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Application

2003101163/04, 2003-01-15

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Start date

2003-01-15

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Actual filing date

2003-01-15

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Published

2004-10-10

(72)

Inventor

Kotov S.V.Shabalina T.N.Shafranskij E.L.Oltyrev A.G.Jasinenko V.A.Krivtsov I.A.Novikova O.A.

(73)

Holder

Oao Nauchno-Issledovatel'Skij Institut Po Neftepererabotke"

WINTER DIESEL OIL PRODUCTION PROCESS Russian patent published in 2004 - IPC

Abstract RU 2237701 C1

FIELD: petroleum processing.

SUBSTANCE: initial sulfur-bearing petroleum is subjected to rectification separation into fractions, 96% of which have boiling ranges 140-(280-290)оС and 305-(390-405)оС. Fraction 140-(280-290)оС is subjected to hydrofining and combined with fraction 305-(390-405)оС at weight ratio between 75:25 and 95:5. To thus obtained base fuel is added depressant: ethylene/vinyl acetate copolymer with molecular weight 1000 to 500 000 in amount 0.01 to 0.05 wt %.

EFFECT: increased yield of fuel and improved its low-temperature characteristics.

2 tbl, 10 ex

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RU 2 237 701 C1

Authors

Kotov S.V.

Shabalina T.N.

Shafranskij E.L.

Oltyrev A.G.

Jasinenko V.A.

Krivtsov I.A.

Novikova O.A.

Dates

2004-10-10—Published

2003-01-15—Filed

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