Method for operating a power plant by means of a CO.sub.2 process
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United States of America Patent
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Aug 15, 2006
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N/A
app pub date -
May 25, 2004
filing date -
Feb 25, 1998
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Abstract
In a method for operating a power plant by means of a CO.sub.2 process, isentropic compression first takes place, subsequently an isobaric heat supply, then isentropic expansion, and finally isobaric heat discharge. The CO.sub.2 process broken down here takes place with internal combustion, a fuel (21) and the oxygen (18) necessary for oxidization being supplied. After the charging of the CO.sub.2 circuit (23) has been carried out, the excess CO.sub.2 formed from combustion is discharged continuously, in that this gas is led through a cooler (14), in which said gas is condensed. In order to dispose of this condensed CO.sub.2 (15), there are available here, for example, the possibilities of storing this CO.sub.2 on the ocean floor or of introducing the condensed CO.sub.2 into a worked-out deposit of natural gas.
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