Adsorption of carbon dioxide on adsorbent materials is becoming increasingly significant in the field of energy and environment. The increase in the concentration of carbon dioxide in the earth's atmosphere has had many environmental effects and therefore, the storage and separation of this gas is very important. [1]. Activated carbon has been used as one of the most important industrial adsorbents for the storage of carbon dioxide. Modification of activated carbon performance as a commercial adsorbent has always attracted the attention of a large number of scientists [2, 3]. The application of such carbon nanostructures in the modification of adsorptive properties of activated carbon has been studied in the recent years due to the extraordinary characteristics of carbon nanotubes [4, 5].
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