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Paper Information

Journal:   NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)   FALL 2007 , Volume 26 , Number 3; Page(s) 1 To 7.
 
Paper: 

BENZENE REMOVAL OF AW-406 SOLVENT USING POLAR ORGANIC SOLVENTS AND COMPARISON OF THEIR EFFICIENCIES

 
 
Author(s):  GOL MOHAMMAD F.*, SADEGHI FATEH D., SHAH VELAYATI A.A.S., SHOKR ELAHZADEH S., SHOKOUHI HOMEYRA
 
* RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGIES, IRANIAN RESEARCH ORGANIZATION FOR SCIENCE AND TECHNOLOGY, TEHRAN, I.R. IRAN
 
Abstract: 

C6-C8 fraction of distillation tower of petroleum refinery, with commercial name A W-406, is a solvent with boiling point about 60 to 80°C which composed of chain and cyclic hydrocarbons. It has many different applications in chemical, food industries and as a thinner in lacquers, paints and brighteners. In this work, removal of benzene from A W-406 solvent by liquidliquid extraction has been studied .In this regard the efficiency of some polar organic solvents and important parameters such as type of solvent, amount of solvent, number of extraction stages and the composition of transferred components into organic layer were investigated. Extraction solvents including dimethylsulfoxide (DMSO), sulfolane, buthyleneglycol (BuG), ethanolamine(EA), diethanolamine (DEA), tetraethyleneglycol (TEG), ethyleneglycol (EG), furfurylalcohol (FA), tetrahydrofurfurylalcohol (THFA) were tested in the present study. The samples analyzed by GC-MASS in optimum conditions. THFA showed best results in benzene removal.

 
Keyword(s): POLAR ORGANIC SOLVENT, SEPARATION, EXTRACTION, TETRAHYDROFURFURYL ALCOHOL, GC-MASS, A W-406 SOLVENT
 
References: 
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