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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 Animats on Tuesday January 18, 2022 @10:23PM (#29989573)
Gallium is not cheap. Indium is almost as expensive. As a way to extract small amounts of carbon, this does not look cost-effective.
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Re:Direct conversion of CO2 to solid carbon by Gallium-based... by rsanheim on Tuesday January 18, 2022 @10:58PM (#29989790)
Not cost effective now.

If you weigh it against the scale of death and destruction from climate change impact yet to come, that could change very quickly.

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