Energy-Qualitative and Sustainable Impacts on Differents Soy Grain Drying Technologies

Paulo Carteri Coradi, Paulo Vinícius Silva Daí, Marília Boff de Oliveira, Letícia de Oliveira Carneiro, Jonatas Ibagé Steinhaus, Guilherme Abreu Coelho, Amanda Müller, Lanes Beatriz Acosta Jaques, Sabrina Dalla Corte Bellochio, Éverton Lutz, Vanessa Maldaner, Marcela Trojahn Nunes, Claudir Lari Padia, Arthur Pozzobon Dutra and Newiton da Silva Timm

Journal of Agricultural Science, 2024, vol. 12, issue 6, 109

Abstract: The objective of this current paper is to evaluate, in real production scale, the management of soybean batches in the storage unit of harvested grains that are submitted to drying processes with different technologies, such an evaluation can contribute to minimizing energy and qualitative losses, and to ensuring the grain quality and sustainability of the postharvest system. The experiment was realized in full-scale production and the treatments utilized were lots moist soybean crop (SUL), RR dry soybean (SSLRR), RR2 dry soybean (SSLRR2), dried soybean in continuous dryer (SSS1) (11.0%), dried soybean silo-dryer (SSS2) (12.5%), dried soybean in silo aerator (SSS3) (14.0%). Energy losses and grain quality as a function of drying management ranged from 2.5 to 16.4% in energy, from 0.23 to 3.26% in crude protein and 0.15 to 3.05% in oil—the maximum yield of wet soybeans harvested from the crop (SUL) at 17% (w.b.). Considering the annual Brazilian soybean production, energy losses reach up to 162,282.50 m³ of firewood, approximately 2,116,963,470 kg of crude protein and 810,616,800 liters of crude oil. This would ensure lower losses and higher grain quality, including better yield of protein and crude oil, specifically reducing energy impacts by increasing the efficiency of the drying system. The current study concluded that the SSS1 drying system reduces energy-environmental impacts by 80.23%, reduces crude protein losses by 94.73%, and crude oil by 95.08%.

Date: 2024
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