Diffusivity of CO2, CH4, C2H6 and N2 in Athabasca bitumen

被引：151

作者：

Upreti, SR ^{[1
]}

Mehrotra, AK ^{[1
]}

机构：

[1] Univ Calgary, Dept Chem & Petr Engn, Calgary, AB T2N 1N4, Canada

来源：

CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2002年 / 80卷 / 01期

关键词：

diffusivity; carbon dioxide; methane; ethane; nitrogen; bitumen; functional; minimization;

D O I：

10.1002/cjce.5450800112

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Experimental data for the diffusivity of carbon dioxide, methane, ethane and nitrogen in Athabasca bitumen are presented in the range 25-90degreesC at 4 and 8 MPa. The diffusivity of these gases has been determined as a function of gas concentration in bitumen using a non-intrusive experimental method. The diffusivity of gas in general is found to increase with temperature and pressure, and is a unimodal function of concentration. A correlation is provided for the average diffusivity of these gases as a function of temperature.

引用

页码：116 / 125

页数：10

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