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Valorisation of agri- and aquaculture residues via biogas production for enhanced industrial application
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Orientador(es)
Resumo(s)
ABSTRACT: Climate changes are nowadays reality and affect all aspects of everyday life. One of the places where these changes influence the society the most is the Brazilian Ceara region and Jaguaribara basin that suffer long-lasting, devastating drought cycles. They have a dramatic negative impact on local economy, forcing change in business models. This work presents the valorisation of wastes and residues from local fish, prawns, and the vegetable-cultivation industry via biogas production forced to adapt to these new circumstances. Along a single year, as much as 189.74 tonnes of wastes and residues can be processed by the biogas production facility, producing as much as 94 GJ of cooling energy and 1 tonne of biofertiliser monthly. Even for such a small biogas production facility, the NPV is positive already after 11 years; its IRR is 6.2%, and accumulated ROI for 20 years of operation is as high as 77.8%. This work demonstrates that a valorisation of industrial wastes and residues via biogas production is a feasible solution for a specific industrial scenario addressing new socio-economic challenges for the particular enterprise.
Descrição
Palavras-chave
Energy Biogas Anaerobic digestion Residues Waste valorization
Contexto Educativo
Citação
Ximenes, Júlio... [et.al.] - Valorisation of agri- and aquaculture residues via biogas production for enhanced industrial application. In: Energies, 2021, Vol. 14 (9), article nº 2519
Editora
MDPI