本文的固定床吸附模型以固体表面扩散为基础，同时考虑吸附剂颗粒内外扩散阻力、轴向弥散、非线性吸附平衡和吸附剂形状因子的影响。详细讨论了吸附剂形状因子对固定床吸附动力学的影响。当三种形状吸附剂颗粒的特征尺寸相同时，透过时间大小顺序为：球形>无限长圆柱形>无限大薄片形；在某些特定条件下，吸附剂形状因子对透过时间及穿透曲线的影响可以忽略。 The fixed-bed adsorption model in this paper is based on the solid surface diffusion, taking into account both the internal and external diffusion resistance of adsorbent particles, the axial dispersion, the nonlinear adsorption equilibrium and the adsorbent shape factor. The effects of adsorbent shape factors on the adsorption kinetics of fixed bed are discussed in detail. When the three adsorbent particles have the same feature size, the order of the permeation time is: spherical shape> infinite cylindrical shape> infinity sheet shape; in some specific conditions, the adsorbent shape factor has the same effect on the transmission time and the penetration The effect of the curve can be neglected.