한국섬유공학회지 (Textile Science and Engineering)

  • 제41권4호
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  • Pages.298-303
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  • 2004
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
권호 표지

은 처리 활성탄소의 암모니아 제거 및 항균특성에 관한 연구

Influence of Silver Treatments on Ammonia Removal and Antibacterial Activities of Activated Carbons

  • 박수진 (한국화학연구원 화학소재연구부) ;
  • 신준식 (한국화학연구원 화학소재연구) ;
  • 김학용 (전북대학교 섬유공학) ;
  • 이덕래 (전북대학교 섬유공학과)
  • 발행 : 2004.08.01
⟨ 이전 논문 다음 논문 ⟩

초록

In this work, activated carbons (ACs) containing silver were prepared by anodic oxidation and immersion processes in AgNO$_3$ solution, in order to improve the ammonia removal efficiency and increase their antibacterial activities. The pore and surface properties of ACs were studied in terms of N2/77k nitrogen adsorption measurement, X-ray photoelectron spectrometer (XPS), and scanning electron microscope (SEM). The ammonia removal efficiency was confirmed by gas-detecting tube technique and the antibacterial activities were investigated by dilution test against Staphylococcus aureus (S. aureus; gram positive and virulence) and Klebsiella pneumoniae (K. pnumoniae; gram negative and avirulence). As a result, the specific surface area and micropore volume of ACs decreased slightly with the AgNO$_3$ treatment. However, the AgNO$_3$ treated ACs led to an increase in ammonia removal efficiency, mainly due to an increase in oxygen containing functional groups on ACs surfaces. Also, the antibacterial activities of the AgNO$_3$ treated ACs agianst S. aureus as well as K. pnumoniae predominantly increased, which could be attributed to the presence of silver in Ag/ACs systems.

키워드

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