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Extraction of Sulphur Species Using Deep Eutectic Solvent

Mohd Salleh, Amirul Akmal (2015) Extraction of Sulphur Species Using Deep Eutectic Solvent. IRC, Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

The burning of fuel containing sulphur compound produce sulphur oxides (SO2) and can be considered a major source of pollution. Therefore, many research has been conducted to reduce the sulphur content in the fuel to meet the regulation requirement. In this study, deep eutectic solvents (DES) are synthesized using choline chloride and glycerol. The prepared DES are characterized using density meter. Then, performance of the DES for deep desulphurization of model oil via liquid-liquid extraction are monitored. The performance DES indicated by the extraction efficiency by measure the concentration sulphur using gas chromatography. The extraction conducted by mixing n-dodecane containing sulphur as model oil and synthesized DES. The experiment conducted at room temperature, the mixture stirred at 400rpm for 3hrs. Lastly, the extraction efficiency of recycle DES without regeneration monitored. The parameters interested in the experiment are effect of initial concentration of model oil, volume ratio between model oil and DES and the molar ratio between glycerol and choline chloride. The density value for DES with molar ratio choline chloride: glycerol of 1:1, 1:2, 1:3 and 1:4 are 1.1545, 1.1980, 1.2050 and 1.2100 g/cm3 respectively. The extraction efficiency decrease as the initial concentration increase. The highest extraction efficiency for DBT and BT are 78.68 and 75.33% at 50ppm. DBT has higher selectivity than BT therefore, DBT more easily to extract than BT. Extraction efficiency decrease as the volume model oil increases at fixed model oil volume. The extraction efficiency for DES: model oil volume ratio 1:5, 1:10, and 1:20 are 63.7%, 62.92% and 60.9% respectively. Then, extraction efficiency DES decreases after being recycle for two times. The extraction efficiency for no of cycle 1 and 2 are 60.4576 rand 55.9654 % respectively.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Separation Process
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Ahmad Suhairi Mohamed Lazim
Date Deposited: 15 Apr 2016 10:30
Last Modified: 25 Jan 2017 09:35
URI: http://utpedia.utp.edu.my/id/eprint/16432

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