Regeneration Performance of Activated Carbon for Desulfurization

This study explored the regenerated performance of activated carbon (AC) as SO(2)adsorbent. The optimal conditions of SO(2)removal were determined by experiment, and then the adsorption efficiency of AC was studied by a method of thermal regeneration. The characteristics of regenerated AC were analyzed by Brunauer-Emmett-Teller (BET) and Scanning Electron Microscopy (SEM) methods. The test results showed that the most suitable adsorption conditions were using 4 g of activated carbon, 1.65 L/min gas flue rate, and 5% O-2. During the ten regenerations, the desulfurization efficiency and sulfur capacity of AC still maintained a high level. The characterization results showed that the increase of material surface area and pore volume were 101 m(2)g(-1), and 0.13 cm(3)g(-1), respectively, after the cycles.