J. Echevarria, J. A. R. León, M. E. Espinosa, G. Delgado
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Optimization of solid state fermentation of sugar cane by aspergillus niger considering particles size effect
The protein enrichment of sugar cane by solid state fermentation employing Aspergillus niger was optimized in a packed bed column using a two Factor Central Composit Design α = 2, considering as independent factors the particles diameter corresponding to different times of grinding for a sample and the air flow rate. It was significative for the air flow rate (optimum 4.34 VKgM) and the particle diameter (optimum 0.136 cm). The average particle size distribution, shape factor, specific surface, volume-surface mean diameter, number of particles, real and apparent density and hollowness for the different times of grinding were determined, in order to characterize the samples.
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