Characteristics of Surface Modified Activated Carbons Prepared Using P2O5 and Their Adsorptivity of Bisphenol A

P2O5로 표면 개질한 활성탄의 특성 및 Bisphenol A의 흡착능

  • Lee, Min-Gyu (Department of Chemical Engineering, Pukyong National University) ;
  • Kim, Myeong-Chan (Department of Environmental Engineering, Jeju National University) ;
  • Kam, Sang-Kyu (Department of Environmental Engineering, Jeju National University)
  • Received : 2015.09.24
  • Accepted : 2015.11.13
  • Published : 2015.11.30


The surface modified activated carbons (SMACs) were prepared with various $P_2O_5$ concentrations using two activated carbons (ACs: waste citrus peel-based activated carbon and coconut-based activated carbon). The characteristics and adsorptivity of bisphenol A (one of phenolic endocrine disrupting chemicals) were compared between ACs and SMACs. The contents of C, H and N of SMACs were similar to those of ACs, but the content of $P_2O_5$ for the former increased greatly than for the latter, due to the impregnation of $P_2O_5$ into the pores. The specific surface area, total pore volume, average pore diameter and iodine adsorptivity for the former decreased due to the impregnation of $P_2O_5$ into the pores, compared to those for the latter. The adsorptivity of bisphenol A for the former were higher than that for the latter, although specific surface area, total pore volume, average pore diameter and iodine adsorptivity for the former were lower than those for the latter.


Supported by : 제주대학교


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