The Adsorption-Desorption Hysteresis Effect on Pistachio Nuts
Publish Year: 1386
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JASTMO-9-4_001
تاریخ نمایه سازی: 23 آبان 1402
Abstract:
The equilibrium moisture content is an important parameter for several post-harvesting operations for pistachio nuts, such as drying processes and storage. In this re-search the adsorption and desorption equilibrium moisture content were determined for two major varieties of Iranian pistachios at ۱۱ to ۸۵ percent relative humidities and a con-stant temperature of ۵۰°C. A significant hysteresis effect between the adsorption and de-sorption processes was observed statistically. For predicting the adsorption and desorp-tion EMC, the Halsey model was found the most proper equation for adsorption processes for two varieties (Ohadi and Kalehghochi), whereas the Oswin and Smith models were most appropriate for Ohadi and Kalehghochi for desorption processes, respectively, at constant a temperature of ۵۰°C.
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Authors
A. A. Zomorodian
Department of Agricultural Engineering, Shiraz University, Shiraz, Islamic Republic of Iran.
R. A. Tavakoli
Department of Agricultural Engineering, Shiraz University, Shiraz, Islamic Republic of Iran.