PROCESS FOR RECYCLING POLYETHYLENE TEREPHTHALATE USING DIFFERENT MONO-ETHYLENE GLYCOL LEVELS

Abstract: one aspect is a method for producing a first intermediate product. a feedstock is provided that comprises a first polyester. the feedstock is contacted with a first amount of a first organic compound in a volume section vto obtain a first initial mixture. the first amount is in the form of a liquid. the first polyester is transported, and at least a fraction of the first amount of the first organic compound, from the volume section vto a volume section v. the volume section vis at least partially filled with the first organic compound. a level of the first organic compound in the volume section vis at a height hfrom a floor, and a level of the first organic compound in the volume section vis at a height hfrom the floor. the first polyester is contacted with a further organic compound in a volume section v, to obtain a further initial mixture. a weight average molar mass of the first polyester is reduced in the volume section v, to obtain a first intermediate mixture. the first intermediate mixture comprises

Inventor(s): Suresh L. MAKHIJA, Dhanvant YEOLA, Christian NEUMANN

CPC Classification: C08J11/24 (containing hydroxyl groups)

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