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논문 기본 정보

자료유형
학술저널
저자정보
Oh, Won-Chun (Department of Advanced Materials & Science Engineering, Hanseo University) Kim, Jong-Gyu (Hanil Green Tech Co, Ltd) Kim, Hyuk (Hanil Green Tech Co, Ltd) Chen, Ming-Liang (Department of Advanced Materials & Science Engineering, Hanseo University) Zhang, Kan (Department of Advanced Materials & Science Engineering, Hanseo University) Meng, Ze-Da (Department of Advanced Materials & Science Engineering, Hanseo University) Zhang, Feng-Jun (Department of Advanced Materials & Science Engineering, Hanseo University)
저널정보
한국재료학회 한국재료학회지 한국재료학회지 제19권 제11호
발행연도
2009.1
수록면
569 - 575 (7page)

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In this study, the effects of silver treatment and activation on the physical and chemical properties of spherical activated carbon (SAC) were studied. The textural properties of SAC were characterized by BET surface area, XRD, SEM, iodine adsorption, strength intensity, pressure drop and antibacterial effects. BET surface areas of SACs decreased with an increase of the amount of PR before and after activation, and the BET surface areas of SACs were found to be about 2-3 times the size of those before activation. The XRD patterns showed their existing state as stable Ag crystals and carbon structure. The Ag particles are seaweedlike and uniform, being approximately 5-10 μm in size deposited on the surface of activated carbon. All of the samples had much more iodine adsorption capability after activation than before activation. The strength values of SACs increased with an increase of the amount of PR, and there was a smaller drop in the strength values of SACs with silver treatment than with non-silver treatment after activation. The Ag-SAC composites showed strong antibacterial activity against Escherichia coli (E. Coli).

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