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HWAHAK KONGHAK,
Vol.37, No.1, 34-40, 1999
Vol.37, No.1, 34-40, 1999
수용액으로부터 활성탄소섬유에 의한 Cu(II), Co(II), Ni(II) 흡착 및 피콜린산의 영향
The Adsorption of Cu(II), Co(II), Ni(II) from Aqueous Solution onto Activated Carbon Fibers and the Effect of Picolinic Acid
활성탄소섬유에 의한 제염 폐액 중 Cu(II), Co(II), Ni(II)의 흡착거동과 피콜린산 착화제의 첨가 영향을 조사하였다. 금속 이온의 흡착량은 활성탄소섬유의 표면 산도와는 일정한 관계를 보이지 않았지만 비표면적과는 비례관계를 보였다. 각 금속 이온농도에 대한 피콜린산의 몰농도비(Pic/M)가 1.0일 때 지배적인 화학종은 중성 전하를 띤 M(Pic)20 또는 음 전하를 띤 M(Pic)3-이므로 정전기적 반발력 감소로 인한 높은 흡착 용량을 얻을 수 있었다. A-20을 사용했을 때, 보다 많은 흡착 활성점 제공으로 높은 흡착 용량을 얻을 수 있었다.
The adsorption behavior for Cu(II), Co(II) and Ni(II) in decontamination liquid waste on activated carbon fibers(ACFs) and the effect of picolinic acid on this adsorption have been studied. The adsorption capacity didn't have certain relation with surface acidity, but that had proportional relations with surface area. At Pic/M=1.0 dominative species are M(Pic)20 with neutral charge or M(Pic)3- with negative charge, thus large adsorption capacity can be obtained from reducing repulsive force. At A-20 sample large adsorption capacity can be obtained from serving more active sites than the others.
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[Cited By]
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