A Generalized Correlation for Characterization of Lubricating Base-oils from Their Viscosities

›› 2010, Vol. 18 ›› Issue (4): 642-647.

A Generalized Correlation for Characterization of Lubricating Base-oils from Their Viscosities

A. H. Mehrkesh¹, S. Hajimirzaee², M. S. Hatamipour³

1. Islamic Azad University, Majlesi Branch, Isfahan, Iran;
2. Gas Processing & Transmission Engineering Department, Petroleum University of Technology, Ahwaz, Iran;
3. Chemical Engineering Department, University of Isfahan, Isfahan, Iran

收稿日期:2009-12-02 修回日期:2010-04-25 出版日期:2010-08-28 发布日期:2010-08-28
通讯作者: S. Hajimirzaee, E-mail:shmirzaee@aol.co.uk

A Generalized Correlation for Characterization of Lubricating Base-oils from Their Viscosities

A. H. Mehrkesh¹, S. Hajimirzaee², M. S. Hatamipour³

1. Islamic Azad University, Majlesi Branch, Isfahan, Iran;
2. Gas Processing & Transmission Engineering Department, Petroleum University of Technology, Ahwaz, Iran;
3. Chemical Engineering Department, University of Isfahan, Isfahan, Iran

Received:2009-12-02 Revised:2010-04-25 Online:2010-08-28 Published:2010-08-28

摘要/Abstract

摘要： Lubricating mineral base oils are normally extracted from lube-oil cuts with furfural solvent.Aromatic content in the raffinate phase from extraction process is an essential parameter that affects the quality of the lubricating base-oils.For determination of aromatic content by the usual ASTM D3238 method,density,refractive index and molecular weight of the raffinate are required.In this work,a new generalized correlation is developed for determination the aromatic content by using only the measured viscosity of lubricating oil.With a mole fraction of aromatic compounds,the kinematic viscosity may be obtained at any temperature between 60-100℃ along with their molecular weight and refractive index.

关键词: lubricating oils, aromatic content, kinematic viscosity, molecular weight, refractive index

Abstract: Lubricating mineral base oils are normally extracted from lube-oil cuts with furfural solvent.Aromatic content in the raffinate phase from extraction process is an essential parameter that affects the quality of the lubricating base-oils.For determination of aromatic content by the usual ASTM D3238 method,density,refractive index and molecular weight of the raffinate are required.In this work,a new generalized correlation is developed for determination the aromatic content by using only the measured viscosity of lubricating oil.With a mole fraction of aromatic compounds,the kinematic viscosity may be obtained at any temperature between 60-100℃ along with their molecular weight and refractive index.

Key words: lubricating oils, aromatic content, kinematic viscosity, molecular weight, refractive index

A. H. Mehrkesh, S. Hajimirzaee, M. S. Hatamipour. A Generalized Correlation for Characterization of Lubricating Base-oils from Their Viscosities[J]. , 2010, 18(4): 642-647.

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A Generalized Correlation for Characterization of Lubricating Base-oils from Their Viscosities

A Generalized Correlation for Characterization of Lubricating Base-oils from Their Viscosities

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