The results showed that both burning rates and burn-off rates of chars in O2/CO2 environment were lower than those in O2/N2 environment with equivalent O2 concentration and same operating conditions.

• 结果表明，在相同的操作条件下，相同O2浓度的O2/CO2气氛下煤焦的燃烧速率较慢、燃尽率较低，各试样的孔比表面积和比孔容积均较小。