Supercritical CO2 cycle coupled to chemical looping arrangement

A system for employing a supercritical CO2 cycle, wherein the supercritical CO2 cycle is coupled to a fuel reactor and an air reactor fluidly connected to the fuel reactor, wherein fuel reacts with oxygen carriers in the fuel reactor to form reformed or combusted fuel and reduced oxygen carriers, and wherein the reduced oxygen carriers are oxidized via an air stream in the air reactor to form re-oxidized oxygen carriers and oxygen-depleted air, the system comprising:

• a compressor configured to receive a CO2 stream from a CO2 source, wherein the compressor is configured to increase the pressure of the CO2 stream thereby creating a high pressure supercritical CO2 stream;
• a first heat exchanger in fluid communication with the compressor and the fuel reactor, the first heat exchanger being configured to receive and heat the supercritical CO2 stream, and being configured to receive at least a portion of the reformed or combusted fuel from the fuel reactor, wherein the energy from the reformed or combusted fuel is used to heat the supercritical CO2 stream;
• a second heat exchanger in fluid communication with the first heat exchanger and the air reactor, the second heat exchanger being configured to receive and further heat the supercritical CO2 stream received from the first heat exchanger, and being configured to receive the oxygen-depleted air and a portion of the re-oxidized oxygen carriers from the air reactor, wherein the energy from the oxygen-depleted air and the portion of the re-oxidized oxygen carriers is used to heat the supercritical CO2 stream;
• and
• a turbine in fluid communication with the second heat exchanger, the turbine being configured to receive the supercritical CO2 stream from the second heat exchanger and expand the supercritical CO2, whereby the expansion of the supercritical CO2 generates power, and wherein the turbine comprises an outlet for the expanded supercritical CO2.