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Technological and sustainable strategies for reducing losses and maintaining the quality of soybean grains in real production scale storage units
Journal of Stored Products Research ( IF 2.7 ) Pub Date : 2020-05-01 , DOI: 10.1016/j.jspr.2020.101624
Paulo Carteri Coradi , Marília Boff de Oliveira , Letícia de Oliveira Carneiro , Guilherme Abreu Coelho de Souza , Moacir Cardoso Elias , Auri Brackmann , Paulo Eduardo Teodoro

Abstract Soybean is the oilseed most cultivated worldwide and is in full production expansion in Brazil. However, the logistics and grain quality in post-harvest stages is increasingly concerning. The objective of this work was to evaluate different sustainable strategies of managing the mass of soybean grains in function of water content, optimizing the combined drying and storage operations to improve grain flow and quality in real production scale storage units. The experimental were consisted in two step, first: moisture soybean (SUL) (17%), dry soybean from the RR crop (SSLRR) (14%), dry soybean from the RR2 crop (SSLRR2) (14%), soybean dried in a continuous dryer (SSS1) (12%), in silo-dryer (SSS2) (14%), and in intermittent dryer (SSS3) (14%), moisture soybean (SUL) submitted to aeration drying (Silo 1), to partial drying (SSS1, SSS2, SSS3), and supplemented with aeration drying (Silo 2), dry soybean from the RR2 crop (SSLRR2) and stored in aeration (Silo 3), dry soybean from the RR crop (SSLRR) and stored in aeration (Silo 4), and second step: the lots of soybean (RR and RR2) was submitted the drying at low air temperatures of 35, 45, and 55 °C until the grains reached water content of 12% for cold storage at 10 and 20 °C, over two months. It was determined the physical and physical-chemical quality of soybean grains before and after drying and during the time in storage. The best option of preprocessing and storage strategy to obtain soybean flow and quality in high-capacity storage and handling unit was the combined drying (SSS1, SSS2, SSS3) and dry-aeration storage systems. The soybean grains harvested at high water contents submitted to drying at low temperatures and stored under artificially refrigerated conditions presented better grain quality over storage time but increased the operational drying time, hindering the flow of grain mass.

中文翻译:

在实际生产规模存储单元中减少损失和保持大豆谷物质量的技术和可持续策略

摘要 大豆是世界上种植最多的油籽,巴西正在全面扩大生产。然而,收获后阶段的物流和粮食质量越来越受到关注。这项工作的目的是评估不同的可持续策略,即根据含水量管理大豆颗粒质量、优化干燥和储存组合操作以改善实际生产规模储存单元中的谷物流量和质量。实验由两步组成,首先:水分大豆 (SUL) (17%)、来自 RR 作物的干大豆 (SSLRR) (14%)、来自 RR2 作物的干大豆 (SSLRR2) (14%)、干大豆在连续干燥机 (SSS1) (12%)、筒仓干燥机 (SSS2) (14%) 和间歇干燥机 (SSS3) (14%) 中,水分大豆 (SUL) 进行曝气干燥(筒仓 1),到部分干燥(SSS1、SSS2、SSS3),并辅以曝气干燥(筒仓 2)、来自 RR2 作物的干大豆(SSLRR2)并在曝气中储存(筒仓 3)、来自 RR 作物的干大豆(SSLRR)并在曝气中储存(筒仓 4),以及第二步:大豆(RR 和 RR2)批次在 35、45 和 55 °C 的低空气温度下进行干燥,直到谷物达到 12% 的含水量,以便在 10 °C 和 20 °C 下冷藏,历时两个月。测定了大豆籽粒干燥前后及贮藏期间的理化品质。在大容量存储和处理单元中获得大豆流量和质量的预处理和存储策略的最佳选择是组合干燥(SSS1、SSS2、SSS3)和干燥曝气存储系统。
更新日期:2020-05-01
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