Chairunnisa Zainuri Chairunnisa, Frantisek Miksik, Takahiko Miyazaki, Kyaw Thu, Jin Miyawaki, Koji Nakabayashi, Agung Tri Wijayanta, Fitria Rahmawati
Indoor air humidity plays a vital role in determining occupants’ health and industrial product quality. Removing excess humidity by adsorption dehumidification is still facing a challenge in finding a suitable material with high adsorption capacity and low regeneration temperature. In this study, the theoretical dehumidification capacity of prepared acorn nutshell-based activated carbons was calculated and compared with silica gel type RD and RD-2060. The calculation was based on the outdoor air condition in two Asian capital cities: Jakarta and Tokyo. The theoretical study found that prepared activated carbon has better dehumidification performance under Jakarta conditions using regeneration temperatures of less than 60°C. Under Tokyo conditions, activated carbon shows auspicious performance during the summer season. Compared with silica gels, acorn nutshell-based activated carbon has a better dehumidification capacity to process high humidity ambient air with a lower regeneration temperature. © 2021
Department of Energy and Environmental Engineering, IGSES, Kyushu University, 6-1, Kasuga-koen, kasuga, 816-8580, Fukuoka, Japan; International Institute for Carbon-Neutral Energy Research, Kyushu University, 744, Motooka, Nishi Ward, 819-0385, Fukuoka, Japan; Institute for Materials Chemistry and Engineering, Kyushu University, 6-1, Kasuga-koen, kasuga, 816-8580, Fukuoka, Japan; Department of Mechanical Engineering, Universitas Sebelas Maret, Jawa Tengah, 57126, Indonesia; Department of Chemistry, Universitas Sebelas Maret, Jawa Tengah, 57126, Indonesia; Department of Science, Sumatera Institute of Technology, 35365, Lampung, Indonesia
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