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- E-ISSN 2288-8985
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Adsorption and Biological Properties of Ni-treated PAN Based Activated Carbon Fiber
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.2, pp.194-199
Oh,
W.
(2000). Adsorption and Biological Properties of Ni-treated PAN Based Activated Carbon Fiber. Analytical Science and Technology, 13(2), 194-199.
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Abstract
The study on the adsorption, the surface properties and the antibacterial effects of the Ni-treated PAN based activated carbon fibers was carried out. In the adsorption study on the Ni-treated PAN based ACFs, Type I isotherms for N1-N3 and Type II-Type III isotherms for N4-N6 were obtained, respectively. Futhermore, their adsorbed volumes slowly were decreased with the increase in the mole concentration of Ni on the treated PAN based ACFs. From the BET equation, the specific surface areas of the Ni-treated PAN based ACFs were in the range of <TEX>$692.58-895.24m^2/g$</TEX>. The micropore volumes obtained from <TEX>${\alpha}_s$</TEX>-method using common-t value were <TEX>$0.19-0.56cm^3/g$</TEX>. The surfaces of PAN based ACFs partially blocked by metal after the treatment were observed from the SEM micrographs. Finally, from the antibacterial effects using Shake flask method against E. coli, the percentage of the effects was 92.5-100% and the antibacterial effect was increased with the increase in mole concentration of Ni treated.
- keywords
- Adsorption isotherm, PAN based ACFs, Surface area, <TEX>${\alpha}_s$</TEX>-method, SEM, Antibacterial effect
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