a b s t r a c tA relatively long-term experiment for chemical looping combustion of coal with NiO/Al 2 O 3 oxygen carrier was carried out in a 10 kW th continuous reactor of interconnected fluidized beds, and 100 h of operation was reached with the same batch of the oxygen carrier. The reactivity deterioration of the oxygen carriers was present during the experimental period. The reactivity deterioration of reacted oxygen carriers at different experimental stages was evaluated using X-ray diffraction (XRD), s…
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