Ecotoxicity Evaluation of Pure Peracetic Acid (PAA) after Eliminating Hydrogen Peroxide from Commercial PAA

International Journal of Environmental Research and Public Health
Ravi Kumar ChhetriHenrik Rasmus Andersen

Abstract

In recent years, peracetic acid (PAA) has gained a lot of attention as an alternative disinfectant to chlorine-based disinfectants in the water industry. Commercial PAA solutions contain both PAA and hydrogen peroxide (HP), and the degradation of HP is slower than PAA when it is used for disinfection. All previous toxicity studies have been based on commercial PAA, and variance in toxicity values have been observed due to different PAA:HP ratios. In this study, the ecotoxicity of pure PAA was studied, eliminating HP from the commercial PAA mixture using potassium permanganate. Ecotoxicity data were obtained by conducting a battery of ecotoxicity tests: bioassays using Vibrio fischeri (V. fischeri), Daphnia magna (D. magna), and Pseudokirchneriella subcapitata (P. subcapitata). The effect concentration (EC50) of pure PAA was 0.84 (a 95% confidence interval of 0.78-0.91) mg/L for V. fischeri and 2.46 (2.35-2.58) mg/L for P. subcapitata, whereas the lethal concentration (LC50) was 0.74 (0.55-0.91) mg/L for D. magna. Compared to this, our previous study found that the EC50 values of commercial PAA towards V. fischeri and P. subcapitata were 0.42 (0.41-0.44) and 1.38 (0.96-1.99) mg/L, respectively, which were lower than pure PAA, wh...Continue Reading

References

May 11, 2007·Water Environment Research : a Research Publication of the Water Environment Federation·S RossiC Nurizzo
Aug 23, 2007·Water Environment Research : a Research Publication of the Water Environment Federation·Domenico SantoroCharles N Haas
Apr 28, 2009·Environmental Toxicology and Chemistry·Erik R ChristensenNiels Nyholm
Sep 22, 2009·Environmental Science & Technology·M AntonelliM Panouillères
Dec 21, 2013·Water Science and Technology : a Journal of the International Association on Water Pollution Research·M AntonelliC Nurizzo
Jan 30, 2014·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Marina J FloresMarisol D Labas
Jun 12, 2014·The Science of the Total Environment·Ravi Kumar ChhetriHenrik Rasmus Andersen
Jul 2, 2020·International Journal of Environmental Research and Public Health·Ravi Kumar ChhetriHenrik Rasmus Andersen

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