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SWINE EFFLUENT TREATMENT USING ANAEROBIC DIGESTION AT DIFERENT LOADING RATES

SWINE EFFLUENT TREATMENT USING ANAEROBIC DIGESTION AT DIFERENT LOADING RATES

BIBLIOTECA - Trabalhos Acadêmicos
  • 3 horas de carga horária
  • 1 aula
  • 1 módulo de conteúdo
  • Última atualização 29/06/2023
  • 1 arquivo para download

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TÍTULO

SWINE EFFLUENT TREATMENT USING ANAEROBIC DIGESTION AT DIFERENT LOADING RATES


DOCUMENTO - ARTÍGO CIENTÍFICO


AUTORES - ANDRÉ C. DO AMARAL; AIRTON KUNZ; RICARDO L. R. STEINMETZ; FÁBIO CANTELLI; LUCAS A. SCUSSIATO; KARIN C. JUSTI


RESUMO/ABSTRACT

The industrial swine production is characterized by generation of significant effluent amounts that require treatment. The most adopted practices by Brazilian swine farmers have been wastewater storage in lagoons and its subsequent use as a biofertilizer. Nutrient accumulation in soil and water creates the need for an effective management of these residues. The anaerobic digestion process is an important alternative and low-cost treatment for organic matter reduction. However, its efficiency is limited by the digester capacity of solid degradation, especially at low hydraulic retention times. Thus, the present study aimed to verify the behavior of an upflow anaerobic digester by increasing the organic loading rate. This was accomplished in three stages using, as a parameter, volatile solids at 0.5; 1.0 and 1.5 kgVS m-3 d-1 , respectively. This digester model proved to be quite robust and effective in swine manure treatment, achieving high efficiency of volatile solid removal at all stages of the study (stage 1: 61.38%; stage 2: 55.18%; and stage 3: 43.18%). Biogas production was directly related to the increasing organic load, reaching 0.14, 0.85, and 0.86 Nm3 kgVS-1 add., respectively, with no significant difference (p<0.05) of biogas methane concentration among the studied stages (73.7, 75.0, and 77.9%).

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Profissionais, estudantes e interessados na cadeia do biogás e, atuantes nas diversas áreas, etapas de projetos ou operação na produção de biogás.

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  • SWINE EFFLUENT TREATMENT USING ANAEROBIC DIGESTION AT DIFERENT LOADING RATES

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SWINE EFFLUENT TREATMENT USING ANAEROBIC DIGESTION AT DIFERENT LOADING RATES

  • 3 horas de carga horária
  • 1 aula
  • 1 módulo de conteúdo
  • Última atualização 29/06/2023
  • 1 arquivo para download

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