METHOD OF REDUCING SUMMARY ACID NUMBER OF CRUDE OIL Russian patent published in 2002 - IPC

Abstract RU 2178450 C2

FIELD: petrochemistry. SUBSTANCE: oil is treated with hydrogen-containing treatment gas containing 0.05 to 25 mol % hydrogen sulfide in presence of hydrofining catalyst. Contact is accomplished at 200 to 370 C and pressure 239 to 13900 kPa. EFFECT: reduced summary acid number. 9 cl, 2 dwg, 4 tbl, 2 ex

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RU 2 178 450 C2

Authors

Khehlbert Tomas Risher

Trehcht Kennet Li

Rajli Kennet Llajod

Vannoker Dejvid L.

Dates

2002-01-20—Published

1998-08-27—Filed