DOI: 10.5176/2251-189X_SEES14.21

Authors: Radin Maya Saphira Radin Mohamed, Anwaruddin Ahmed Wurochekke, Amir Hashim bin Mohd. Kassim


Solid waste generation especially from plastics increase every year due to the current consumption habit in the society. The improper disposal of plastics has been a major concern to environment as they are not easily degradable. In this study, energy derived from Polyethylene Terephthalate (PET) plastic bottle recycling process were studied. Raw and used PET samples were produced by using injection moulding machine. The amount of energy recovered upon production was calculated by using Universal Testing Machine. The effect of temperature and pressure during production on raw and usedd PET plastics were measured. Temperature at 260 oC and 7 Mpa pressure gave highest energy production. The results of raw and used PET samples exhibit comparable amount of energy 0.8J and 2.044 x 10-4MJ/Kg - 2.0635 x 10-4MJ/Kg respectively. Generally, used PET (260oC and 6 Mpa) were to be reprocessed to regain the significant energy production that are lost upon discarding. It is expected that environmental benefits are enhanced through recycling of plastic bottles as part of an integrated waste management strategy.

Keywords: PET; plastic, raw, used, energy recovery


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