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논문 기본 정보

자료유형
학술저널
저자정보
김지현 (고등기술연구원) 김석휘 (고등기술연구원) 이기쁨 (고등기술연구원) 김호 (고등기술연구원) 홍범의 (고등기술연구원)
저널정보
한국에너지기후변화학회 에너지기후변화학회지 에너지기후변화학회지 Vol.14 No.2
발행연도
2019.12
수록면
113 - 124 (12page)

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초록· 키워드

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In order to investigate the effects of surface treatment on the development of specific surface area of activated carbons (ACs), ozone treatment was carried out on the ACs and followed by activation with KOH. Ozone treatment was proceeded with various reaction times, and chemical activation was proceeded with KOH/ACs mass ratio of 2.0. As the ozone treatment was increased, the relative fractions of C-O, C=O, and COOH containing oxygen were increased overall in the XPS C1s results. As the oxygen functional groups (OFGs) were increased, the oxidizing gas generation was increased continuously, and the CO₂ gas was increased about three times rapidly above the ozone treatment amount of 0.06 g-O₃/g-ACs. As CO gas was known to facilitate the development of specific surface area, the CO/CO₂ gas ratio was the highest with 15.95 at 0.06 g-O₃/g-ACs, the high specific surface area was obtained to 1,350 ㎡/g. As confirmed by the pyrolysis process, the highest specific surface area was also observed in the ozone treatment of 0.06 g-O₃/g-ACs in the KOH activation, at this time, the value of 2,631 ㎡/g was found to be increased by about 30% (608 ㎡/g) compared to the specific surface area (2,023 ㎡/g) of untreated activated carbon.

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ABSTRACT
1. 개요
2. 실험 재료 및 방법
3. 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2020-453-000362824