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FEASIBILITY OF USING IONIC LIQUIDS IN THE EXTRACTION OF ORGANIC/INORGANIC COMPOUNDS FROM REFINERY WASTEWATER

KAMARUOIN, NORLIY ANA (2012) FEASIBILITY OF USING IONIC LIQUIDS IN THE EXTRACTION OF ORGANIC/INORGANIC COMPOUNDS FROM REFINERY WASTEWATER. Universiti Teknologi Petronas. (Unpublished)

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Abstract

This work analyzed the feasibility of using ILs in the extraction of organic/inorganic compounds as well as heavy metals (Zn2+ and Pb2+) from aqueous solutions of refinery wastewater. In this scope, imidazolium cation based ILs which are 1-Butyl-3-methylimidazolium trifluoromethanesulfonatc [bmim +][OTf], 1-Butyl-3-methyl-imidazolium trifluoroacetate [bmim +][CF3COCr] and 1-Butyl-3-methyl-imidazolium chloride [bmim+][Cr] were used. These ILs were founded that they allow the extraction and removal of organic/inorganic compounds including heavy metal ions contain in the aqueous solutions. The usage of ILs are emphasize in this project because it has an increasing interest in the industry since ILs are more environmental friendly and safer to be used as well as it has a lot of attractive and high potential of unique properties to offer. The ability of ILs as the chemical tenability had made them as a novel solvents with similar physical properties but having different chemical behavior. They have been demonstrated in previous studies conducted that ILs has more advantages in the extraction technology compared to the conventional solvents used currently as extraction medium in Liquid Liquid Extraction process in which achieving high efficiencies and selectivities upon the extraction. Based on the results achieved via this work, the extraction percentage of Zn2 ' and Pb2+ were analyzed. It was observed that the IL of 1-Butyl-3-methyl-imidazolium trifluoromethanesulfonate [bmim +] (OTC] allowed the highest removal of heavy metals with the extraction percentage of Zn2+ and Pb2+, it is noted that high extraction percentage was achieved for Zn2+ (87.50 %) and Pb2+ (86.67%) compared to [bmim +][CF3C00·1 and [bmim' J[OTf ·]. For the removal of organic compounds analyzed by GCMS, it is shown that different !Ls have capability to extract different of the selected hydrocarbons. This work is significantly important as the use of !Ls is widely considered as high potential as alternative solvents in the industries.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Separation Process
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 29 Aug 2013 12:21
Last Modified: 25 Jan 2017 09:41
URI: http://utpedia.utp.edu.my/id/eprint/6720

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