The modified model considered the non\|homogenous original porosity of the particle, and a mathematical model of non\|homogenous original porosity was built.

• 改进后的模型考虑到颗粒内部初始孔隙率的非均匀性,建立了一个初始孔隙率沿半径变化的单颗粒脱硫数学模型。