BITUMEN PRODUCTION PROCESS Russian patent published in 2005 - IPC

Abstract RU 2266945 C1

FIELD: petroleum processing.

SUBSTANCE: process involves oxidation of petroleum feedstock with air in bubble apparatus at elevated temperature. Air is supplied to feedstock through perforated disperser. Air bubbles formed in disperser are passed through perforated plate wherein diameter of perforations is less than that in disperser.

EFFECT: prolonged service time of disperse on condition of forming small air bubbles.

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RU 2 266 945 C1

Authors

Grudnikov I.B.

Grudnikova Ju.I.

Dates

2005-12-27—Published

2004-07-29—Filed