Effect of low-purity Fenton reagents on toxicity of textile dyeing effluent to

Daphnia magna

Joorim Na, Jisu Yoo, Gwiwoong Nam, Jinho Jung

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This study aimed to identify the source of toxicity in textile dyeing effluent collected from February to July 2016, using Daphnia magna as a test organism. Toxicity identification evaluation (TIE) procedures were used to identify the toxicants in textile dyeing effluent, and Jar testing to simulate the Fenton process was conducted to identify the source of toxicants. Textile dyeing effluent was acutely toxic to D. magna [from 1.5 to 9.7 toxic units (TU)] during the study period. TIE results showed that Zn derived from the Fenton process was a key toxicant in textile dyeing effluent. Additionally, Jar testing revealed that low-purity Fenton reagents (FeCl2 and FeSO4), which contained large amounts of Zn (89838 and 610 mg L-1, respectively), were the source of toxicity. Although we were unable to conclusively identify the residual toxicity (approx. 1.4 TU of 9.71 TU) attributable to unknown toxicants in textile dyeing effluent, the findings of this study suggest that careful operation of the Fenton treatment process could contribute to eliminating its unintended toxic effects on aquatic organisms.

Original languageEnglish
Pages (from-to)1169-1175
Number of pages7
JournalEnvironmental Science: Processes and Impacts
Volume19
Issue number9
DOIs
Publication statusPublished - 2017 Sep 1

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Daphnia
Textiles
Poisons
Dyeing
Toxicity
Effluents
effluent
toxicity
Aquatic organisms
Aquatic Organisms
Testing
aquatic organism
Fenton's reagent
textile
effect

ASJC Scopus subject areas

  • Environmental Chemistry
  • Public Health, Environmental and Occupational Health
  • Management, Monitoring, Policy and Law

Cite this

Effect of low-purity Fenton reagents on toxicity of textile dyeing effluent to : Daphnia magna. / Na, Joorim; Yoo, Jisu; Nam, Gwiwoong; Jung, Jinho.

In: Environmental Science: Processes and Impacts, Vol. 19, No. 9, 01.09.2017, p. 1169-1175.

Research output: Contribution to journalArticle

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