Integrated Production of Organomineral Biofertiliser (BIOFOM®) Using By-products from the Sugar and Ethanol Agro-industry, Associated with the Cogeneration of Energy

  • Olivério J
  • Boscariol F
  • Mantelatto P
 et al. 
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Brazilian bioethanol and sugar production generates large amounts of vinasse, filter cake and boiler ashes (originated from biomass combustion). On the other hand, the distribution of these by-products in the field is usually inadequate, considering the environmental aspects and the best use of nutrients and organic material present in these by-products. This work presents a study for repro- cessing of these by-products into a solid and granular or- ganomineral biofertiliser developed by Dedini S/A Ind. Base (BIOFOM), which can be formulated according to the soil and sugarcane specific needs. This article shows the process of an integrated BIOFOM, ethanol and electricity from biomass production system for an industrial unit of large capacity. The results of BIOFOM preliminary agro- nomic greenhouse tests and analysis of process profitability are also shown. These results indicate an excellent internal rate of return (IRR) and attractive payback time as well, resulting from surplus power sales, reduction of chemical fertiliser and fuel consumption, reduction of by-products distribution infrastructure, and decrease (elimination) of the mill’s water withdrawal. Moreover, BIOFOM gave a good agronomic performance in greenhouse experiments, and it will provide an appropriate reuse of the by-products, in accordance with green technologies (environmentally sustainable technologies). Therefore, the studies show that BIOFOM will lead to the existence of a more profitable and sustainable agro-industry that adopts rational and friendly practices for the environment.

Author-supplied keywords

  • Bio-industry
  • Cogeneration
  • Energy
  • Ethanol
  • Organomineral biofertiliser
  • Sugar
  • Vinasse

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  • J. Luiz Olivério

  • Fernando C. Boscariol

  • Paulo E. Mantelatto

  • Antônio Rogério P César

  • João Rafael Perroni Ciambelli

  • Marcílio N do Amaral Gurgel

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