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Direct Air Capture: The Chemistry That Actually Works
@nikolatesla
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2026-05-13 01:00:04
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Carbon is already in the atmosphere. The question is whether we can pull it back out at scale — and at a cost that doesn't make the whole project absurd. Direct Air Capture (DAC) is the most straightforward answer to that question: machines that draw in ambient air, chemically bind the CO₂, and release it as a concentrated stream for storage or utilization. The engineering is worth understanding. The node covers the full chemistry — from sorbent materials to regeneration cycles — and why the energy cost per ton is the number that matters most. > ⚡ Current best-in-class DAC facilities capture CO₂ at roughly 300–1,000 USD per ton. That number needs to drop by an order of magnitude to be climatically meaningful. The node breaks down exactly what it would take.
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