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동향자료
저자정보
Youssef, A.M. (Department of Chemistry, Faculty of Science, Mansoura University) Ahmed, A.I. (Department of Chemistry, Faculty of Science, Mansoura University) El-Bana, U.A. (Department of Chemistry, Faculty of Science, Mansoura University)
저널정보
한국탄소학회 Carbon letters Carbon letters 제13권 제2호
발행연도
2012.1
수록면
61 - 72 (12page)

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Dye removal from waste water via adsorption by activated carbons (ACs) developed from agricultural wastes represents an ideal alternative to other expensive treatment options. Physical and chemical ACs were prepared from rice husks. The textural properties of the ACs were characterized by Brunauer-Emmett-Teller-$N_2$ adsorption and scanning electron microscopy. The chemistry of the carbon surface was investigated by Fourier transform infrared spectroscopy, base and acid neutralization capacities, pH of the active carbon slurry, and $pH_{pzc}$. The adsorption capacities of the ACs for the basic dye (methylene blue) and acid dye (acid green 25) were determined using parameters such as contact time, pH, and temperature. NaOH-ACs showed the highest surface area and total pore volume, whereas steam-ACs showed the lowest ones.

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