The calcium looping CO2 capture process using calcium oxide as a regenerable solid sorbent has been under development at the Industrial Technology Research Institute (ITRI) of Taiwan for several years. The 3‐kWth test facility built at ITRI is mainly composed of a fluidized‐bed carbonator and a rotary kiln calciner. The calcination efficiency, the CO2 capture efficiency, and operating stability were investigated. In addition, a cold model test facility has been constructed and a 1.9‐MWth pilot plant designed by ITRI is currently being erected. The combination of calcium looping and cement manufacturing process reduces the cost of adsorbent and calcination energy consumption.

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