Study on the Application Conditions of Ethane Adsorption by Activated Carbon
Ethane is a non-polar molecule with small kinetic diameter,and the adsorption capacity of tradi-tional adsorbents is low.Therefore,the selection of adsorption materials and the setting of application conditions are very important when recovering ethane by adsorption method.By analyzing the pore struc-ture,phase composition and adsorption capacity of activated carbon,the adsorbent with strong adsorption capacity of ethane was selected,and the influence of application conditions on the adsorption of ethane on the adsorption bed was studied.The results showed that AC-1 with large specific surface area and pore size of 1～4 nm had excellent adsorption performance of ethane.The experimental results indicated that the concentration,flow rate,temperature and pressure could affect the adsorption performance of ethane.In-creasing the inlet concentration or feed flow rate was beneficial to improve the adsorption rate of the adsorp-tion bed,and decreasing the adsorption temperature or increasing the adsorption pressure was beneficial to ex-pand the breakthrough time of the adsorption bed.
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