Processing of Polyvinyl Chloride into Components of Fuel Fractions on Sulfide Catalysts

The thermal and hydrothermal processing of polyvinyl chloride waste was studied. The liquid product in the hydrothermal processing of polyvinyl chloride with 10% aqueous NaOH contains the least amount of chloroaromatic hydrocarbons in comparison with thermal processing without water. A scheme was pr...

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Bibliographic Details
Published in:Chemistry and technology of fuels and oils 2024-07, Vol.60 (3), p.530-534
Main Authors: Dzhabarov, E. G., Kuzmin, V. D., Kaldysheva, A. A., Petrukhina, N. N., Tumanyan, B. P.
Format: Article
Language:English
Subjects:
Catalysts
Chemical synthesis
Chemistry
Chemistry and Materials Science
Chlorine
Geotechnical Engineering & Applied Earth Sciences
Heat treatment
Hydrodechlorination
Industrial Chemistry/Chemical Engineering
Kinetics and Catalysis
Mineral Resources
Polyvinyl chloride
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Summary:The thermal and hydrothermal processing of polyvinyl chloride waste was studied. The liquid product in the hydrothermal processing of polyvinyl chloride with 10% aqueous NaOH contains the least amount of chloroaromatic hydrocarbons in comparison with thermal processing without water. A scheme was proposed for two-step processing of polyvinyl chloride, in which the first step entails hydrothermal or thermal treatment followed by hydrodechlorination of the resultant liquid product on sulfide catalysts. Industrial sulfide and nanoheterogeneous NiWS and NiMoS catalysts synthesized by the authors were studied in the hydrodechlorination of the chlorine-containing mixtures. The greatest activity in the hydrodechlorination process was found for an unsupported NiWS catalyst synthesized ex situ.
ISSN:0009-3092
1573-8310
DOI:10.1007/s10553-024-01708-8