HIGH-PRESSURE VAPOR-LIQUID AND VAPOR-LIQUID-LIQUID EQUILIBRIA FOR SYSTEMS CONTAINING SUPERCRITICAL CARBON-DIOXIDE, WATER AND FURFURAL

被引：24

作者：

SAKO, T ^{[1
]}

SUGETA, T ^{[1
]}

NAKAZAWA, N ^{[1
]}

OTAKE, K ^{[1
]}

SATO, M ^{[1
]}

ISHIHARA, K ^{[1
]}

KATO, M ^{[1
]}

机构：

[1] NIHON UNIV,FAC ENGN,DEPT IND CHEM,KORIYAMA,FUKUSHIMA 963,JAPAN

来源：

FLUID PHASE EQUILIBRIA | 1995年 / 108卷 / 1-2期

关键词：

EXPERIMENTS; DATA; VLE HIGH PRESSURE; VLLE HIGH PRESSURE; SUPERCRITICAL CARBON DIOXIDE; FURFURAL; WATER;

D O I：

10.1016/0378-3812(95)02706-K

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

We measured vapor-liquid equilibrium for a binary system CO2-furfural at temperatures of 303 and 323 K and vapor-liquid-liquid equilibrium for a ternary system CO2-water-furfural at temperatures of 303, 323 and 343 K and pressure of 5 MPa to obtain fundamental data for concentration of furfural by using three phase separation technique. Furthermore the experimental data were compared with results calculated by the Peng-Robinson equation of state combined with an asymmetric mixing rule. Results indicated that (1) the furfural-rich liquid phase contained more than 90wt% furfural on CO2-free basis and its concentration increased with decrease in temperature, and (2) the Peng-Robinson equation correlated the binary vapor-liquid equilibrium satisfactorily and estimated the ternary vapor-liquid-liquid equilibrium fairly well.

引用

页码：293 / 303

页数：11

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