2019
DOI: 10.1590/s1413-41522019124926
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Efeito da variação da carga orgânica volumétrica natural na produção de biogás a partir de dejeto suíno em diferentes tempos de retenção hidráulica

Abstract: Eng Sanit Ambient | v.24 n.3 | maio/jun 2019 | 613-617 RESUMO O estudo sobre reatores anaeróbios em laboratório prioriza o controle de determinados parâmetros que são de difícil controle em campo, o que dificulta o processo de scale-up. Entre os parâmetros está a carga orgânica volumétrica (COV). No caso do dejeto suíno, esse parâmetro pode sofrer alterações diárias em função das condições climáticas, das mudanças no manejo, da alimentação dos animais, entre outros. A fim de verificar o impacto dessa variação … Show more

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“…According to ORRICO JÚNIOR et al (2010), the isolated digestion of swine manure, fed by diets varying energetic concentrate between corn and sorghum, can result in production of up to 130 liters of biogas per kilogram of manure added with a hydraulic retention time of 90 days. However, it is known that biogas yields depend on factors acting in isolation or together, such as the animal production phase, which influence the quantities of manure generated (PINTO et al 2014); the diet composition, which will modify the constitution of waste and, especially its organic load (D´AQUINO et al 2019). These factors will result in an increase or reduction of hydraulic retention time (HRT) required for efficient waste digestion (KINYUA et al 2014).…”
Section: Introductionmentioning
confidence: 99%
“…According to ORRICO JÚNIOR et al (2010), the isolated digestion of swine manure, fed by diets varying energetic concentrate between corn and sorghum, can result in production of up to 130 liters of biogas per kilogram of manure added with a hydraulic retention time of 90 days. However, it is known that biogas yields depend on factors acting in isolation or together, such as the animal production phase, which influence the quantities of manure generated (PINTO et al 2014); the diet composition, which will modify the constitution of waste and, especially its organic load (D´AQUINO et al 2019). These factors will result in an increase or reduction of hydraulic retention time (HRT) required for efficient waste digestion (KINYUA et al 2014).…”
Section: Introductionmentioning
confidence: 99%