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Fu-Huang Lin,Minghan Luo,Longzhe Cui,Gui-Ping Wu 한국화학공학회 2015 Korean Journal of Chemical Engineering Vol.32 No.2
Activated carbon(AC) was prepared using brewing yeast as a precursor by chemical activation; meanwhile,cobalt, copper, ferrum and manganese supported on activated carbon(Co/AC, Cu/AC, Fe/AC, Mn/AC) were preparedby adsorption-activation method. The characterizations of prepared AC, Co/AC, Cu/AC, Fe/AC, Mn/AC and theirperformance as ozonation catalysts were tested. The total BET surface areas of prepared AC, Co/AC, Cu/AC, Fe/AC,Mn/AC were found to be 957.7, 789.7, 485.3, 486.1 and 529.8m2/g. Absorption capacities of methylene blue (MB) weredetermined to 407.77, 206.52, 121.25, 123.01, 170.94mg/g, respectively. The presence of AC was advantageous for TOCreduction of MB compared with UV/O3 system, and metal Co, Cu, Fe, Mn play an important role in the degradationprocess. The greatest TOC removal efficiency was obtained in the presence of Co/AC.