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Preparation of a Component of a Rubber Stock Plasticizer by Extraction Treatment of Delayed Coker Heavy Gasoil with N-Methylpyrrolidone

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Abstract

Four-step countercurrent extraction treatment of heavy gasoil from the delayed coker of Gazpromneft–Omsk Oil Refinery with N-methylpyrrolidone containing 2 wt % water and one-step extraction treatment of the obtained extract to remove carcinogenic aromatic hydrocarbons with an 80 : 20 wt % N-methylpyrrolidone–ethylene glycol mixture in the presence of a nonpolar solvent, heptane, were studied. The content of carcinogenic polycyclic arenes was reduced by two orders of magnitude by multistep extraction at the N-methylpyrrolidone : feed weight ratio of 0.4 : 1. The raffinate obtained can serve as a component of a rubber stock plasticizer.

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Authors and Affiliations

  1. Kirishinefteorgsintez Production Association, Kirishi, 187110, Leningrad oblast, Russia

    A. V. Kameshkov

  2. St. Petersburg State Institute of Technology (Technical University), 190013, St. Petersburg, Russia

    A. A. Gaile & A. R. Vorob’eva

  3. Managing Company of Orgkhim Biochemical Holding, 603950, Nizhny Novgorod, Russia

    A. A. Shchepalov

Authors
  1. A. V. Kameshkov
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  2. A. A. Gaile
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  3. A. A. Shchepalov
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  4. A. R. Vorob’eva
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Contributions

A.V. Kameshkov: setting of the tasks and planning of the study; A.A. Gaile: writing of the paper text; A.A. Shchepalov: analysis of the content of carcinogenic aromatic hydrocarbons and polycyclic arene extract; A.R. Vorob’eva: extraction experiments and determination of the physicochemical properties of the feedstock and products obtained.

Corresponding author

Correspondence to A. A. Gaile.

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The authors declare that they have no conflict of interest.

Additional information

Translated from Zhurnal Prikladnoi Khimii, No. 6, pp. 803–808, July, 2022 https://doi.org/10.31857/S0044461822060135

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Kameshkov, A.V., Gaile, A.A., Shchepalov, A.A. et al. Preparation of a Component of a Rubber Stock Plasticizer by Extraction Treatment of Delayed Coker Heavy Gasoil with N-Methylpyrrolidone. Russ J Appl Chem 95, 887–892 (2022). https://doi.org/10.1134/S1070427222060131

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