| abstract |
The present invention relates to a high pressure process for Pre-Combustion and Post-Combustion CO 2 capture (HP/MP/LP gasification) from a CO 2 gas stream (CO2-Stream) by way of CO 2 total subcritical condensation (CO2-CC), separation of liquid CO 2 , higher pressure elevation of obtained liquid CO 2 via HP pump, super-heating of CO 2 up to high temperature for driving of a set of CO 2 expander turbines for additional power generation (CO2-PG), EOR or sequestration (First new Thermodynamic Cycle). The obtained liquid CO 2 above, will be pressurized at a higher pressure and blended with HP water obtaining high concentrated electrolyte, that is fed into HP low temperature electrochemical reactor (HPLTE-Syngas Generator) wherefrom the cathodic syngas and anodic oxygen will be performed. In particular the generated HP oxygen/syngas will be utilized for sequential combustion (“H 2 /O 2 -torches”) for super-efficient hydrogen based fossil power generation (Second new Thermodynamic Cycle). |