Abstract
A new method for recycling of polyethylene terephthalate (PET) wastes, which is based on their processing under the action of a nitrating atmosphere and a subsequent utilization of the conversion products, is considered. It is shown that the exposure of PET samples to an NOx—H2O (steam)—air atmosphere obtained by vaporization of 12 A/TTNO3 at 403-463 K for 5-24 h, dissolution of the conversion products in 0.5 M NaOH, and their subsequent ozonation makes it possible to effectively utilize waste PET bottles regardless of the color of the plastic.
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Based on the materials of the XXI Mendeleev Congress on General and Applied Chemistry (September 9—13, 2019, St. Petersburg, Russia).
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 5, pp. 1022–1029, May, 2020.
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Kulyukhin, S.A., Krasavina, E.P., Gordeev, A.V. et al. Recycling of polyethylene terephthalate wastes under the action of a gaseous nitrating mixture. Russ Chem Bull 69, 1022–1029 (2020). https://doi.org/10.1007/s11172-020-2863-y
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DOI: https://doi.org/10.1007/s11172-020-2863-y