The optical-electrical measurement is an effective and feasible way to measure solid particle concentration and velocity in gas-solid two phase flow.
应用光一电检测方法测量气一固两相流中固体微粒浓度、速度，是一种十分有效和可行的方法。
2
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。
3
The results show: external diffusion is the main resistance for mass transfer, and increasing air velocity and decreasing particle diameter are effective measures to decrease mass transfer resistance.