METHOD TO RECOVER LOW-POTENTIAL CARBON GASES AND UNIT TO THIS END Russian patent published in 2010 - IPC F04F5/54 

FIELD: engines and pumps.

SUBSTANCE: proposed method comprises compression of two low-potential different-composition gases by high-pressure fluid fed by circulation pump. Every low-potential gas is fed into separate ejectors, and mix is separated into compressed gas, carbon fluid and fluid phase. It comprises feeding gas and carbon fluid to consumers. Note here that mix separation, collection of separated phases and their bleed off are effected in single three-phase separate wherefrom aqueous fluid is taken for every composition of every compressed gas with the help of separate pumps. Proposed unit comprises several compression stages, circulation line with pumps, ejector, three-phase separator, branch pipe to feed low-potential gas medium, line to feed compressed gas from separator, three-phase separator furnished with two circulation lines for compression of different composition and pressure. Note here that gas compression stages are arranged on opposite sides of three-phase separator, while separated phase bleed-off lines are arranged at separator center.

EFFECT: reduced costs.

8 cl, 2 dwg