Biological Fenton's oxidation of pentachlorophenol by aquatic plants

Andre Rodrigues Dos Reis; Yukako Kyuma; Yutaka Sakakibara

doi:10.1007/s00128-013-1106-4

Biological Fenton's oxidation of pentachlorophenol by aquatic plants

Andre Rodrigues Dos Reis^*, Yukako Kyuma, Yutaka Sakakibara

^*Corresponding author for this work

School of Creative Science and Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

This study proposes a new treatment method to decompose persistent chemicals such as pentachlorophenol (PCP) in water, utilizing hydrogen peroxide present in aquatic plants to proceed the biological Fenton reaction. PCP was not effectively removed by aquatic plants. However, by adding 2.8 mM of Fe ²⁺, there was a rapid removal of PCP while at the same time consumption of endogenous hydrogen peroxide occurred. It was observed the increase of chloride ions formation in water-confirming the complete degradation of PCP. These results demonstrated that PCP was oxidized through a biological Fenton reaction, and hydrogen peroxide in aquatic plants was a key endogenous substance in treatment of refractory toxic pollutants.

Original language	English
Pages (from-to)	718-723
Number of pages	6
Journal	Bulletin of Environmental Contamination and Toxicology
Volume	91
Issue number	6
DOIs	https://doi.org/10.1007/s00128-013-1106-4
Publication status	Published - 2013 Dec

Keywords

Aquatic plants
Endocrine disruptors
Hydrogen peroxide
Phytoremediation

ASJC Scopus subject areas

Toxicology
Pollution
Health, Toxicology and Mutagenesis

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abstract = "This study proposes a new treatment method to decompose persistent chemicals such as pentachlorophenol (PCP) in water, utilizing hydrogen peroxide present in aquatic plants to proceed the biological Fenton reaction. PCP was not effectively removed by aquatic plants. However, by adding 2.8 mM of Fe 2+, there was a rapid removal of PCP while at the same time consumption of endogenous hydrogen peroxide occurred. It was observed the increase of chloride ions formation in water-confirming the complete degradation of PCP. These results demonstrated that PCP was oxidized through a biological Fenton reaction, and hydrogen peroxide in aquatic plants was a key endogenous substance in treatment of refractory toxic pollutants.",

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AU - Dos Reis, Andre Rodrigues

AU - Kyuma, Yukako

AU - Sakakibara, Yutaka

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AB - This study proposes a new treatment method to decompose persistent chemicals such as pentachlorophenol (PCP) in water, utilizing hydrogen peroxide present in aquatic plants to proceed the biological Fenton reaction. PCP was not effectively removed by aquatic plants. However, by adding 2.8 mM of Fe 2+, there was a rapid removal of PCP while at the same time consumption of endogenous hydrogen peroxide occurred. It was observed the increase of chloride ions formation in water-confirming the complete degradation of PCP. These results demonstrated that PCP was oxidized through a biological Fenton reaction, and hydrogen peroxide in aquatic plants was a key endogenous substance in treatment of refractory toxic pollutants.

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KW - Endocrine disruptors

KW - Hydrogen peroxide

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Biological Fenton's oxidation of pentachlorophenol by aquatic plants

Abstract

Keywords

ASJC Scopus subject areas

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