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提出了用动态法研究水溶液中固-液界面吸附的装置。在采用此装置的吸附研究中,吸附剂用量可降低为常规静态法的几十分之一,不需取样和固液分离,可连续测定二种吸附质的共吸附过程。本文以十二烷基苯磺酸钠在高岭土上的吸附为例,在该装置上研究了不同条件下的吸附,并与静态吸附实验结果作了比较。本文的工作为评价吸附对表面活性剂驱油体系的影响以及开展吸附动力学的研究创造了条件。
A dynamic device was proposed to study the solid-liquid interface adsorption in aqueous solution. Adsorption using this device in the study, the amount of adsorbent can be reduced to a few one-tenth of the conventional static method, without sampling and solid-liquid separation, continuous determination of two adsorbate co-adsorption process. In this paper, the adsorption of sodium dodecylbenzenesulfonate on kaolin was taken as an example. The adsorption of sodium dodecyl benzene sulfonate under different conditions was studied and compared with the static adsorption experiment. The work in this paper has provided the conditions for the evaluation of the effect of adsorption on the surfactant flooding system and for the study of adsorption kinetics.