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Título: Rational basis for designing Horizontal-Flow Anaerobic Immobilized Sludge (HAIS) reactor for wastewater treatment
Autor(es): Zaiat, Marcelo
Vieira, Lorena Grein Tavares
Amorim, Ariuska Karla Barbosa
Nardi, Ivana Ribeiro de
Vela, Francisco José
Foresti, Eugenio
Assunto: Reatores químicos
Cinética
Hidrodinâmica
Resíduos sólidos - tratamento
Data de publicação: Mar-1997
Editora: Brazilian Society of Chemical Engineering
Referência: ZAIAT, M. et al. Rational basis for designing Horizontal-Flow Anaerobic Immobilized Sludge (HAIS) reactor for wastewater treatment. Brazilian Journal of Chemical Engineering, São Paulo, v. 14, n. 1, mar. 1997. Disponível em: <http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66321997000100001&lng=pt&nrm=iso&tlng=en>. Acesso em: 11 jun. 2013. DOI: http://dx.doi.org/10.1590/S0104-66321997000100001.
Resumo: The conception and development on a rational basis of a new configuration of anaerobic fixed-bed bioreactor for wastewater treatment, the horizontal-flow anaerobic immobilized sludge (HAIS) reactor, is presented. Such a reactor containing immobilized sludge in polyurethane foam matrices was first assayed for treating paper industry wastewater. A very short start-up period was observed and the reactor achieved stable operation by the eighth day. Afterwards, fundamental aspects of the process were investigated in order to obtain a rational basis for HAIS reactor design. A sequence of experiments was carried out for evaluating the cell wash-out from polyurethane foam matrices, the liquid-phase mass transfer coefficient and the intrinsic kinetic parameters, besides the hydrodynamic flow pattern of the reactor. The knowledge of such fundamental phenomena is useful for improving the reactor s design and operation. Besides, these fundamental studies are essential to provide parameters for simulation and optimization of processes that make use of immobilized biomass. Keywords: HAIS reactor, mass transfer, kinetic, hydrodynamic, design.
Licença: Brazilian Journal of Chemical Engineering - Todo o conteúdo deste periódico, exceto onde está identificado, está licenciado sob uma Licença Creative Commons (Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)). Fonte: http://www.scielo.br/scielo.php?script=sci_serial&pid=0104-6632&lng=pt&nrm=iso. Acesso em: 11 jun. 2013.
DOI: http://dx.doi.org/10.1590/S0104-66321997000100001
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