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High-temperature grain drying: an economic analysis applied to Brazilian conditions


Open Access Journal of Science
Pricila Araújo Santana, Daniela de Carvalho Lopes, Antonio José Steidle Neto

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Abstract

Grain  drying  is  one  of  the  most  important  steps  of  postharvest  handling. Among  the artificial drying methods, the high-temperature drying is the fastest, less energy consuming and less dependent on local climate, but also more expensive. A detailed methodology for economic  analysis  of  high-temperature  grain  drying,  involving  the  main  variables  that affect  its  profitability,  is  presented  and  tested. The  proposed  methodology  is  based  on the cash flow model and was tested considering Brazilian market conditions, comprising 42 simulated scenarios. The performed economic analysis can be easily adapted to other grains, countries, furnace fuels, and drying capacities as well. Results showed that all of the simulated scenarios were economically feasible provided that at least five drying cycles are performed per year. Labor, social taxes, grain type and drying capacity most affected the economic feasibility of this kind of investment, while the furnace fuel did not influence the evaluated economic indices.

Keywords

dryer, economic feasibility, modelling, postharvest, storage

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