Evaluation of toxic wastewater from industrial denim laundry process

Authors

  • Sandra Regina Longhin Instituto Federal de Goiás e Pontifícia Universidade Católica de Goiás
  • Paulo Henrique da Silva Instituto Federal de Goiás

DOI:

https://doi.org/10.19180/2177-4560.v10n22016p25-40

Keywords:

Allium cepa. Bioassay. Industrial laundry. Toxicity.

Abstract

The effluents from industrial denim processing laundries promote environmental impacts with the imbalance of the aquatic system. In this study the toxicological potential of effluents was analyzed using the Allium cepa test system bioassay. For comparison, the bioassay was carried out in crude residue (RB), treated waste (RT) in parallel with drinking water (CN). The result for RB did not show significant difference against the CN (ANOVA), but in the RT we observed the lower averages of root growth. The bioassay proved to be satisfactory for effluent toxicity, resulting in the need for RT neutralization or change in the flocculating reagent.

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Author Biographies

  • Sandra Regina Longhin, Instituto Federal de Goiás e Pontifícia Universidade Católica de Goiás
    Doutora em Química Analítica e Inorgânia (UnB). Professora Titular do Instituto Federea de Goiás (IFG) - campus Goiânia/GO - Brasil e professora Adjunto I da PUC Goiás/GO - Brasil.
  • Paulo Henrique da Silva, Instituto Federal de Goiás
    Graduado em Tecnologia em Química Agro-Industrial

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Published

30-12-2016

Issue

Vol. 10 No. 2 (2016)

Section

Original articles

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How to Cite

Evaluation of toxic wastewater from industrial denim laundry process. Boletim do Observatório Ambiental Alberto Ribeiro Lamego, [S. l.], v. 10, n. 2, p. 25–40, 2016. DOI: 10.19180/2177-4560.v10n22016p25-40. Disponível em: https://editoraessentia.iff.edu.br/index.php/boletim/article/view/7613.. Acesso em: 22 dec. 2024.