Abstract
This paper describes the Procon/Dow process for recovering pure carbon dioxide from flue gases. An amine solvent has been developed by Dow Chemical U.S.A., this reduces degradation and vaporization losses to between 2 lb and 4 lb per ton of carbon dioxide produced. However, the process will only work with flue gases from natural gas-fired boilers, because of problems with the acidic components found in other flue gases. The purity of the final product is claimed to be over 99.5%.
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