Study on Model and Energy Consumption of Hot-air Drying of Tilapia Fillets

Abstract

Abstract: Thin layer hot-air drying of fresh tilapia fillets at different temperatures was investigated. Meanwhile the suitable mathematical model which can be used to describe the relationship of moisture ratio and drying time was established in this paper. The proof test results showed that the model was good due to the predicted values consistent with the observed values. In addition, the characteristics of energy consumption of the thin layer hot-air drying of tilapia fillets were also researched. It wasfound that the minimum and maximum moisture removal quantity per energy consumption was 423.4 g per kilowatt and 1147.7 g per kilowatt, respectively. The fewer quantities of fillets during drying were, the higher moisture removal quantity per energy consumption was.

Key words: tilapia, hot-air drying, mathematic model, energy consumption

DUAN Zhen-Hua, FENG Ai-Guo, XIANG Dong, WANG Zhi-Guo. Study on Model and Energy Consumption of Hot-air Drying of Tilapia Fillets[J]. FOOD SCIENCE, 2007, 28(7): 201-205.

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Study on Model and Energy Consumption of Hot-air Drying of Tilapia Fillets

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