TED Talks Daily A new way to remove CO2 from the atmosphere | Jennifer Wilcox
Aug 14, 2019
Jennifer Wilcox, a chemical engineer specializing in carbon capture technology, discusses revolutionary methods to remove CO2 from the atmosphere. She highlights innovative processes that mimic trees, efficiently scrubbing carbon on a massive scale. Wilcox elaborates on the challenges and potential pitfalls of these technologies while emphasizing the need for cost-effective solutions. The conversation also touches on the role of these advancements in mitigating climate change and the importance of investment in these sustainable strategies.
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CO2 Capture Challenge
- Capturing CO2 from the air is crucial due to rising CO2 levels and insufficient emission reductions.
- This process is challenging because CO2 is dilute in the atmosphere (400 parts per million).
Synthetic Forest Approaches
- Two main methods exist: liquid-based chemical absorption and solid sorbent air contactors.
- Air contactors require large surface areas but thin depths to optimize capture and energy use.
Recycling Capture Materials
- Recycling capture materials is crucial for sustainability and cost-effectiveness.
- This requires substantial heat because CO2 binds strongly to the capture materials.