Research Article

ADVANCED OXIDATION OF A NONIONIC SURFACTANT: EXAMINATION OF THE DEGRADATION PRODUCTS – ACUTE TOXICITY RELATIONSHIP

Volume: 31 Number: 4 December 1, 2013
  • Akın Karcı
  • İdil Arslan Alaton
  • Miray Bekbölet

ADVANCED OXIDATION OF A NONIONIC SURFACTANT: EXAMINATION OF THE DEGRADATION PRODUCTS – ACUTE TOXICITY RELATIONSHIP

Abstract

Degradation products formed during removal of an aqueous nonylphenol ethoxylate compound (NP-10) by the H2O2/UV-C, Fenton (Fe2+/H2O2) and photo-Fenton (Fe2+/H2O2/UV) advanced oxidation processes and their relationship with the acute toxicity toward Vibrio fischeri photobacteria were investigated. Polyethylene glycols with 3-8 ethoxy units, aldehydes and carboxylic acids were identified as the primary degradation products of the studied treatment processes. A strong correlation was found between the acute toxicity and the aldehydes and carboxylic acids formed during the H2O2/UV-C and photo-Fenton processes. Higher concentrations of aldehydes and carboxylic acids in the H2O2/UV-C process (1.24 and 32 mg L-1, respectively) than in the photo-Fenton oxidation (0.36 and 21 mg L-1, respectively) were speculated to cause the higher inhibitory effect (24% relative inhibition) observed in the H2O2/UV-C process. The Fenton process was rather inefficient for the removal of NP-10 (20% removal), resulting in the generation of only low concentrations of degradation products (0.14 mg L-1 aldehyde and 4.58 mg L-1 carboxylic acid) and a residual toxicity (10% relative inhibition) nearly at the same level with that of the untreated pollutant (9% relative inhibition). A positive relationship was evidenced between the concentration of degradation products and the level of acute toxicity.

Keywords

References

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Details

Primary Language

English

Subjects

Environmental Engineering

Journal Section

Research Article

Authors

Akın Karcı This is me
Türkiye

İdil Arslan Alaton This is me
Türkiye

Miray Bekbölet This is me
Türkiye

Publication Date

December 1, 2013

Submission Date

April 4, 2013

Acceptance Date

August 13, 2013

Published in Issue

Year 2013 Volume: 31 Number: 4

APA
Karcı, A., Arslan Alaton, İ., & Bekbölet, M. (2013). ADVANCED OXIDATION OF A NONIONIC SURFACTANT: EXAMINATION OF THE DEGRADATION PRODUCTS – ACUTE TOXICITY RELATIONSHIP. Sigma Journal of Engineering and Natural Sciences, 31(4), 508-516. https://izlik.org/JA53HB77FB
AMA
1.Karcı A, Arslan Alaton İ, Bekbölet M. ADVANCED OXIDATION OF A NONIONIC SURFACTANT: EXAMINATION OF THE DEGRADATION PRODUCTS – ACUTE TOXICITY RELATIONSHIP. SIGMA. 2013;31(4):508-516. https://izlik.org/JA53HB77FB
Chicago
Karcı, Akın, İdil Arslan Alaton, and Miray Bekbölet. 2013. “ADVANCED OXIDATION OF A NONIONIC SURFACTANT: EXAMINATION OF THE DEGRADATION PRODUCTS – ACUTE TOXICITY RELATIONSHIP”. Sigma Journal of Engineering and Natural Sciences 31 (4): 508-16. https://izlik.org/JA53HB77FB.
EndNote
Karcı A, Arslan Alaton İ, Bekbölet M (December 1, 2013) ADVANCED OXIDATION OF A NONIONIC SURFACTANT: EXAMINATION OF THE DEGRADATION PRODUCTS – ACUTE TOXICITY RELATIONSHIP. Sigma Journal of Engineering and Natural Sciences 31 4 508–516.
IEEE
[1]A. Karcı, İ. Arslan Alaton, and M. Bekbölet, “ADVANCED OXIDATION OF A NONIONIC SURFACTANT: EXAMINATION OF THE DEGRADATION PRODUCTS – ACUTE TOXICITY RELATIONSHIP”, SIGMA, vol. 31, no. 4, pp. 508–516, Dec. 2013, [Online]. Available: https://izlik.org/JA53HB77FB
ISNAD
Karcı, Akın - Arslan Alaton, İdil - Bekbölet, Miray. “ADVANCED OXIDATION OF A NONIONIC SURFACTANT: EXAMINATION OF THE DEGRADATION PRODUCTS – ACUTE TOXICITY RELATIONSHIP”. Sigma Journal of Engineering and Natural Sciences 31/4 (December 1, 2013): 508-516. https://izlik.org/JA53HB77FB.
JAMA
1.Karcı A, Arslan Alaton İ, Bekbölet M. ADVANCED OXIDATION OF A NONIONIC SURFACTANT: EXAMINATION OF THE DEGRADATION PRODUCTS – ACUTE TOXICITY RELATIONSHIP. SIGMA. 2013;31:508–516.
MLA
Karcı, Akın, et al. “ADVANCED OXIDATION OF A NONIONIC SURFACTANT: EXAMINATION OF THE DEGRADATION PRODUCTS – ACUTE TOXICITY RELATIONSHIP”. Sigma Journal of Engineering and Natural Sciences, vol. 31, no. 4, Dec. 2013, pp. 508-16, https://izlik.org/JA53HB77FB.
Vancouver
1.Akın Karcı, İdil Arslan Alaton, Miray Bekbölet. ADVANCED OXIDATION OF A NONIONIC SURFACTANT: EXAMINATION OF THE DEGRADATION PRODUCTS – ACUTE TOXICITY RELATIONSHIP. SIGMA [Internet]. 2013 Dec. 1;31(4):508-16. Available from: https://izlik.org/JA53HB77FB

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