The application of blended surfactant ionic liquid in emulsion liquid membrane for phenol removal from aqueous waste solution

The application of blended surfactant ionic liquid in emulsion liquid membrane for phenol removal from aqueous waste solution

Emulsion liquid membrane (ELM) is a liquid membrane technology that has the capability to remove metals and organic compounds from aqueous waste solution in high efficiency. Phenol as one of organic compounds that is toxic and has carcinogenic effect. Phenol exists in industrial effluent especially...

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Main Author: Rosly, Muhammad Bukhari
Format: Thesis
Language:English
Published: 2018
Subjects:
TP Chemical technology
Online Access:http://eprints.utm.my/id/eprint/86046/1/MuhammadBukhariRoslyMSChE2018.pdf
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spelling my-utm-ep.860462020-08-30T08:49:47Z The application of blended surfactant ionic liquid in emulsion liquid membrane for phenol removal from aqueous waste solution 2018 Rosly, Muhammad Bukhari TP Chemical technology Emulsion liquid membrane (ELM) is a liquid membrane technology that has the capability to remove metals and organic compounds from aqueous waste solution in high efficiency. Phenol as one of organic compounds that is toxic and has carcinogenic effect. Phenol exists in industrial effluent especially from petrochemical, paint, pharmaceutical industries, and refineries. However, application of ELM in industries is still limited due to the instability of emulsion membrane during the process. Thus, this research investigates the significant use of blended surfactant in emulsion preparation and the effect of ionic liquid on emulsion stability and extraction performance of ELM process. Selection of liquid membrane components was carried out to determine the optimum ratio of palm oil to kerosene as a solvent and to determine the suitable stripping agent to be used. In this research, 7:3 ratio of palm oil to kerosene was selected as the liquid membrane phase and sodium hydroxide as the stripping agent phase. Then, blended surfactant emulsion liquid membrane was formulated using several composition of mixed surfactant of Span 80 and Tween 80. The stability of primary water-in oil (W/O) emulsion was studied by manipulating several parameters such as hydrophile-lipophile balance (HLB) range, blended surfactant concentration, homogenizer speed, emulsifying time, and organic membrane to internal (O/I) ratio using one factor at one-time method. The results showed that the most stable emulsion was obtained at HLB 5, 3% (w/v) of blended surfactant concentration, 8000 rpm homogenizer speed, 3 minutes emulsifying time and 3:1 O/I ratio. Using this stable W/O emulsion, the extraction performance of phenol was studied by manipulating several parameters such as agitation speed, extraction time, ionic liquid concentration and treat ratio (emulsion phase to feed phase ratio). This system was optimized using the response surface methodology. The results showed that the optimum conditions were obtained at 267 rpm agitation speed, 5 minutes extraction time, 0.107% (w/v) ionic liquid concentration and 1:7.3 treat ratio where 83% of phenol was extracted. At this condition, the recovered phenol obtained was about 11 times enrichment ratio as concentrated phenolate solution. In conclusion, blended surfactant ionic liquid has the potential to increase emulsion stability, phenol extraction and recovery. 2018 Thesis http://eprints.utm.my/id/eprint/86046/ http://eprints.utm.my/id/eprint/86046/1/MuhammadBukhariRoslyMSChE2018.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:131368 masters Universiti Teknologi Malaysia, Faculty of Engineering - School of Chemical & Energy Engineering Faculty of Engineering - School of Chemical & Energy Engineering
institution Universiti Teknologi Malaysia
collection UTM Institutional Repository
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Rosly, Muhammad Bukhari
The application of blended surfactant ionic liquid in emulsion liquid membrane for phenol removal from aqueous waste solution
description Emulsion liquid membrane (ELM) is a liquid membrane technology that has the capability to remove metals and organic compounds from aqueous waste solution in high efficiency. Phenol as one of organic compounds that is toxic and has carcinogenic effect. Phenol exists in industrial effluent especially from petrochemical, paint, pharmaceutical industries, and refineries. However, application of ELM in industries is still limited due to the instability of emulsion membrane during the process. Thus, this research investigates the significant use of blended surfactant in emulsion preparation and the effect of ionic liquid on emulsion stability and extraction performance of ELM process. Selection of liquid membrane components was carried out to determine the optimum ratio of palm oil to kerosene as a solvent and to determine the suitable stripping agent to be used. In this research, 7:3 ratio of palm oil to kerosene was selected as the liquid membrane phase and sodium hydroxide as the stripping agent phase. Then, blended surfactant emulsion liquid membrane was formulated using several composition of mixed surfactant of Span 80 and Tween 80. The stability of primary water-in oil (W/O) emulsion was studied by manipulating several parameters such as hydrophile-lipophile balance (HLB) range, blended surfactant concentration, homogenizer speed, emulsifying time, and organic membrane to internal (O/I) ratio using one factor at one-time method. The results showed that the most stable emulsion was obtained at HLB 5, 3% (w/v) of blended surfactant concentration, 8000 rpm homogenizer speed, 3 minutes emulsifying time and 3:1 O/I ratio. Using this stable W/O emulsion, the extraction performance of phenol was studied by manipulating several parameters such as agitation speed, extraction time, ionic liquid concentration and treat ratio (emulsion phase to feed phase ratio). This system was optimized using the response surface methodology. The results showed that the optimum conditions were obtained at 267 rpm agitation speed, 5 minutes extraction time, 0.107% (w/v) ionic liquid concentration and 1:7.3 treat ratio where 83% of phenol was extracted. At this condition, the recovered phenol obtained was about 11 times enrichment ratio as concentrated phenolate solution. In conclusion, blended surfactant ionic liquid has the potential to increase emulsion stability, phenol extraction and recovery.
format Thesis
qualification_level Master's degree
author Rosly, Muhammad Bukhari
author_facet Rosly, Muhammad Bukhari
author_sort Rosly, Muhammad Bukhari
title The application of blended surfactant ionic liquid in emulsion liquid membrane for phenol removal from aqueous waste solution
title_short The application of blended surfactant ionic liquid in emulsion liquid membrane for phenol removal from aqueous waste solution
title_full The application of blended surfactant ionic liquid in emulsion liquid membrane for phenol removal from aqueous waste solution
title_fullStr The application of blended surfactant ionic liquid in emulsion liquid membrane for phenol removal from aqueous waste solution
title_full_unstemmed The application of blended surfactant ionic liquid in emulsion liquid membrane for phenol removal from aqueous waste solution
title_sort application of blended surfactant ionic liquid in emulsion liquid membrane for phenol removal from aqueous waste solution
granting_institution Universiti Teknologi Malaysia, Faculty of Engineering - School of Chemical & Energy Engineering
granting_department Faculty of Engineering - School of Chemical & Energy Engineering
publishDate 2018
url http://eprints.utm.my/id/eprint/86046/1/MuhammadBukhariRoslyMSChE2018.pdf
_version_ 1747818485442936832

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