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Use of soda ash as a recycling agent to reduce Non-degradable PET waste in Sri Lanka

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dc.contributor.author Weerasooriya, PRD
dc.contributor.author Udayakumara, SV
dc.contributor.author Gunapala, O
dc.contributor.author Karunanayake, UPABP
dc.date.accessioned 2013-10-21T02:12:38Z
dc.date.available 2013-10-21T02:12:38Z
dc.date.issued 2011
dc.identifier.uri http://dl.lib.mrt.ac.lk/handle/123/8161
dc.description.abstract The Aim of this research is to use soda ash (Commercial grade of sodium carbonate) as a recycling agent to depolymerize waste poly(ethyleneterephthalate) (PET) bottles into its initial monomers (i.e. terephthalic acid and ethylene glycol). The reaction between soda ash and crushed PET bottles was carried out under different reaction temperatures and times in an atmospheric pressure. Mono-ethylene glycol(EG) is used as a solvent or the reaction media for this reaction. The effect of EG: PET ratio on the yield also studied. Fourier Transform Infrared Spectroscopy (FTIR) technique VWM used to analyze the reaction products. In laboratory scale, 4/1 EG/PET weight ratio, 170'C operating temperature and 35 minutes reaction time were identified as the optimum conditions .The percentage of PET decomposition and yield of terephthalic acid was 78.89% and 77.95% respectively under above conditions
dc.language en
dc.title Use of soda ash as a recycling agent to reduce Non-degradable PET waste in Sri Lanka
dc.type Conference-Abstract
dc.identifier.year 2011
dc.identifier.conference Excellence in Research, Excelling a Nation
dc.identifier.place Faculty of Engineering, University of Moratuwa
dc.identifier.pgnos 233-234
dc.identifier.proceeding 17th Annual Research Symposium on Excellence in Research, Excelling a Nation


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