METHOD FOR REMOVING HYDROCARBONS FROM A VAPOUR-GAS MEDIUM FORMED DURING PETROLEUM PRODUCT STORAGE AND A TANK FILLING THEREWITH

WIPO Patent Application WO/2004/112939

A1

The invention relates to petrochemistry, specifically to removing hydrocarbons from a vapour-gas medium formed during petroleum product storage. The inventive method consists in pump supplying a liquid medium to a liquid/gas jet device, pumping out said vapour-gas medium from a container filled with a petroleum product or from a petroleum product storage tank, compressing the vapour-gas mixture in the liquid/gas jet device by a liquid-medium energy. A gaseous phase is lead from a separator to an absorption column, wherein the absorption of hydrocarbons from the gaseous phase is carried out by means of a hydrocarbon liquid which is supplied to said column in the form of an absorber. The hydrocarbon-free gaseous phase and the hydrocarbon liquid containing hydrocarbons dissolved therein are separately evacuated from the absorption column. Gasoline or kerosene are used in the form of a petroleum product and a hydrocarbon liquid and cooled to a temperature ranging from minus 10°C to minus 50°C prior to the supply thereof to the absorption column, and the pressure of the vapour-gas and liquid media mixture which is formed in the liquid/gas jet device is maintained in the separator at a level ranging from 0.2 MPa to 1.5 MPa. Said invention makes it possible to increase the efficiency of hydrocarbon removal from the vapour-gas medium with low electric energy consumption.

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TSEGELSKY VALERY GRIGORIEVICH (RU)
REUTOV ALEXANDR NIKOLAEVICH (RU)

PCT/RU2004/000107

December 29, 2004

March 19, 2004

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TSEGELSKY VALERY GRIGORIEVICH (RU)
REUTOV ALEXANDR NIKOLAEVICH (RU)

B01D53/14; C10G5/04; (IPC1-7): B01D53/14; C10G5/04; C10G5/06

RU2193443C1	2002-11-27
RU2155631C2	2000-09-10
EP0247585A1	1987-12-02

LAW FIRM 'GORODISSKY & PARTNERS' LTD (B.Spasskaya ul. 25, stroenie, Moscow 0, RU)

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