Solubility calculation of oil-contaminated drill cuttings in supercritical carbon dioxide using statistical associating fluid theory (PC-SAFT)

被引：8
|
作者：
Esmaeilzadeh, Feridun [1 ]
Goodarznia, Irai [2 ]
Daneshi, Raha [1 ]
机构：
[1] Shiraz Univ, Gas Petr & Chem Engn Dept, Shiraz, Iran
[2] Shiraz Univ, Dept Chem & Petr Engn, Shiraz, Iran
来源：
CHEMICAL ENGINEERING & TECHNOLOGY | 2008年 / 31卷 / 01期
关键词：
modeling; solubility; supercritical fluid extraction (SFE);
D O I：
10.1002/ceat.200700021
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Supercritical fluid extraction is a new technology that could be effectively used to treat oil-contaminated drill cuttings generated during drilling for oil and gas. In this work, the solubility of oil-contaminated drill cuttings in supercritical carbon dioxide is obtained by an experimental flow type apparatus. The solubility was measured at 200 bar pressure, over a temperature range of 55-79.5 degrees C. The measured solubility and experimental data for oil in drill cuttings were correlated using the PC-SAFT, PR and SRK EOS models, without any adjustable parameters. Average absolute derivations of less than 15.1 %, 98.7 %, and 99.3 % are achieved between predicted and experimental values for the PC-SAFT, PR and SRK EOS models, respectively, over a wide range of temperatures.
引用
收藏
页码：66 / 70
页数：5
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