The adsorption process in the experimental conditions can be considered as external diffusion control.
认为实验条件下的吸附过程属于外扩散控制。
The results show: external diffusion is control process for mass transfer, and increasing air velocity and decreasing particle diameter are effective measures to decrease mass transfer resistance.
研究结果表明：外扩散过程是传质的控制步骤，增大风速、减小吸附剂颗粒直径是减少传质阻力的有效措施。
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