Solubilization of Residual Oil in Palm Oil Mill Effluent (POME) Using Mixture of Anionic (GE-460) and Non-ionic Surfactants (Brij 35)
Palm oil mill effluent (POME) is oily wastewater produced during the processing of palm oil. Although POME is not toxic, the organic compounds such as residual oil have high oxygen depleting ability which will harm the aquatic ecosystems when released into the environment. Thus, effective treatmen...
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| Format: | Final Year Project Report |
| Language: | English English |
| Published: |
Universiti Malaysia Sarawak (UNIMAS)
2014
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| Online Access: | http://ir.unimas.my/id/eprint/26353/1/Solubilization%20of%20Residual%20Oil%20in%20Palm%2024pgs.pdf http://ir.unimas.my/id/eprint/26353/4/Solubilization%20of%20Residual%20Oil%20in%20Palm%20ft.pdf http://ir.unimas.my/id/eprint/26353/ |
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| Summary: | Palm oil mill effluent (POME) is oily wastewater produced during the processing of palm oil. Although POME is
not toxic, the organic compounds such as residual oil have high oxygen depleting ability which will harm the
aquatic ecosystems when released into the environment. Thus, effective treatment methods should be applied on
POME before it is discharged into the streams. In this study, the residual oil in POME was removed by
solubilisation using mixture of anionic (GE-460) and non-ionic (Brij 35) surfactants. Three experimental
parameters were studied to obtain maximum solubilization of oil which were critical micelle concentration
(CMC) of GE-460, optimum concentration of GE-460 and temperature. The results obtained shows that the CMC
of GE-460 is 0.25 mM while maximum amount of oil solubilized occurred at concentration of 0.5 mM with 0.25
g oil solubilized and at temperature of 75 °C with 0.09 g oil solubilized. Fourier Transform infrared (FT-IR)
spectroscopy was used for quantitative analysis of interaction between residual oil and surfactants. The spectrum showed peak at 2924 cm-1 which suggested that the oil components in POME combined with hydrophobic part of the surfactant. The shifting of O-H, C=O and C-O stretches also indicated the interaction between the oil and surfactants. The surfactants used were not toxic to aquatic organisms and readily degradable by microorganisms. |
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