Eficiência na remoção de NAT, DBO e DQO utilizando reator aeróbio de leito fluidizado com circulação em tubos concêntricos associado ao decantador de coluna em uma produção intensiva de tilápia
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Data
2016-07-01
Autores
Matsumoto, Tsunao [UNESP]
Enriquez, Yemall Alexander Maigual [UNESP]
Título da Revista
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Resumo
The development of intensive aquaculture is accompanied by an increasing environmental impact produced by the wastewater generated. The recirculating aquaculture systems (RAS) are a compact alternative and manage high stocking densities and lower volumes of water. It was used a column settler (CS) associated with aerobic fluidized bed reactor (BAS-CT) with hydraulic retention time (HRT) of 0.55 and 0.20 h respectively, in RAS with tilapias with average weight of 0.32 kg and storage density of 33.1 kg.m-3 regarding the removal of total ammonia nitrogen (TAN), biochemical oxygen demand (BOD) and chemical oxygen demand (COD). The removal efficiencies of TAN, BOD and COD were 35.2, 48.0 and 64.9%, respectively. The use of CS with the BAS-CT showed a good performance with low HRT in the treatment of this effluent.
Descrição
Palavras-chave
Aerobic fluidized bed reactor, Column settler, Hydraulic retention time, Recirculating aquaculture systems, Wastewater treatment
Como citar
Engenharia Sanitaria e Ambiental, v. 21, n. 3, p. 609-614, 2016.