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Manufacturing Process of PET Chemical Recycling

Various Technologies of PET Chemical Recycling

Research : Park, S.H., Kim, S.H. Poly (ethylene terephthalate) recycling for high value added textiles. Fashion and Textiles 1, 1 (2014).

It is divided into technology, glycol decomposition reaction, water decomposition reaction, and methanol decomposition reaction.
Technology Glycolysis Methanolysis Hydrolysis
Product Oligomers DMT, EG Terephthalic acid(TPA), EG
Level Commercial Pilot Pilot
Cost Moderate High High
Uses Unsaturated polyester resin (UPR), polyurethane PET synthesis PET synthesis
Weakness Low purity Difficult to refine High pressure chamber required

Siontech’s PET Recycling Factory

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