A Simple Way To Describe Nonisothermal Adsorption Equilibrium Data Using Polynomials Orthogonal to Summation

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• 作者：Syed M. Taqvi and and M. Douglas LeVan
• 刊名：Industrial & Engineering Chemistry Research
• 出版年：1997
• 出版时间：February 1997
• 年：1997
• 卷：36
• 期：2
• 页码：419 - 423
• 全文大小：135K
• 年卷期：v.36,no.2(February 1997)
• ISSN：1520-5045

文摘

Nonisothermal adsorption equilibrium data are describedusing the virial equation written asa polynomial function in adsorbed-phase loading and reciprocaltemperature. This equation iswritten in terms of polynomials that are orthogonal to summation.As a result, application ofthe least-squares method to correlate experimental data becomesstraightforward and simple,not even requiring any matrix algebra. Ill-conditioning of thenormal equations for high-orderpolynomials is avoided. The model is successfully applied todescribe nonisothermal data fordifferent systems over a wide range of temperature andpressure.