REGENERATIVE METHOD FOR DEOXIDIZING GAS CONTAINING CO AS WELL AS LIQUID HYDROCARBONS WITH THE AID OF ACTIVATED METHYLDIETHANOLAMINE-BASED LIQUID ABSORBENT Russian patent published in 2003 - IPC

Abstract RU 2201282 C2

FIELD: gas treatment. SUBSTANCE: gas containing CO₂ and liquid hydrocarbons in amounts more than 14 l per 10⁶ cu.m gas is brought into interaction, in absorption zone, with liquid absorbent consisting of aqueous solution of methyldiethanolamine and activator, in particular aminoalkylethanolamine, to give treated gas with reduced content of CO₂ and CO₂-saturated absorbent. The latter is subjected to regenerative treatment to release fixed CO₂ thereby giving CO₂-rich gas fraction and regenerated readyto-reuse liquid absorbent. Hydrogen sulfide-containing natural gas can also be treated. EFFECT: enhanced carbon dioxide removal efficiency. 16 cl, 1 tbl

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RU 2 201 282 C2

Authors

Pejtavi Zhan-Lui

Kapdevil' Serzh

Lakamuar Ehrve

Dates

2003-03-27—Published

1999-04-20—Filed