K 2013: New PET recycling process promises significant savings

Liquid state polycondensation (LSP) is the way ahead for recycling of industrial and post consumer PET materials, according to recycling system supplier NGR Next Generation Recycling (9D/05).
"Compared with the commonly used solid state polycondensation process where the PET material is maintained at an elevated temperature for several hours under vacuum in order to achieve the desired increase in IV value through polycondensation and remove contaminants, the LSP achieves a similar rise in the space of minutes," says company CEO Josef Hochreiter. "The challenge in developing the LSP process was finding the exact point where the optimum reaction takes place."

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