Evaluation of e-beam irradiation effects on the toxicity of slaughterhouse wastewaters
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Environmental Technology
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Slaughterhouse industry produces large volumes of polluted wastewater, which cause negative
impacts on the environment. The objective of this study was to assess the effect of electronbeam
irradiation on the ecotoxicity of slaughterhouse effluents with absorbed doses up to
35 kGy. Two acute toxicity assays were applied to evaluate the efficiency of irradiation onto
toxicity of wastewater. The exposed living-organisms were a luminescent bacteria Vibrio fischeri,
and a freshwater microcrustacean Daphnia similis. Also, the total organic carbon was analysed in
order to determine any possible organic carbon removal after irradiation. The ecotoxicological
results evidenced that both living-organisms were suitable for the measurements. Therefore, the
results demonstrated the toxicity of the effluent and its similarity for both organisms as well as
the potential of radiation to reduce these effects. The 35 kGy dose was very effective for
reducing toxic effects of slaughterhouse wastewater for daphnids suggesting that ionizing
radiation could be used as a tool for removing toxic charge of such effluents. The type of
contamination presented by the effluent justify the needs for alternatives of treatment.
Como referenciar
MADUREIRA, JOANA; MELO, RITA; PIMENTA, ANDREIA I.; VERDE, SANDRA C.; BORRELY, SUELI I. Evaluation of e-beam irradiation effects on the toxicity of slaughterhouse wastewaters. Environmental Technology, v. 39, n. 7, p. 873-877, 2018. DOI: 10.1080/09593330.2017.1313887. Disponível em: http://repositorio.ipen.br/handle/123456789/27908. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.