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Environment
Capturing Carbon Is Problematic
February 17, 2014
| A version of this story appeared in
Volume 92, Issue 7
Jan. 27, page 19: A story about lab management software incorrectly referred to a brand of business management software. It’s QuickBooks, not Clipbooks.
“Striving To Capture Carbon” does not mention a fundamental problem with underground injection of liquid CO2 (C&EN, Nov. 25, 2013, page 24).
Correction
Jan. 27, page 19: A story about lab management software incorrectly referred to a brand of business management software. It’s QuickBooks, not Clipbooks.
The critical temperature of CO2 is 31.1 °C, which is the temperature at which it can no longer remain in a liquid state. If liquid CO2 is injected into the ground and if the temperature rises just a little, it will become a supercritical fluid and completely fill all the nooks and crannies of its container.
One can imagine the small but pervasive leakage of CO2 that will almost certainly occur. Good luck to the people under whose ground the CO2 has been injected. They will have a tough time selling their property.
Neil Kaufman
Sudbury, Mass.
The power is now in your (nitrile gloved) hands
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