INTEGRATED APPROACH TO SUSTAIN BIOGAS PRODUCTION IN ANAEROBIC DIGESTION OG CHICKEN MANURE UNDER RECHYCLED UTIL

INTEGRATED APPROACH TO SUSTAIN BIOGAS PRODUCTION IN ANAEROBIC DIGESTION OG CHICKEN MANURE UNDER RECHYCLED UTIL

  • 03 Horas de duração
  • 1 Aulas
  • 1 Módulos
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TÍTULO

INTEGRATED APPROACH TO SUSTAIN BIOGAS PRODUCTION IN ANAEROBIC DIGESTION OG CHICKEN MANURE UNDER RECHYCLED UTILIZATION OF LIQUID DIGESTATE: DYNAMICS OF AMMONIUM ACCUMULATION AND MITIGATION CONTROL


DOCUMENTO - ARTIGO CIENTÍFICO 


AUTORES - SHUBIAO WU, PING NI, JILAXI LI, HAO SUN, YANFEI WANG, HONGZHEN LUO, JACEK DACH, RENJIE DONG


RESUMO/ABSTRACT

The dynamics of ammonium accumulation and mitigation control in anaerobic digestion of chicken manure under the recycled utilization of liquid digested slurry were investigated by using an integrated approach in two laboratory-scale semi-continuously stirred tank reactors. In the reactor with direct recycled utilization of the anaerobic digested liquid slurry, total volatilized fatty acids (in CH3COOH) and NH4 + -N increased from 1600 mg/L to 8000 mg/L and from 2600 mg/L to 5000 mg/L, respectively. The daily volumetric biogas production decreased from 1.4 ± 0.1 L/(Ld) to 0.8 ± 0.1 L/(Ld) with a reduction efficiency of 43 ± 4%. Air stripping was integrated for ammonium mitigation of recycled liquid digested slurry and was shown to effectively reduce the ammonium to 3000 mg/L. Correspondingly, the biogas production was recovered back to 1.4 ± 0.1 L/(Ld). This indicated the potential of the integration of air stripping for ammonium mitigation in an anaerobic digestion process with liquid digested slurry recirculation.

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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.

Transferência de Conhecimento
"Curso com abordagem objetiva e completa, de fácil compreensão e com aplicabilidade real dos assuntos apresentados. "

           

Conteúdo Programático

  • 1. INTEGRATED APPROACH TO SUSTAIN BIOGAS PRODUCTION IN ANAEROBIC DIGESTION OG CHICKEN MANURE UNDER RECHYCLED UTILIZATION OF LIQUID DIGESTATE: DYNAMICS OF AMMONIUM ACCUMULATION AND MITIGATION CONTROL
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