Kusumadewi, Sylvia and Kusumocahyo, Samuel P. (2018) Development of Ultrafiltration Membrane from Polyethylene Terephthalate (Pet) Bottle Waste. Proceedings of the International Conference on Innovation, Entrepreneurship and Technology, 2 (1). pp. 47-52. ISSN 2477-1538
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Abstract
Polyethylene Terephthalate (PET) bottle is used as beverage packaging, which is very convenient as one time use packaging. However, the huge amount of PET bottle waste has been becoming a serious problem for the environment. The utilization of PET bottle waste is very important to reduce the environmental problem. In this work, PET bottle waste was used a raw material to develop an ultrafiltration (UF) membrane. The membrane was prepared by using a phase inversion technique. The effect of the type of solvent, additive, and non-solvent on the microstructure and ultrafiltration performance of the membrane was studied. Different type of solvent, phenol, m-cresol, and DMSO were used to dissolve PET bottle as the source of membrane polymer. Two different additives, Polyethylene Glycol (PEG) and Polyvinyl Pyrrolidone (PVP) were used. Membrane 3 with the composition of PET, phenol as solvent, and PEG as additive was prepared successfully. The variation of aqueous alcohol solutions as non-solvent resulted in different microstructures of the membranes as shown by the scanning electron microscopy (SEM). The permeation experiment result using pure water as the feed showed that membrane 3 using aqueous butanol as non-solvent (membrane 3-ButOH) exhibited the highest permeate flux compared to that of membrane 3 using aqueous propanol (membrane 3-PrOH) or ethanol as non-solvent (membrane 3-EtOH). The ultrafiltration experiment was carried out using a feed solution of water containing polyethylene glycol (PEG) 20,000. The membrane 3-EtOH showed the lowest permeate flux of 3.24 kg/m2h, but the highest rejection of PEG 20,000 of 65.87%. The membrane 3-PrOH had a permeate flux of 11.57 kg/m2h and a rejection of 64.73%. Whereas the membrane 3-ButOH showed the highest permeate flux of 27.78 kg/m2h, but the lowest rejection 16.93%. This result was obtained due to the different membrane microstructures which were strongly affected by the type of non-solvent.
| Item Type: | Article |
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| Uncontrolled Keywords: | Membrane, Ultrafiltration, Polyethylene Terephthalate (PET), PET bottle |
| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering |
| Divisions: | Faculty of Life Sciences and Technology |
| Depositing User: | Faisal Ifzaldi |
| Date Deposited: | 19 Apr 2022 08:03 |
| Last Modified: | 31 Aug 2022 08:39 |
| URI: | http://repository.sgu.ac.id/id/eprint/2344 |
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