In this study, the effect of the activation reagent on the pore structure of pitch-based activated carbon (AC) was investigated. The pitch based on petroleum residue was used as a raw material. The AC was prepared using CO<sub>2</sub> or s...
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https://www.riss.kr/link?id=A106540015
2019
-
500
학술저널
283-283(1쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
In this study, the effect of the activation reagent on the pore structure of pitch-based activated carbon (AC) was investigated. The pitch based on petroleum residue was used as a raw material. The AC was prepared using CO<sub>2</sub> or s...
In this study, the effect of the activation reagent on the pore structure of pitch-based activated carbon (AC) was investigated. The pitch based on petroleum residue was used as a raw material. The AC was prepared using CO<sub>2</sub> or steam with N<sub>2</sub> carrier under 900 °C. The activation time was 1 h with steam and varied from 1 to 5 h with carbon dioxide. It is noted that the pitch was oxidized by air before activation process. The pre-oxidation of pitch has a key factor to prepare microporous AC using CO<sub>2</sub> as the activation reagent. It is strongly assumed that the surface chemical structure of carbon material affects the degree of activation due to the weak activation nature of CO<sub>2</sub> activation. Finally highly microporous AC with high specific surface area was obtained from physical activation of pitch.
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