Capturing CO2 from ambient air - David Keith
Capturing CO2 from ambient air - David Keith
Capturing CO2 from ambient air - David Keith
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CO 2 concentration [ppm]<br />
400<br />
390<br />
380<br />
370<br />
360<br />
350<br />
340<br />
background<br />
avg = 380.7<br />
spray starts<br />
switch to outlet<br />
switch to background<br />
avg = 343.2<br />
avg = 376.8<br />
1000 1500 2000 2500<br />
time [s]<br />
Figure B.8: Measured <strong>CO2</strong> concentration during a portion of Trial 2. Horizontal lines indicate the average<br />
value over the time span of the line. The difference between background and steady state outlet concentration<br />
represents the rate of <strong>CO2</strong> absorption into solution. “Switch to...” refers to changing the point of<br />
measurement, which begins in the outlet position.<br />
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