Experimental study of CO2 equilibrium adsorption and desorption on 13X zeolite and theoretical design of a separation unit of CO2 from a dry gas flow

چکیده مقاله

Abstract                  

In this study, to consider adsorption and desorption of carbon dioxide by zeolite 13x using  manometric method, experiments were performed in an adsorption system at temperatures 30, 40 and 50ºC and pressures 0.4, 0.5, 0.6, 0.8, 1, 3 and 5 bar. In addition, bed dimensions was estimated for PSA and TSA processes for each breakthrough time in pressures 1, 3 and 5 bar. The results showed that the adsorption capacity decreases with increase in temperature, as the pressure increases the adsorption equilibrium increases, most of the adsorbent capacity is saturated at pressure less than 0.5 bar, adsorption and desorption isotherms do not necessarily match, and the dimensions of the adsorption bed for PSA process is much less than what needed for TSA processes.

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