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Effect of Surfactants on the Crystallization and Solidification Temperatures of Paraffin in Various Types of Solvents

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Chemistry and Technology of Fuels and Oils Aims and scope

A study was carried out on the effect of surfactant-depressants such as Paraflow, Santopur, poly(alkyl methacrylate), and oxidized petrolatum on the temperatures of dissolution, crystallization, and solidification of solutions of natural and synthetic paraffins in various types of hydrocarbon solvents differing in composition and viscosity. The activity of the depressant should be evaluated relative to paraffin content and development of dispersed structure, which it prevents in the given solvent. Hysteresis was found for the temperatures of the onset of crystallization and dissolution of the paraffin in solvents with added depressant. Paraflow is not considered a micellar surfactant but forms molecular complexes with n-paraffins.

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Authors and Affiliations

  1. I. T. Trubilin Kuban State Agrarian University, Krasnodar, Russia

    E. A. Aleksandrova & B. L. Aleksandrov

  2. M. D. Millionshchikov Grosny State Oil Technical University, Grozny, Russia

    Zh. T. Khadisova, L. Sh. Makhmudova & Kh. Kh. Akhmadov

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  1. E. A. Aleksandrova
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  2. B. L. Aleksandrov
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  3. Zh. T. Khadisova
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  4. L. Sh. Makhmudova
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  5. Kh. Kh. Akhmadov
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Correspondence to E. A. Aleksandrova.

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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 4, pp. 33–39 July –August, 2022.

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Aleksandrova, E.A., Aleksandrov, B.L., Khadisova, Z.T. et al. Effect of Surfactants on the Crystallization and Solidification Temperatures of Paraffin in Various Types of Solvents. Chem Technol Fuels Oils 58, 608–614 (2022). https://doi.org/10.1007/s10553-022-01426-z

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  • DOI: https://doi.org/10.1007/s10553-022-01426-z

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