发明申请
US20140033764A1 Systems And Methods For Recovering Helium From Feed Streams Containing Carbon Dioxide 有权
用于从含有二氧化碳的原料流中回收氦的系统和方法

Systems And Methods For Recovering Helium From Feed Streams Containing Carbon Dioxide
摘要:
Systems and methods are provided for recovering helium from a feed comprising helium, carbon dioxide, and at least one intermediate component having a volatility between those of helium and carbon dioxide. In particular, processes of the present invention comprise separating the carbon dioxide and the components of intermediate volatility from the helium at a temperature greater than −82.7° C. to form a helium-rich product stream, wherein the concentration of at least one of the intermediate components in the helium-rich product stream is lower than its concentration in the feed stream, and wherein at least part of the separation is effected by contacting a vapor with a liquid.
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