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Originally Posted by SeeGeeWhy
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The challenge of paying the energy bill is equally real for getting very pure CO2 or CO syngas out of the atmosphere, ocean or post-combustion exhaust steams at source. Be it for CCUS or synthetic chemical production.
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Just curious since you bring this up, is there any need to get very pure CO2 for CCUS? Seems it wouldn't matter too much to have some other gases mixed in if they just get stuffed underground, but maybe there are practical reasons. I understand for industrial applications you'd probably need it more pure.