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通过对吸附率(有效吸附系数)Ks和饱和吸附量msat的测量,描述了粘度为0.001Pa.s~0.850Pa.s的各种油类在膨胀石墨柱中的吸附动力学,发现吸附率Ks对油类粘度有很强的相关性。吸入膨胀石墨柱中的饱和吸附量msat几乎恒定在50kg/kg,该值略低于由膨胀石墨块直接浸渍在油中测得的吸附容量,这是由于所吸附的油沿膨胀石墨柱高度存在重力梯度。
Through the adsorption rate (effective adsorption coefficient) Ks and the saturated adsorption capacity msat, the adsorption kinetics of various oils with viscosities between 0.001Pa · s and 0.850Pa · s in expanded graphite columns were described. It was found that the adsorption rate Ks Strong correlation with oil viscosity. The saturated adsorption amount msat drawn into the expanded graphite column is almost constant at 50 kg / kg, which is slightly lower than the adsorption capacity measured by direct impregnation of the expanded graphite block in the oil due to the presence of the adsorbed oil along the height of the expanded graphite column Gravity gradient.