Abstract
The Chemical Looping Combustion/Gasification Systems, CLC/CLG, are one of the possible counter measures for the separation and withdrawal of carbon dioxide from the combustion systems. Because much carbon dioxide is emitted in the coal utilization, CLC/CLG are expected to be applied to the coal combustion. Then, high reactivity and low cost lattice oxygen carrier will be required in the CLC for coal. The ash separated from the system may accompany the lattice oxygen carrier and the development of low cost carrier becomes important. In this study, waste metal oxide is used to achieve low cost lattice oxygen carrier and it is found that waste metal oxide easily form agglomerate. Metal oxides are deposited on the inert particles to avoid agglomeration.
