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Separation of alkylsalicylate and sulfonate additives from oil concentrates by dialysis

  • Petroleum and Gas Processing
  • Published:
Chemistry and Technology of Fuels and Oils Aims and scope

Conclusions

  1. 1.

    The authors study the behavior of alkylsalicylate and sulfonate agents and agents of the alkylphenol type, obtained from pyrocatechol, during dialysis of their oil concentrates with use of rubber membranes. Virtually complete separation of oil from such agents is obtained under optimal conditions (8 h). Depending on the nature of the agent, their loss during dialysis (dialyzability) is 0–6.7% for neutral agents and 0–0.8% for alkaline agents.

  2. 2.

    It has been established that the composition of the agent hardly changes during dialysis.

  3. 3.

    Dialysis with rubber membranes may be recommended for determining the content of the active metal-containing content in commercial agents.

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Literature cited

  1. Ya. M. Slobodin and T. G. Malysheva, Khim. i Tekhnol. Topliv i Masel, No. 4 (1968).

  2. N. A. Dmitrieva, G. G. Krasnyanskaya, and Monastyrskii, Proc. of the Second All-Union Scientific-Technical Conference [in Russian], Izd. Khimiya (1966), p. 115.

  3. A. M. Kuliev, Additives for Lubricating Oils [in Russian], Gostoptekhizdat (1964).

  4. G. I. Jenkins and C. M. Humphreys A.,51, 493–495 (1965).

  5. S. B. Vselyubskii, N. A. Kovalenko, and A. A. Ruter, Proc. of the Second All-Union Scientific-Technical Conference [in Russian], Izd. Khimiya (1966), p. 215.

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Authors and Affiliations

  1. Northwestern Correspondence Polytechnic and Leningrad Experimental Lube Factory, USSR

    Ya. M. Slobodin & T. G. Malysheva

Authors
  1. Ya. M. Slobodin
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  2. T. G. Malysheva
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 6, pp. 27–29, June, 1969.

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Slobodin, Y.M., Malysheva, T.G. Separation of alkylsalicylate and sulfonate additives from oil concentrates by dialysis. Chem Technol Fuels Oils 5, 418–420 (1969). https://doi.org/10.1007/BF00722489

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  • DOI: https://doi.org/10.1007/BF00722489

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