Abstract
One of drying method applied in flour milling industry is pneumatic drying. Various kinds of variable both dried materials and drying process condition strongly influence the quality of drying result. Fineness Modulus (FM) and Water Rate are significant variables in defining the flour quality. The aim of this study is to identify the influence of dryer air temperature on FM and Moisture Content in pneumatic dryer process condition. Both variables have sufficiently big coefficient of determination value; therefore, it can be employed to predict well the fineness modulus and water rate of the flour.
Highlights
The increasing demand of wheat flour over years, it is expectedly substituted with kinds of flour made of local crops such as corn, cassava, and sweet potato
One of drying method applied in flour milling industry is pneumatic drying
The influence of dryer air temperature on Fineness Modulus (FM) can be seen on Fig. 3
Summary
The increasing demand of wheat flour over years, it is expectedly substituted with kinds of flour made of local crops such as corn, cassava, and sweet potato. Flour processing technology from local crops is very limited; it needs different scientific information to improve flour processing. One crucial process in flour production is drying process. One of drying method applied in flour milling industry is pneumatic drying. Pneumatic drying is more suitable used as fast dryer to dispose water rate on material surface, because this needs short drying time (Bunyawanichakul e.t.c., 2007) [1]. Heat flow (convection) between gas and particles is very high resulting very short drying heat time (Mujamdar, 1987) [3].Various kinds of variable both dried materials and drying process condition strongly influence the quality of drying result
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