May/June 2008
A Cheap CO2 Trap
Crystals could capture greenhouse gases released by power plants.
By Kevin Bullis
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Gas eaters: These man-made crystals, less than one millimeter long, can capture up to 80 times their volume in carbon dioxide.
Credit: Courtesy of Yaghi Research Group |
It's possible today to chemically capture carbon dioxide emitted by smokestacks. But the process is expensive and energy intensive, and it can inflate the cost of electricity produced from coal by 80 to 90 percent.
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Massachusetts Institute of Technology