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논문 기본 정보

자료유형
동향자료
저자정보
Kim, Daeyeon (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) Cheon, Jinsil (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) Kim, Jeonghoon (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) Hwang, Daekyun (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) Hong, Ikpyo (Carbon Materials Research Group, New Materials and Component Research Center, Research Institute of Industrial Science and Technology) Kwon, Oh Hyeong (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) Park, Won Ho (Department of Organic Materials Engineering, Chungnam National University) Cho, Donghwan (Department of Polymer Science and Engineering, Kumoh National Institute of Technology)
저널정보
한국탄소학회 Carbon letters Carbon letters 제22권
발행연도
2017.1
수록면
81 - 88 (8page)

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In the present study, biomass-based lignin was extracted from industrial waste black liquor and the extracted lignin was characterized by means of attenuated total reflectance-Fourier transform infrared spectroscopy and $^1H-nuclear$ magnetic resonance spectroscopy. The extracted lignin was carbonized at different temperatures and then activated with steam at $850^{\circ}C$. The extracted lignin in powder state was transformed into a bulky carbonized lignin due to possible fusion between the lignin particles occurring upon carbonization. The carbonized and then pulverized lignin exhibits brittle surfaces, the increased thermal stability, and the carbon assay with increasing the carbonization temperature. The scanning electron microscopic images and the Brunauer-Emmett-Teller result indicate that the steam-activated carbon has the specific surface area of $1718m^2/g$, which is markedly greater than the carbonized lignin. This study reveals that biomass-based activated carbon with highly porous structure can be produced from costless black liquor via steam-activation process.

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