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Characteristics of Microwave-Assisted Drying of Plant Cells of Taxus chinensis for Moisture Removal

수분 제거를 위한 식물세포 Taxus chinensis의 마이크로웨이브를 이용한 건조 특성

  • Nam, Hyeon-Woo (Department of Chemical Engineering, Kongju National University) ;
  • Kim, Jin-Hyun (Department of Chemical Engineering, Kongju National University)
  • 남현우 (공주대학교 화학공학부) ;
  • 김진현 (공주대학교 화학공학부)
  • Received : 2020.02.26
  • Accepted : 2020.03.23
  • Published : 2020.04.10

Abstract

In this study, the characteristics and mechanism of microwave-assisted drying were investigated to improve the efficiency of the storage and extraction of biomass through the removal of moisture from plant cell Taxus chinensis. The efficiency of microwave-assisted drying increased with increasing microwave power. When the experimental data were fitted to typical drying kinetic models, the page and modified Page models were the most appropriate. The microwave-assisted drying was determined to be a spontaneous endothermic process, and randomness increased during the drying process. The effective diffusion coefficient (3.445 × 10-9~7.163 × 10-7 ㎡/s) and mass transfer coefficient (3.1529 × 10-5~1.2895 × 10-2 m/s) increased with increasing microwave power. The small Biot number (0.3890~0.7198) indicated that the mass transfer process was externally controlled.

Acknowledgement

Supported by : 한국연구재단

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