نتایج جستجو برای: microwave dryer

تعداد نتایج: 53153  

Journal: :Journal of Agricultural Science and Technology 2023

Today the use of pretreatment operations to reduce time, energy and cost of drying of agricultural products and foodstuffs are taken into consideration. In this study the Rosemary herb dried by using the microwave pre-treatment at three treatments (90 W for 5 min, 180 W for 2.5 min and 360 W for 1.5 min) and control treatment (without pre-treatment) in a hot air dryer at temperatures of 40, 50 ...

Journal: :Advance Journal of Food Science and Technology 2014

2014

Head rice yield (HRY) and eating qualities can be improved by accelerated newly harvest paddy rice aging. In this study, microwave heating of continuous microwave dryer was applied to heat the newly harvested paddy rice. The microwave power level (MWL), exposure times (ET), and heating rounds (HR) on accelerated rice aging properties such as head rice yield and pasting properties, water uptake,...

Journal: :journal of agricultural science and technology 2015
f. sharifian a. mohammad nikbakht a. arefi a. modarres motlagh

energy and mass transfer investigations in thermal processing of fruits serve as a breakthrough in the design and scale up of drying systems. diffusivity characteristics and specific energy consumption for drying of fig fruit in a laboratory scale microwave dryer were assessed. several intervals for microwave power intensity including 0.5, 1, 1.5, 2, and 2.5 w g-1, and 6 levels of power on-off ...

2005
CARTER D. CLARY SHAOJIN WANG

Microwave vacuum drying has been investigated as promising potential for high-quality dried fruits. In this study, a batch microwave vacuum dryer was used to understand the effect of levels of microwave power on the drying characteristics and moisture content of grapes. Thompson seedless grapes were treated 1st for 30, 60, and 90 min at fixed levels of 500, 750, 1000, 1250, and 1500 W at a redu...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
(pages 108-122) r. dehbooreh m. esmaiili

in this study, the possibility of microwave finish drying for two types of dried grapes (natural and sultana) was investigated. the samples were washed in water bath at given temperature ranges (25 and 45 c) for 30 to 60 minutes. after dewatering the samples, they were dried using microwave (at two powers: 270 and 450 w) and hot air convective dryer (at 50 c). water gain (%), effective moistu...

Journal: :Misr Journal of Agricultural Engineering 2012

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