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Preparation of Transformer Oil Body by Extraction Refining of 300-500°C Fraction of Low-Paraffinicity Oil |
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| Authors: | Gaile A. A. Dyurik N. M. Semenov L. V. Chagovets A. N. Ustalov A. V. Koldobskaya L. L. Stepanova G. F. |
| Affiliation: | (1) St. Petersburg State Technological Institute, St. Petersburg, Russia;(2) Slavneft Oil and Gas Company, Joint-Stock Company, Moscow, Russia;(3) Slavneft-Mendeleev Yaroslavl Oil Refining Plant, Open Joint-Stock Company, Yaroslavl, Russia |
| Abstract: | A raffinate meeting the requirements for the transformer oil body was obtained from the 300-350°C fraction of low-paraffinicity oil by five-step countercurrent extraction of aromatic hydrocarbons and organoelement compounds with aqueous methyl Cellosolve in the presence of pentane. |
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