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The influence of immobilized biomass and particle size on the fluid dynamics of an anaerobic fluidized bed reactor

Freire, Flavio Bentes; Pires, Eduardo Cleto; Freire, Jose Teixeira Universidade De São Paulo

ACTA SCIENTIARUM-TECHNOLOGY, v.30, n.1, p.73-81, 2008

UNIV ESTADUAL MARINGA, PRO-REITORIA PESQUISA POS-GRADUACAO 2008

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  • Título:
    The influence of immobilized biomass and particle size on the fluid dynamics of an anaerobic fluidized bed reactor
  • Autor: Freire, Flavio Bentes; Pires, Eduardo Cleto; Freire, Jose Teixeira
  • Universidade De São Paulo
  • Assuntos: Anaerobic Fluidized Bed Reactor; Fluid Dynamic; Biomass Immobilized On Activated Carbon; Minimum Fluidization; Gac Reactor; Velocity; Pcp; Multidisciplinary Sciences
  • É parte de: ACTA SCIENTIARUM-TECHNOLOGY, v.30, n.1, p.73-81, 2008
  • Descrição: Fluid dynamic analysis is an important branch of several chemical engineering related areas, such as drying processes and chemical reactors. However, aspects concerning fluid dynamics in wastewater treatment bioreactors still require further investigation, as they highly influence process efficiency. Therefore, it is essential to evaluate the influence of biofilm on the reactor fluid dynamic behavior, through the analysis of a few important parameters, such as minimum fluidization velocity, bed expansion and porosity, and particle terminal velocity. The main objective of the present work was to investigate the fluid dynamics of an anaerobic fluidized bed reactor, having activated carbon particles as support media for biomass immobilization. Reactor performance was tested using synthetic residual water, which was prepared using the solution employed in BOD determination. The results showed that the presence of immobilized biomass increased particle density and altered the main fluid dynamic parameters investigated.
  • Títulos relacionados: Acta Scientiarum-technology
  • Editor: UNIV ESTADUAL MARINGA, PRO-REITORIA PESQUISA POS-GRADUACAO
  • Data de publicação: 2008
  • Idioma: Português

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