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Using Rocket Science (Literally!) for Carbon Capture


Capturing carbon dioxide from exhaust in order to reduce emissions levels has seemed as difficult as rocket science. And now, some rocket science may provide a solution to the difficult problem of extracting CO2 from industrial exhausts. Rocket nozzles are being studied as part of a new approach to capturing carbon dioxide from the smokestacks of coal power plants and cialis prescriptionsgeneric cialis sale other heavy emissions sites. The new approach could lead to significantly lower costs for carbon sequestration.

Vapor trails are commonly formed behind jets and rockets. Water vapor in the exhaust is suddenly allowed to expand, leading to rapid cooling and condensation. By pressurizing industrial exhausts and passing them through a nozzle, the same effect can be obtained for flue gases from coal plants, cement mills, and other CO2 sources. Once released, the suddenly expanded and cooled CO2 would form into dry ice. In this form, it would be much easier for the CO2 to be collected. It could then be turned into industrial product, or put into other kinds of sequestration.

ICES (Inertial CO2 Extraction System) is an investigational project under the just try! discount drug cialis Department of cialis generic Energy's IMPACCT (Innovative Materials & Processes for Advanced Carbon Capture Technologies) program. Researchers on the product say that use of this technology could reduce the cost for carbon capture from current levels of around an 80% premium on the base cost down to a 30% premium.

via: Discovery News and Inhabitat

Image: ATK methane rocket engine (not directly related to levitra side effects the ICES project)

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Well...then what?!
written by Arne, July 16, 2010
Pressurizing the exhaust gases needs energy, doesn't it? And once you have teh CO2 as dry ice, you will find that it contains quite a lot of other very interesting chemicals from the industrial processes (usually burning coal: mercury, heavy metals as lead, cadmium etc.) This would make reusing the CO2 nearly impossible. Find me an accessible place with a maximum temperature of below -40C... Yes, I know: why not put it into an emptied oilfield...I guess we have all learned quite a lot about the safety of drilling operations these last months, haven't we? Nobody knows exactly what kinds of geophysical / chemical processes may be expected...
Rather renewables thanks...
written by Richard Davine, July 22, 2010
I'd rather see clean green renewables than this sort of thing. Stuff coal, gas and leave it in the ground where it belongs. Let's get out of the stone age and online pharmacy viagra uk stop banging out heads against this coal brick wall.

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