IN-SITU EXTRACTION AND PURIFICATION OF ETHANOL USING COMMERCIAL OLEIC-ACID

被引：18
作者：
JASSAL, DS [1 ]
ZHANG, Z [1 ]
HILL, GA [1 ]
机构：
[1] UNIV SASKATCHEWAN,DEPT CHEM ENGN,SASKATOON S7N 0W0,SK,CANADA
来源：
CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 1994年 / 72卷 / 05期
关键词：
ETHANOL; FERMENTATION; EXTRACTION; PURIFICATION; FLASH; MODELING;
D O I：
10.1002/cjce.5450720508
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The flash process for the removal of ethanol from commercial oleic acid has been experimentally studied and modelled using a modified Redlich-Kwong-Soave equation of state (RKAES) and the ASPEN process simulator. Using feed ethanol and water concentrations spanning the range of expected liquid-liquid extraction concentrations, it was found that 93.6% by weight of ethanol in the distillate was obtained consuming only 2 MJoules of energy per kilogram of ethanol recovered. The RKAES model was found to reasonably predict the ethanol recovery and purity with errors under 5%. Commercial oleic acid was found to be completely non-inhibitory towards the growth of Saccharomyces cerevisiae cells when used for in-situ extraction at a concentration of 50% of the total fermenter volume.
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页码：822 / 827
页数：6
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