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2 188 850

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Application

2001111919/04, 2001-04-27

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Start date

2001-04-27

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Actual filing date

2001-04-27

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Published

2002-09-10

(72)

Inventor

Dmitrieva Z.T.Bondaletov V.G.Antonov I.G.Prikhod'Ko S.I.Smolentseva E.V.

(73)

Holder

Institut Khimii Nefti So RanObshchestvo S Ogranichennoj Otvetstvennost'Ju

METHOD OF REFINING SPENT LUBE OILS Russian patent published in 2002 - IPC

Abstract RU 2188850 C1

FIELD: lubrication materials. SUBSTANCE: refining is effected with adsorbent suspended in spent oils, after which oil is filtered. Adsorbent is selected from clay or coal modified each with 20-100% orthophosphoric or sulfuric acid. Refining is conducted at ambient temperature for 30-60 min. EFFECT: increased degree of refining and speeded up refining process without heating. 6 ex

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RU 2 188 850 C1

Authors

Dmitrieva Z.T.

Bondaletov V.G.

Antonov I.G.

Prikhod'Ko S.I.

Smolentseva E.V.

Dates

2002-09-10—Published

2001-04-27—Filed

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