Development of energy efficient drying regime of starch-containing raw material

Authors

DOI:

https://doi.org/10.15587/2313-8416.2018.141156

Keywords:

sweet potato roots, heat and moisture treatment, step drying, chips, food powder, energy-efficient regimes

Abstract

The article gives the classification of plant materials, focuses on starch-containing raw materials, in particular, sweet potato roots, chemical composition, existing drying methods. The results of studies of heat-water treatment and the process of convective dehydration of root crops are presented. Energy-efficient two-stage drying modes have been developed, in which the coolant temperature in the first stage of the process is 80 ... 100 °С, in the second – 55 ... 70 °С, the material temperature during dewatering 50 ... 60 °С. reduction of drying time, reduction of heat losses to 15 %, production of dried products with high organoleptic characteristics

Author Biographies

Raisa Shapar, Institute of Technical Thermophysics of National Academy of Sciences of Ukraine Bulakhovskogo str, 2, Kyiv, Ukraine, 03164

PhD, Senior Researcher, Leading Researcher

Department of Mass Transfer in Heat Technologies

Olena Husarova, Institute of Technical Thermophysics of National Academy of Sciences of Ukraine Bulakhovskogo str, 2, Kyiv, Ukraine, 03164

Researcher

Department of Mass Transfer in Heat Technologies

References

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Published

2018-08-27

Issue

Section

Technical Sciences