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표면 개질된 메조기공실리카를 이용한 수중의 인 제거Surface modified mesoporous silica (SBA-15) for phosphate adsorbents in water
- Other Titles
- Surface modified mesoporous silica (SBA-15) for phosphate adsorbents in water
- Issue Date
- 2011
- Publisher
- 대한상하수도학회
- Keywords
- 기능화된 SBA-15; 메조기공구조체; 인산 흡착; 계면활성제; Functionalized SBA-15; Mesoporous materials; Phosphate adsorption; Surfactant
- Citation
- 상하수도학회지, v.25, no.5, pp.719 - 724
- Indexed
- KCI
- Journal Title
- 상하수도학회지
- Volume
- 25
- Number
- 5
- Start Page
- 719
- End Page
- 724
- ISSN
- 1225-7672
- Abstract
- The excessive phosphate in water causes eutrophication which destroys water environment. In this study, mesoporous silica was synthesized and several functional groups were attached on it. Samples were tested to identify the ability to remove phosphate. The structures of synthesized materials were analyzed by X-ray diffractions (XRD), Fourier transform-infrared (FT-IR) and surface area analysis, Brunauer,Emmett,Teller (BET). To determine the maximum phosphate adsorption capacities and sorption rate, the equilibrium test and kinetic test was conducted. Among functionalized SBA-15 samples, pure SBA-15 didn’t adsorb phosphate but Al-SBA-15 and Ti-SBA-15 showed good performances to remove phosphate. The maximum phosphate adsorption capacity of Al-SBA-15 was efficient compared to other adsorbents.
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