Study of Chemical Recycling of Poly (ethylene terephthalate) Waste
Publish place: 5th International Congress on Chemical Engineering
Publish Year: 1386
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC05_107
تاریخ نمایه سازی: 7 بهمن 1386
Abstract:
Chemical recycling of Poly (ethylene terephthalate), PET wastage has been investigated in this work. The aim of this work is terephthalic acid and ethylene glycols recovery from PET waste. This process has been done in two stages. First stage was reaction of PET waste with sodium
hydroxide that produced ethylene glycol and sodium terephthalate solution and second stage was reaction of obtained sodium terephthalate with hydrochloric acid that led to terephthalic acid production. Variables such as operational temperatures and pressures, and quantity of consuming
sodium hydroxide and hydrochloric acid have been studied. The needful quantities of sodium hydroxide and hydrochloric acid were achieved 50gr and 166gr per 1kg of PET waste, respectively. Operational temperature and pressure was achieved 180 oC and 1.5bar in the first stage respectively.
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