A property-integration approach to solvent screening and conceptual design of solvent-extraction systems for recycling used lubricating oils

Houssein A. Kheireddine, Mahmoud M. El-Halwagi, Nimir O. Elbashir

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The significant quantities of used and discharged lubricating oils pose a major environmental problem around the world. Recently, there has been a growing interest in the sustainable usage of lubricating oils by adopting recovery, recycle, and reuse strategies. In this study, a property-integration framework is used in the optimization of solvent selection for re-refining of used lubricating oils. Property-integration tools are employed for the systematic screening of solvents and solvent blends. The proposed approach identifies the main physical properties that influence the performance of solvent(s) while extracting additives and contaminants from used lubricating oils (i.e., solubility parameter (δ), viscosity (v), and vapor pressure (p)). To identify a feasibility region for an effective solvent or solvent blend for this process, we construct a ternary diagram utilizing the property-clustering technique. The results of the theoretical approach are validated through comparison between experimental data for single solvents and for solvent blends.

Original languageEnglish
Pages (from-to)35-44
Number of pages10
JournalClean Technologies and Environmental Policy
Volume15
Issue number1
DOIs
Publication statusPublished - Feb 2013

Fingerprint

Lubricating oils
Solvent extraction
Conceptual design
Recycling
Screening
recycling
oil
screening
Vapor pressure
vapor pressure
Refining
solubility
viscosity
Solubility
Physical properties
physical property
diagram
Viscosity
Impurities
Recovery

Keywords

  • Process integration
  • Property integration
  • Reclamation
  • Recycle
  • Solvent blends
  • Solvents
  • Waste lube oil

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Management, Monitoring, Policy and Law

Cite this

A property-integration approach to solvent screening and conceptual design of solvent-extraction systems for recycling used lubricating oils. / Kheireddine, Houssein A.; El-Halwagi, Mahmoud M.; Elbashir, Nimir O.

In: Clean Technologies and Environmental Policy, Vol. 15, No. 1, 02.2013, p. 35-44.

Research output: Contribution to journalArticle

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