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Separation and investigation of emulsifiers for petroleum emulsions

  • Published:
Chemistry and Technology of Fuels and Oils Aims and scope

Conclusions

  1. 1.

    Emulsifying substances have been separated out from emulsions of stratal water with Arlanskii, Romashkinskii, and Mangyshlakskii crudes, using kerosene and petroleum ether as solvents for the dispersion medium.

    The greatest amount of emulsifier was separated from an emulsion of stratal water from Arlanskii crude.

  2. 2.

    The effect of the solvent for the dispersion medium (petroleum) on the amount and composition of the emulsifier separated out has been clarified.

    Using kerosene, only those emulsifiers located on the surface of the globules of water (the disperse phase) are separated out, while, using petroleum ether, a mixture of emulsifiers with asphaltenes, precipitated from the crude, is separated out.

  3. 3.

    The main substances of an emulsifier promoting the formation of an emulsion of stratal water with Arlanskii and Romashkinskii crudes are asphaltenes while, with Mangyshlakskii crude, they are silica gel resins. Emulsifiers from Romashkinskii, and particularly from Mangyshlakskii crudes, contain a large amount of protective substances, that is, high-melting paraffins.

  4. 4.

    Emulsifiers insoluble in benzene consist of 50% or more of mineral substances. The organic compounds entering into their composition contain a large amount of nitrogen and sulfur.

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Literature cited

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Authors and Affiliations

  1. All-Union Scientific-Research Institute for Petroleum Processing (VNII NP), USSR

    D. N. Levchenko, A. D. Khudyakova & L. I. Ratich

Authors
  1. D. N. Levchenko
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  2. A. D. Khudyakova
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  3. L. I. Ratich
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 10, pp. 21–25, October, 1970.

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Levchenko, D.N., Khudyakova, A.D. & Ratich, L.I. Separation and investigation of emulsifiers for petroleum emulsions. Chem Technol Fuels Oils 6, 746–750 (1970). https://doi.org/10.1007/BF00716435

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  • DOI: https://doi.org/10.1007/BF00716435

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