Theoretical dehumidification capacity of acorn nutshell-based activated carbon under two Asian urban cities’ ambient air condition

Chairunnisa Zainuri Chairunnisa, Frantisek Miksik, Takahiko Miyazaki, Kyaw Thu, Jin Miyawaki, Koji Nakabayashi, Agung Tri Wijayanta, Fitria Rahmawati

Research output: Contribution to journalArticlepeer-review

Abstract

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.

Original languageEnglish
Pages (from-to)137-145
Number of pages9
JournalInternational Journal of Refrigeration
Volume131
DOIs
Publication statusPublished - Nov 2021

All Science Journal Classification (ASJC) codes

  • Building and Construction
  • Mechanical Engineering

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