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- Title
Drying performance and energy consumption of Camelliaoleifera seeds under microwave-vacuum drying.
- Authors
Zhang, Dongyan; Huang, Dan; Zhang, Xiyang; Zhao, Hangyi; Gong, Guiliang; Tang, Xiaohong; Li, Lijun
- Abstract
Microwave-vacuum drying performance and energy consumption of Camelliaoleifera seeds were studied in this paper. The effects of microwave power, vacuum pressure and loading quantity were evaluated and discussed. Orthogonal experiments were also conducted to optimize the drying process. A new drying model based on the weibull distribution model was developed. Results showed that the microwave-vacuum drying process was dominated by internal water diffusion and surface water evaporation. As the microwave power and vacuum pressure increased and the loading quantity decreased, the drying time and energy consumption both decreased. However, too low or too high microwave power would increase the energy consumption. The optimal microwave-vacuum drying conditions were found to be a loading quantity of 150 g, a microwave power of 350 W and a vacuum pressure of 0.09 MPa. The developed drying model and the calculated scale and shape parameter were all consistent with experimental results.
- Publication
Food Science & Biotechnology, 2023, Vol 32, Issue 7, p969
- ISSN
1226-7708
- Publication type
Article
- DOI
10.1007/s10068-022-01239-0