A comparative study on toxicity identification of industrial effluents using daphnia magna

Xianliang Yi, Eunhee Kim, Hun Je Jo, Taejun Han, Jinho Jung

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this study, acute toxicity monitoring and toxicity identification evaluation procedures were applied to identify causative toxicants in industrial effluents. Effluents from a metal plating factory and a rubber products factory were acutely toxic toward Daphnia magna and the toxicity varied over different sampling events (2.9-5.9 and 1.7-7.6 TU, respectively). For the rubber products effluent, it was confirmed that zinc (5.65-13.18 mg L -1) was found to be a major cause of toxicity, which is likely originated from zinc 2-mercaptobenzothiazole and zinc diethyldithiocarbamate used as vulcanization accelerators. For the metal plating effluent, it appeared that the presence of high concentrations of Cl - and SO 4 2- (8,539-11,400 and 3,588-4,850 mg L -1, respectively) caused the observed toxicity. These toxicants likely originated from sodium bisulfate (NaHSO 3) and sodium hypochlorite (NaOCl) used as reducing and oxidizing agents. Though copper was found to be present in levels much higher than the EC 50 (50% effective concentration) value, this was not attributable to the toxicity of metal plating effluent likely due to complexation with dissolved organic matter.

Original languageEnglish
Pages (from-to)319-323
Number of pages5
JournalBulletin of Environmental Contamination and Toxicology
Volume87
Issue number3
DOIs
Publication statusPublished - 2011 Sep 1

Fingerprint

Electroplating
Daphnia
Toxicity
Effluents
Rubber
Zinc
Plating
Rubber products
Ditiocarb
Sodium Hypochlorite
Poisons
Reducing Agents
Oxidants
Industrial plants
Copper
Sodium
Vulcanization
Complexation
Biological materials
Particle accelerators

Keywords

  • Acute toxicity
  • Daphnia magna
  • Metal plating factory
  • Rubber products factory

ASJC Scopus subject areas

  • Health, Toxicology and Mutagenesis
  • Pollution
  • Toxicology

Cite this

A comparative study on toxicity identification of industrial effluents using daphnia magna. / Yi, Xianliang; Kim, Eunhee; Jo, Hun Je; Han, Taejun; Jung, Jinho.

In: Bulletin of Environmental Contamination and Toxicology, Vol. 87, No. 3, 01.09.2011, p. 319-323.

Research output: Contribution to journalArticle

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