| 摘要 |
Methods are provided for the selective removal of CO2 from a multicomponent gaseous stream to provide a CO2 depleted gaseous stream. In practicing the subject methods, an initial multicomponent gaseous stream that includes a gaseous CO2 hydrate promoter is contacted with an aqueous fluid, e.g., CO2 nucleated water, in a hydrate formation reactor under conditions of selective CO2 clathrate formation to produce a CO2 clathrate slurry and CO2 depleted gaseous stream. In certain embodiments, a feature of the subject invention is that additional gaseous CO2 hydrate promoter is introduced into the process stream at some point prior the output of the hydrate reactor. In certain embodiments, a feature of the subject invention is that the hydrate formation reactor is a tubular finned reactor. Also provided are systems that find use in practicing the subject methods. The subject methods and systems find use in a variety of applications where it is desired to selectively remove CO2 from a multicomponent gaseous stream.
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