Phase transitional absorption method
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United States of America Patent
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Jun 2, 2009
Grant Date -
Oct 11, 2007
app pub date -
Apr 7, 2006
filing date -
Apr 7, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is directed to an improved method and system for separating and purifying gas using gas-liquid absorption. According to this invention, the method is carried out in an absorber, where a liquid absorbent, a gas mixture containing a gas to be absorbed were introduced from an inlet. During absorption, the second liquid phase was separated out from the absorbent. The absorbed gas was accumulated in one of liquid phases. After absorption, two liquid phases were separated. One of the liquids with rich absorbed gas was forward to regenerator. After regeneration, the liquid was cycled back to absorber. The liquid phase with lean absorbed gas was back to absorber directly to complete the cycle.
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