Browsing by Author "Kotowicz, Janusz"
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Item Open Access Modeling of a supercritical power plant with an oxy type pulverized fuel boiler, a carbon dioxide capture unit and a ‘four-end’ type membrane air separator(Polish Academy of Sciences, 2012-12-31) Kotowicz, Janusz; Michalski, SebastianThe analysis of a 600 MW supercritical power plant with parameters of life steam at 30 MPa/ /650o C and of reheated steam 6 MPa/670o C was made. Power plant is equipped with the following units: oxy type pulverized fuel boiler, ‘four-end’ high temperature membrane air separator and carbon dioxide capture system which were modeled. With the assumption of a constant gross power of the analyzed power plant, the thermal efficiency of the boiler and the steam cycle efficiency were calculated. These parameters were designated as a function of the recovery rate of oxygen in the air separation unit. This allowed to determine gross and net efficiency of electricity generation.