Chairunnisa, K. Thu, T. Miyazaki, K. Nakabayashi, J. Miyawaki, A.T. Wij Ayanta, F. Rahmawati
The green preparation of microporous activated carbon using acorn nutshell with different production conditions was studied. The heating rate and nitrogen flow rate were controlled during preparation. The effect of those conditions on the surface properties and water adsorption performance was observed. According to the results, the total surface area of acorn nutshells-based activated carbon can reach up to 993 m2/g with 90% microporosity and a total pore volume of 0.49 cm3/g. The water adsorption uptake under P/P0 = 0.9 of prepared material is up to 0.39 g/g. This study found that acorn nutshell shows potential performance as a precursor for producing highly microporous activated carbon, which might be suitable for water vapor adsorption. © 2021, Novel Carbon Resource Sciences. All rights reserved.
Department of Energy and Environmental Engineering, IGSES, Kyushu University, Japan; International Institute for Carbon-Neutral Energy Research, Kyushu University, Japan; Advanced Device Materials, Institute for Material Chemistry and Engineering, Kyushu University, Japan; Department of Science, Sumatera Institute of Technology, Lampung, 35365, Indonesia; Department of Mechanical Engineering, Universitas Sebelas Maret, Jawa Tengah, 57126, Indonesia; Department of Chemistry, Universitas Sebelas Maret, Jawa Tengah, 57126, Indonesia
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