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A comment on Direct conversion of CO2 to solid carbon by Gallium-based liquid metals. Parent comment

Re:Direct conversion of CO2 to solid carbon by Gallium-based... by dqpb on Thursday January 20, 2022 @12:54PM (#30012216)
> This tech can only sequester CO2 without the presence of O2. Where does CO2 occur without O2?

Here is a system for collecting CO2 from ambient air and discharging a stream of pure CO2:

https://news.mit.edu/2019/mit-engineers-develop-new-way-remo...

> If you didn't say anything about burning carbon, you weren't paying attention.

Wrong.

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