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- Title
Study on fractal model of activated carbon for pore formation.
- Authors
Wang, Junzhe; Zhou, Anning; Liu, Guoyang; Song, Zongxing; Ma, Chao; Wang, Dan
- Abstract
In view of the activated carbon pore-forming mechanism, the fractal hypothesis of pore interior growth was proposed by optimizing the structure of Sierpinski sponge. Based on the hypothesis and the definition of fractal dimension, the function relationship between the reaction degree, reaction step length, specific surface area and pore volume was deduced, and the pore fractal growth model of activated carbon activation process was established. Semi-coke, apple charcoal and lychee charcoal were used to prepare activated carbon. The pore size distributions of the activated carbons are in accordance with the fractal growth hypothesis. Further, the reaction degree and reaction step length can be determined by the experimental data of pore and surface structure, which verified the feasibility of the pore fractal growth model.
- Publication
Carbon Letters, 2022, Vol 32, Issue 3, p863
- ISSN
1976-4251
- Publication type
Article
- DOI
10.1007/s42823-022-00324-y