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AssigneeCarburos Metalicos S.A.
InventorsJuan P. Mercader, Pablo R. Villamanan
Estimating the term…
The method consists of recovering heat contained in the combustion gases in a first heat exchanger or boiler, recovering the heat given off by the engine or turbine in the form of steam and/or hot water, leading the previously cooled, in a second heat exchanger, combustion gases to a pressure gas holder, impelling the gases to a washing and cooling column and passing them through CO.sub.2 absorption columns wherein this latter is picked up whereas the remainder of gases, specially N.sub.2, are left free, and conventionally performing the steps for obtaining both gases. For performing all of the obtention procedure, use is made of only the combustion generated energy, thus thoroughly recovering the above gases with a whole benefit of the energy contributed by the hydrocarbons.
In the method of obtaining CO.sub.2 and N.sub.2 from hot combustion exhaust gas, the steps that include:
A method for obtaining CO.sub.2 and N.sub.2 from the gases generated in an internal combustion engine or turbine burning hydrocarbons and generating electricity, steam and/or hot water and combustion gases, the method consisting of recovering heat contained in the combustion gases in a first heat exchanger or boiler, recovering the heat evolved by the engine or turbine as steam and/or hot water, leading the previously cooled, in a second heat exchanger, combustion gases to a pressure gas holder, impelling the said gases to a washing and cooling column, causing the gases to circulate through a CO.sub.2 absorption column or columns wherein CO.sub.2 is picked up as a carbonated solution while the remainder of the gases, essentially N.sub.2, flowing from the column or columns, regenerating the carbonated solution to receive CO.sub.2 therefrom, subjecting the CO.sub.2 to compression, liquifying and drying phases, subjecting the N.sub.2 to decarbonizing, deoxygenation, purification, drying compression and liquifying steps, the entire procedure for obtaining the CO.sub.2 and N.sub.2 using only the energy contained in the steam and/or hot water and the combustion gases, thus thoroughly recovering the said combustion gases by virtue of the benefit of the energy contributed by the hydrocarbons.
Dependencies are inferred from the claim text.