It is unfavorable to CO2 capture that the carbonation conversion of calcium-based CO2 sorbent decays sharply as the number of cycles increases during the calcination/carbonation process.

• 钙基CO2吸附剂如石灰石在循环煅烧/碳酸化过程中随着循环次数的增加碳酸化转化率迅速衰减，这对CO2的捕捉极为不利。