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Pacific Northwest National Laboratory scientist David Heldebrant works to capture sulfur components and CO2 from test emissions streams in a process called Reversible Acid Gas Capture.

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Document Title: Reversible Acid Gas Capture
Category: Chemistry
Media Type: Photos
Date of Image/Photo: 2009
Background: The Department of Energy’s Pacific Northwest National Laboratory has developed a reusable organic liquid that can pull harmful gases such as carbon dioxide or sulfur dioxide out of industrial emissions from power plants. The process could directly replace current methods and allow power plants to capture double the amount of harmful gases in a way that uses no water, less energy and saves money. Harmful gases such as carbon dioxide or sulfur dioxide are called "acid gases". The new scrubbing process uses acid gas-binding organic liquids that contain no water and appear similar to oily compounds. These liquids capture the acid gases near room temperature. Scientists then heat the liquid to recover and dispose of the acid gases properly.
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/DRAE-7V222H

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