Phosphate removal in water by mesostructure based on titanium and silica

티타늄과 실리콘 기반의 메조구조체를 이용한 수중의 인 제거

  • 이승연 (고려대학교 화공생명공학과) ;
  • 최재우 (한국과학기술연구원 국가기반기술연구본부 물환경센터) ;
  • 이상협 (한국과학기술연구원 국가기반기술연구본부 물환경센터) ;
  • 이기봉 (고려대학교 화공생명공학과) ;
  • 홍석원 (한국과학기술연구원 국가기반기술연구본부 물환경센터)
  • Published : 2011.10.15


In this study, it was investigated that the feasibility of utilizing inorganic mesostructures for removal of phosphate in water. The comparison of the efficiency for phosphate adsorption between inorganic mesostructures was conducted. X-ray diffraction(XRD) and Brunauer-Emmett-Teller(BET) methods were used to characterize these mesostructures. The efficiencies of silica and titanium mesostructures for the removal of phosphate from aqueous solution were investigated. Equilibrium data were analyzed using the Langmuir isotherm. The maximum adsorption capacities of mesostructure adsorbents were found to be 49.3 and 19.5 mg $g^{-1}$ for the titanium and silica mesostructures, respectively. The adsorption kinetics was described by a pseudo third-order kinetic model. The results from this study indicated that the titanium mesostructure has the potential to be utilized for the cost-effective removal of phosphate from wastewater.


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