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Performance of different biofilters in a recirculating system for rainbow trout farming / Desempeño de diferentes biofiltros en un sistema de recirculación para cultivo de trucha arcoiris
Sánchez-O, Iván; Revelo-R, Dolly; Burbano-M, Álvaro; García-C, Roberto; Guerrero-R, Camilo; Beltrán-T, Diana; Benavides-M, Luis.
Afiliação
  • Sánchez-O, Iván; Universidad of Nariño. Faculty of Fisheries Sciences. Department of Water Resources. San Juan de Pasto. CO
  • Revelo-R, Dolly; Universidad of Nariño. Faculty of Fisheries Sciences. Department of Water Resources. San Juan de Pasto. CO
  • Burbano-M, Álvaro; Universidad of Nariño. Faculty of Fisheries Sciences. Department of Water Resources. San Juan de Pasto. CO
  • García-C, Roberto; Universidad of Nariño. Faculty of Fisheries Sciences. Department of Water Resources. San Juan de Pasto. CO
  • Guerrero-R, Camilo; Universidad of Nariño. Faculty of Fisheries Sciences. Department of Water Resources. San Juan de Pasto. CO
  • Beltrán-T, Diana; Universidad of Nariño. Faculty of Fisheries Sciences. Department of Water Resources. San Juan de Pasto. CO
  • Benavides-M, Luis; Universidad of Nariño. Faculty of Fisheries Sciences. Department of Water Resources. San Juan de Pasto. CO
Rev. MVZ Córdoba ; 21(2): 5426-5440, May-Aug. 2016. tab, graf
Artigo em Inglês, Espanhol | LILACS, COLNAL | ID: biblio-829658
Biblioteca responsável: CO332
ABSTRACT
ABSTRACT Objective. To evaluate the performance of different biofilters in a recirculating aquaculture system (RAS) for trout farming. Materials and methods. It was used a 1m3 plastic tank for fries farming; fabric bags to solids retention; a submersible pump; a constant water level and flow distribution box; six up flow biofilters in 3" PVC tube; sand of D10=0.45mm as carrier. The reactors were operated at local temperature and with hydraulic retention time (HRT) of 11 min, the biofilters were inoculated in the next way R1-Control RAS water; R2-Fish culture farm sludges; R3- Water from aerated lagoon of Antanas landfill (AL); R4-Aquarium sediments; R5- Aerated lagoon of AL sludges; R6-Sludges from sulfidogenic reactor of AL. The weight gain (WG) and the food conversion (FC) were evaluated, some physic-chemical parameters were monitored and the nitrogen and suspended solids removal efficiency were evaluated. Results. The WG of the cultured animals was 1.58 g/d and the FC was 1.41. There were no differences for ammonium and nitrite removal between the reactors; the average removal efficiencies were ammonium 4.78%, nitrite 27.2%, nitrate 32.3%, suspended solids 37.5%; R4 and R5 reactors presented the best performance on nitrate removal, with average efficiencies of 47.4% and 42.8%. R3 presented the best SS removal with an average of 58.2%. Conclusions. The RAS water treatment system guaranteed appropriated liquid quality conditions for trout farming; the most efficient reactor for removal of the different forms of nitrogen was the inoculated with the aerated lagoon of AL sludges.
RESUMEN
RESUMEN Objetivo. Evaluar el desempeño de diferentes biofiltros en un sistema de recirculación (SRA) para cultivo de trucha arcoiris. Materiales y métodos. Se utilizó un tanque de 1m3 para cultivo de alevines, bolsas de lienzo para retención de sólidos, bomba sumergible, caja de nivel constante y distribución de flujo, seis biofiltros en tubo de PVC de 3", arena con D10=0.45mm como medio soporte. Los biofiltros se operaron a temperatura ambiente y con tiempo de retención hidráulica (TRH) de 11 min, se inocularon así R1-Control Aguas del SRA; R2-Lodos estación piscícola; R3-Agua Laguna aireada relleno sanitario Antanas (RSA); R4-Sedimentos acuarios; R5-Lodos laguna aireada RSA; R6-Lodos reactor sulfidogénico RSA. Se evaluó la ganancia de peso (GP) y la conversión alimenticia (CA), se monitorearon parámetros físico-químicos y se evaluó la eficiencia de remoción de nitrógeno y sólidos suspendidos. Resultados. La GP de los animales fue de 1.58 g/d y la CA de 1.41. No hubo diferencias para remoción de amonio ni nitritos entre reactores; las eficiencias medias de remoción fueron amonio 4.78%, nitrito 27.2%, nitrato 32.3%, sólidos suspendidos 37.5%. Los reactores R4 y R5 presentaron mejor remoción de nitratos, con eficiencias medias de 47.4% y 42.8%. El R3 reportó la mejor remoción de SS con promedio del 58.2%. Conclusiones. El sistema de tratamiento del agua en el SRA garantizó condiciones de calidad del líquido, apropiadas para el cultivo de la trucha; el reactor más eficiente para la remoción de las formas de nitrógeno evaluadas fue el inoculado con lodos de la laguna aireada del RSA.
Assuntos


Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: COLNAL / LILACS Assunto principal: Filtros Biológicos / Aquicultura Limite: Animais / Humanos Idioma: Inglês / Espanhol Revista: Rev. MVZ Córdoba Assunto da revista: Medicina Veterinária Ano de publicação: 2016 Tipo de documento: Artigo País de afiliação: Colômbia Instituição/País de afiliação: Universidad of Nariño/CO

Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: COLNAL / LILACS Assunto principal: Filtros Biológicos / Aquicultura Limite: Animais / Humanos Idioma: Inglês / Espanhol Revista: Rev. MVZ Córdoba Assunto da revista: Medicina Veterinária Ano de publicação: 2016 Tipo de documento: Artigo País de afiliação: Colômbia Instituição/País de afiliação: Universidad of Nariño/CO
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