Abstract
The use of chemical looping combustion (CLC) for power generation is an advanced energy technology that can capture CO2 inherently, which could prove to be the next electricity generation technology in a carbon-constrained future. For commercial-scale application of the CLC process, the availability of cost-effective oxygen carriers (OCs) with stable performance is imperative. Given the composition of ilmenite, there may be potential for its application as a cost-effective alternative OC for CLC. In this study, the performance of a Canadian ilmenite was investigated and showed promising results. Complete reduction of ilmenite takes a relatively long time; therefore, it is not practical for ilmenite to reach its maximum oxygen transport capacity by counter-balance of capital investment in the fuel reactor. Reduction in the first 30 min was selected as the effective reaction for the application of CLC, which gave an oxygen transport capacity of about 5.52%. To understand the phase and Fe valence state (Fe3+...
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