Conclusions
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1.
In the preparation of high-purity additives a low-temperature treatment with “Galosha” gasoline as the organic solvent is essential. In the preparation of high-purity sulfonate additives, a preliminary removal by settling of insoluble compounds must be carried out, which are formed in the sulfonation of mineral oils.
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2.
In the preparation of calcium sulfonate solutions and high-purity AKOR-1 dilution with oil is unnecessary, resulting in an increased concentration of active components.
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3.
It has been shown that additives can be prepared with an increased alkalinity, possessing at the same time a high degree of purity.
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Literature cited
Method for the Determination of the Mechanical Impurities Content, GOST 6370-59.
L. A. Vlasenisov et al., Coll. Lubricating Oil Additives [in Russian], Khimiya (1966), p. 163.
K. K. Papok and B. S. Zuseva, Ibid., p. 336.
S. É. Krein et al., Ibid., p. 148.
Additives for Oils and Fuels [in Russian], Gostoptekhizdat (1961).
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 6, pp. 29–32, June, 1969.
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Dol'berg, A.L. Increasing the purity of additives. Chem Technol Fuels Oils 5, 421–425 (1969). https://doi.org/10.1007/BF00722490
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DOI: https://doi.org/10.1007/BF00722490