It was shown that the individual requirements in the active standard for used petroleum products, especially for the water content, do not correspond to the real working conditions of used lubricant (UL) collectors and the real processing schemes for used lubricants in the Russian Federation. The inexpediency of using UL collectors at local installations for preparing the lubricants for processing, particularly for reducing their water content, is noted. A classification was developed for UL that reflects the requirements of the processing technology and the realities of the collectors’ work. The saponification number was proposed as an index of the presence of residues of alloying additives and products of aging.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 1, pp. 8–11, January–February, 2010.
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Stan’kovski, L., Cherednichenko, R.O. & Dorogochinskaya, V.A. Classification and quality indexes of used lube oils. Chem Technol Fuels Oils 46, 9–13 (2010). https://doi.org/10.1007/s10553-010-0175-x
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DOI: https://doi.org/10.1007/s10553-010-0175-x