Patent ID: 7931735
Filing Date: 2011-04-26
Classification: B01D,F04D,F23J,F23L,Y02E

Abstract:
1. A combustion method with carbon dioxide capture wherein at least the following stages are carried out: a) mixing an oxygen-rich stream with a carbon dioxide-rich stream so as to form a mixture, b) burning a fuel with said mixture, c) treating the combustion fumes to condense water and carry along sulfur compounds, wherein part of the treated fumes is used to be mixed with the oxygen-rich stream in stage a) d) partly liquefying at least part of the treated fumes obtained in stage c), by compression to a pressure ranging between 40 and 70 bars absolute and by cooling to a temperature above 0° C., so as to obtain partly liquefied fumes containing at least 8% by volume of liquid, and e) compressing by means of at least one multiphase pump the partly liquefied fumes obtained in stage d) so as to obtain a compressed stream.