Thermo-Catalytic Processing of Polymer Waste Over Catalysts on the Basis of Natural Zeolite From the Tayzhuzgen Field (Kazakhstan) Modified by Molybdenum

Aubakirov, Y.A.; Sassykova, L.R.; Ташмухамбетова, Ж. Х.; Akhmetova, Firuza; Sendilvelan, S.; Sharipov, Kamalidin; Kubekova, Sh. N.; Batyrbayeva, A.А.; Azhigulova, R. N.; Ryskaliyeva, R. G.; Zhussupova, Aisulu K.; Abildin, T. S.

doi:10.31788/rjc.2019.1245435

Cited by 4 publications

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“…To impart viscous paste-forming properties to the polymer mixture, fuel oil with a boiling point of more than 350 °С, obtained during the distillation processing of oil from the Kumkolskoe field, was used. As is known from our previous studies [6,[28][29][30][31], fuel oil was used not only as a paste-forming agent, but also as an additional source of hydrocarbons and hydrogen necessary for the hydrogenation reaction to proceed. In order to determine the composition, structure, morphology and adsorption properties of the studied catalysts, such physico-chemical methods of analysis as X-ray fluorescence, IR spectroscopy, Scanning Electron Microscopy (SEM), adsorption nitrogen porometry (BET), X-ray Diffraction analysis (XRD), thermogravimetric analysis (TGA) and differential thermogravimetric analysis (DTGA) were used.…”

Section: Methodsmentioning

confidence: 99%

Activity features of catalysts for thermocatalytic hydrogenation processing of polymer waste

et al. 2022

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The aim of this study was to obtain new catalysts for the processing of carbon-containing polymer waste based on polyethylene and polypropylene, represented mostly by lids from beverages bottled in plastic containers, which accumulate in huge quantities in landfills, by the method of thermocatalytic hydrogenation into liquid fuels and other products. The process was carried out in the presence of fuel oil as a binder, a source of hydrogen and additional hydrocarbons. Thus, two tasks can be solved simultaneously: recycling the polymer waste and obtaining the alternative raw materials from the polymer waste in order to save resources and improve the environmental situation in general. New catalysts based on activated zeolite modified with Mo(VI) and W(VI) salts of various concentrations for the thermocatalytic hydrogenation processing of waste plastics into motor fuels were synthesized. The composition, structure, morphology and adsorption properties of the catalysts were determined by different physicochemical methods. The suitability of the obtained catalysts for use in the thermocatalytic hydrogenation processing of plastic waste into fuels was determined. The catalysts were tested during the processing of a mixture of polyethylene-polypropylene: a paste-forming agent (fuel oil) at T=450 °C and a pressure of 0.6 MPa. The individual and group composition of gasoline, diesel and gas oil fractions was determined by chromatography coupled with mass spectrometry. The maximum yield of the gasoline fraction (16.9 wt.%) and diesel fraction (39.31 wt.%) was obtained on a 2%W(VI)/diatomite catalyst.

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Section: Methodsmentioning

confidence: 99%

Activity features of catalysts for thermocatalytic hydrogenation processing of polymer waste

et al. 2022

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Review on production of liquid fuel from plastic wastes through thermal and catalytic degradation

Saha,

Vedachalam,

Dalai

et al. 2024

Journal of the Energy Institute

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Application of natural zeolite for recycling of polymer waste

et al. 2021

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Recently, the ways of obtaining alternative energy resources in the production of gasoline and diesel fuels have been considered. Using physico-chemical methods, nitrogen and sulfur-containing compounds in gasoline, diesel distillates obtained from polymer residues can be determined. Currently, a promising method is the processing of polymer materials into liquid fuel fractions and organic products. In this method, the destruction of the polymer series with the formation of low-molecular hydrocarbons occurred. The process was carried out at a temperature of 400-450°C at atmospheric or elevated pressure in the presence or in the absence of a catalyst. Both pure polymers and various polymer wastes, containing organic orinorganic waste that does notrequire special cleaning, were used. This technology allows you not only to eliminate wastes, but also to obtain a large number of commercial products.

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Thermo-Catalytic Processing of Polymer Waste Over Catalysts on the Basis of Natural Zeolite From the Tayzhuzgen Field (Kazakhstan) Modified by Molybdenum

Cited by 4 publications

References 0 publications

Activity features of catalysts for thermocatalytic hydrogenation processing of polymer waste

Activity features of catalysts for thermocatalytic hydrogenation processing of polymer waste

Review on production of liquid fuel from plastic wastes through thermal and catalytic degradation

Application of natural zeolite for recycling of polymer waste

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