METHOD FOR PREPARATION OF AROMATIC HYDROCARBONS, HYDROGEN, METHANOL, MOTOR OILS AND WATER FROM UNSTABLE GAS CONDENSATE OBTAINED FROM GAS AND OIL FIELDS AND DEVICE THEREOF Russian patent published in 2009 - IPC C07C1/04 C07C1/20 C07C15/02 C07C29/15 C07C31/04 C10G3/00 B01J8/00 C10G2/00 

Abstract RU 2362760 C1

FIELD: chemistry.

SUBSTANCE: invention refers to the method for preparation of aromatic hydrocarbons accompanied with simultaneous obtaining of hydrogen, methanol, motor oils and fresh water from the unstable hydrocarbon gas condensate obtained from gas condensate and oil fields including if necessary its desulphurisation, following obtaining of synthesis gas by one-stage oxidising with air oxygen, its conversion to methanol, following catalytic conversion of methanol to motor oils, separation of the water formed on all process stages, evaporation of the hydrocarbons residues including methanol and fatty hydrocarbons from the water (united and formed on all process stages), water bioremediation and mineralisation. The initial hydrocarbon gas is unstable hydrocarbon gas condensate without preliminary separation of methane and ethane from propane and butane, the said initial gas before its conversion to synthesis gas undergoes the catalytic aromatisation during heating. Then the obtained aromatic hydrocarbon and hydrogen are separated, hydrogen is at least partially used for synthesis gas obtaining in order to change the ratio H2:CO 1.8-2.3:1), and if necessary it is partially used on the stage of desulphurisation with synthesis gas obtaining from hydrocarbon gases (unreacted and formed on the aromatisation stage). The invention refers also to the device for implementation of the method described above.

EFFECT: increasing of the processing of the efficiency of unstable hydrocarbon gas condensate with enhanced obtaining of target products, to make the process more environmentally safe, to increase the quantity and quality of the obtained fresh water.

2 cl, 5 ex, 1 dwg

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RU 2 362 760 C1

Authors

Lishchiner Iosif Izrailevich

Malova Ol'Ga Vasil'Evna

Fedorov Evgenij Aleksandrovich

Dates

2009-07-27Published

2008-02-12Filed