Treatment of Produced Water Using Dissolved Air Flotation (DAF) Technique and Ionic Liquids

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dc.contributor.advisorHenni, Amr
dc.contributor.advisorSharma, Satish
dc.contributor.authorAbbasi, Soroush
dc.contributor.committeememberIbrahim, Hussameldin
dc.contributor.committeememberIsmail, Mohamed
dc.contributor.externalexaminerMorgan, Yasser
dc.date.accessioned2015-07-22T16:58:53Z
dc.date.available2015-07-22T16:58:53Z
dc.date.issued2014-08
dc.descriptionA Thesis Submitted to the Faculty of Graduate Studies and Research In Partial Fulfillment of the Requirements for the Degree of Master of Applied Science in Environmental Systems Engineering, University of Regina. xii, 112 p.en_US
dc.description.abstractAs population grows, more water and oil resources are needed to make more products. In addition, more contaminants are also created due to daily uses. Consequently, environment protection will be a necessary duty for everyone. As produced water is a by-product from the oil production process, and constitutes a large portion of the extracted liquid from the oil well, treatment of the produced water is necessary before discharging. Treatment of produced water is a benefit for many reasons such as extracting more oil from the produced water, using the treated water for irrigation, and finally for protecting the environment. In the present research, dissolved air flotation technique (DAF) was used to study the optimum removal efficiency of oil, chemical oxygen demand, turbidity and total organic carbon using different coagulants. Five types of coagulants were used in the experiments. A widely used coagulant (aluminium sulphate), and four more environmentally friendly ionic liquids (1-methyl-3-octylyimidazolium tetrafluoroborate, 1-methyl-3-octylimidazolium hexafluorophosphate,1-butyl-3-methylimidazalium bis(trifluoromethyl- sulfonyl)imide and 1-dodecyl-3-methylimidazolium chloride) were assessed. 1-Butyl-3-methylimidazalium bis(trifluoromethyl sulfonyl)imide was not the appropriate ionic liquid to be used with the dissolved air flotation technique due to its anionic nature in the aqueous media, which helped make the emulsion stable by decreasing the zeta potential below -30 mV. The best removal efficiencies of oil were those of alum (93.83%) and 1-methyl-3-octylimidazolium hexafluorophosphate (93.26%). 1-Methyl-3-octylyimidazolium tetrafluoroborate, 1-dodecyl-3-methylimidazolium chloride could successfully removed 88.01% and 90.46% of the oil, respectively. According to the results, 1-dodecyl-3-methylimidazolium chloride was a strong cationic ionic liquid which could be used in the emulsion if higher amounts of oil content were present.en_US
dc.description.authorstatusStudenten
dc.description.peerreviewyesen
dc.identifier.tcnumberTC-SRU-5804
dc.identifier.thesisurlhttp://ourspace.uregina.ca/bitstream/handle/10294/5804/Abbasi_Soroush_200326531_MASC__EVSE_Spring2015.pdf
dc.identifier.urihttps://hdl.handle.net/10294/5804
dc.language.isoenen_US
dc.publisherFaculty of Graduate Studies and Research, University of Reginaen_US
dc.titleTreatment of Produced Water Using Dissolved Air Flotation (DAF) Technique and Ionic Liquidsen_US
dc.typeThesisen
thesis.degree.departmentFaculty of Engineering and Applied Scienceen_US
thesis.degree.disciplineEngineering - Environmental Systemsen_US
thesis.degree.grantorUniversity of Reginaen
thesis.degree.levelMaster'sen
thesis.degree.nameMaster of Applied Science (MASc)en_US
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