318
IS - 1
ER -