Compared with traditional porous carbon materials, activated carbon fibers (ACFs) have unique characteristics, such as fast intraparticle adsorption kinetics, leading to increasing application in gas phase and aqueous phase adsorption [1]. Porosity in ACF depends on the method of preparation and precursor material [2]. Activated carbons prepared from CO-2 activation exhibit a larger micropore volume and a narrower micropore size distribution that those prepared from water steam activation [3,4]. The product gases, CO and H_2 exhibit product inhibition in the C-CO_2 and C-H_2O reaction [4]. In addition, the type of porosity created by gasification is also affected by the product gases CO and H_2 [5].
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