An Integrated Approach to Harvest and Storage of Sweet Sorghum at Farm Scale

作者: Walter Zegada-Lizarazu , Andrea Monti

DOI: 10.1007/S12155-014-9533-6

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摘要: A major constrain for sweet sorghum (Sorghum bicolor L. Moench) establishment as a reliable biofuel feedstock is the fast biomass degradation immediately after harvest due high content of soluble sugars and their rapid fermentation that considerably decrease actual ethanol yield. Such drawback does not allow storing reasonable period forcing industry to process it with consequent problems handling, logistic, plant size. Therefore, an appropriate harvesting storage technique prevent juice urgently needed ensure economic benefits farmers. An efficient cost-effective way overcome this obstacle could be on-farm system undistilled from juice, while remaining bagasse ensiled exploited complementary energy generation. The objective study was evaluate different methods techniques aiming low cost processing systems store biomass. Harvesting in hard dough stage defoliating plants before extraction resulted higher use commercially available fructophilic yeasts allows maximizing yield about 1 year without spoilage. residual inoculated Lactobacillus bacteria commonly used forage conservation which significantly improved its quality biogas fermenters. In conclusion, integration low-cost valorization by-products are worthwhile management strategies further developed.

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