Chemical Recycling of Poly(Ethylene Terephthalate) Using a New Hybrid Process
スポンサーリンク
概要
- 論文の詳細を見る
In this study, we propose a new hybrid process consisting of glycolysis/methanolysis and then a vapor methanolysis process to obtain dimethyl terephthalate (DMT) and ethylene glycol (EG) in the depolymerization of waste poly(ethylene terephthalate) (PET). Zinc acetate was used to catalyze the reactions. We found that the depolymerization rate increased remarkably when glycolysis and methanolysis reactions were simultaneously carried out than when the glycolysis reaction was performed alone. We explored the possibility of the hybrid process and examined optimal weighting between glycolysis and methanolysis in the glycolysis/methanolysis step to increase the DMT yield and production rate. We also investigated the effect of major process variables such as reaction pressure, reaction temperature, reaction time, amount of EG, and methanol feed rate on process performance. We found that methanolysis has a greater role than glycolysis in the glycolysis/methanolysis step and the DMT yield has a maximum at a reaction temperature of 513.15 K and EG/PET mole ratio of 0.52, and increases with reaction pressure.
- 社団法人 化学工学会の論文
- 2008-09-01
著者
-
Kim Bo-kyung
Department Of Chemical Engineering Chungnam National University
-
KIM Dongpil
Department of Chemical Engineering, Chungnam National University
-
CHO Youngmin
Department of Chemical Engineering, Chungnam National University
-
HAN Myungwan
Department of Chemical Engineering, Chungnam National University
-
Kim Dongpil
Department Of Chemical Engineering Chungnam National University
-
Cho Youngmin
Department Of Chemical Engineering Chungnam National University
-
Han Myungwan
Department Of Chemical Engineering Chungnam National University
関連論文
- Chemical Recycling of Poly(Ethylene Terephthalate) Using a New Hybrid Process
- Hydrolysis of Dimethyl Terephthalate for the Production of Terephthalic Acid