An intraparticle diffusion was the rate-controlling step for the adsorption of phenol on activated bamboo charcoal. 颗粒内扩散模型分析表明，活性竹炭对苯酚溶液的吸附过程中，颗粒内扩散为主要速率控制步骤。
The effective diffusion coefficient and rate constant of intraparticle transport were calculated. 求出了颗粒内有效扩散系数和颗粒内扩散速率常数。
