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A study of the surface, emulsifying, and deflocculating properties of fractions obtained in extractive separation of petroleum

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Chemistry and Technology of Fuels and Oils Aims and scope

Conclusions

  1. 1.

    Surface and emulsifying properties of oil, pitch, and asphaltene fractions isolated from petroleum by the extractive method have been investigated. The deflocculating actions of the isolated fractions on asphaltene dispersions in paraffin hydrocarbon solutions have been determined.

  2. 2.

    It has been shown that the surface activity of petroleums (and also their emulsifying ability) is determined not only by the quantitative content of polar compounds in them, but also depends greatly on the colloidal state in which the polar components are present in the petroleums.

  3. 3.

    It has been established that the main petroleum components capable of stabilizing emulsions of the oil water type are asphaltenes and pitches, whose surface-active properties are only slight. Therein the pitches fulfill the role of basic deflocculants of asphaltene dispersions.

  4. 4.

    It has been discovered that the most highly surface-active components of petroleum, which are concentrated in the oil fractions in the present method of separating petroleum, possess weak deflocculating properties and are natural demulsifiers for petroleum emulsions

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Authors and Affiliations

  1. Giprovostokneft', USSR

    A. A. Petrov, G. N. Pozdnyzhev & S. I. Borisov

Authors
  1. A. A. Petrov
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  2. G. N. Pozdnyzhev
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  3. S. I. Borisov
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 3, pp. 11–14, March, 1969.

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Petrov, A.A., Pozdnyzhev, G.N. & Borisov, S.I. A study of the surface, emulsifying, and deflocculating properties of fractions obtained in extractive separation of petroleum. Chem Technol Fuels Oils 5, 176–179 (1969). https://doi.org/10.1007/BF00719009

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  • DOI: https://doi.org/10.1007/BF00719009

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