Solar photocatalytic degradation and detoxification of EU priority substances

M. Hincapié; M. I. Maldonado; I. Oller; W. Gernjak; J. A. Sánchez-Pérez; M. M. Ballesteros; S. Malato

doi:10.1016/j.cattod.2005.03.004

Solar photocatalytic degradation and detoxification of EU priority substances

M. Hincapié, M. I. Maldonado, I. Oller, W. Gernjak, J. A. Sánchez-Pérez, M. M. Ballesteros, S. Malato

Environmental Research and Measurements Group - GEMA

Research output: Contribution to conference › Paper

58 Scopus citations

Abstract

Several different pesticides (alachlor, atrazine, chlorfenvinphos, diuron, isoproturon and pentachlorophenol) considered PS (priority substances) by the European Commission and dissolved in water at 50 mg/L (or at maximum water solubility) have been degraded at pilot-plant scale using photo-Fenton and TiO2photocatalysis driven by solar energy. Two different iron concentrations (2 and 55 mg/L) and TiO2at 200 mg/L have been tested and discussed, using mainly TOC mineralisation for comparison of treatment effectiveness. Vibrio fischeri (Microtox®) toxicity assays were also employed for evaluating the photocatalytic treatments, and comparison between these results and parent compound disappearance, TOC evolution and anion (or ammonia) release were discussed. Almost complete mineralisation and total detoxification were always attained. It has been demonstrated that evolution of chloride could be a key-parameter for predicting toxicity of chlorinated compounds. © 2005 Elsevier B.V. All rights reserved.

Original language	American English
Pages	203-210
Number of pages	8
DOIs	https://doi.org/10.1016/j.cattod.2005.03.004
State	Published - 30 Apr 2005
Event	Catalysis Today - Duration: 30 Apr 2005 → …

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Conference	Catalysis Today
Period	30/04/05 → …

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title = "Solar photocatalytic degradation and detoxification of EU priority substances",

abstract = "Several different pesticides (alachlor, atrazine, chlorfenvinphos, diuron, isoproturon and pentachlorophenol) considered PS (priority substances) by the European Commission and dissolved in water at 50 mg/L (or at maximum water solubility) have been degraded at pilot-plant scale using photo-Fenton and TiO2photocatalysis driven by solar energy. Two different iron concentrations (2 and 55 mg/L) and TiO2at 200 mg/L have been tested and discussed, using mainly TOC mineralisation for comparison of treatment effectiveness. Vibrio fischeri (Microtox{\textregistered}) toxicity assays were also employed for evaluating the photocatalytic treatments, and comparison between these results and parent compound disappearance, TOC evolution and anion (or ammonia) release were discussed. Almost complete mineralisation and total detoxification were always attained. It has been demonstrated that evolution of chloride could be a key-parameter for predicting toxicity of chlorinated compounds. {\textcopyright} 2005 Elsevier B.V. All rights reserved.",

author = "M. Hincapi{\'e} and Maldonado, {M. I.} and I. Oller and W. Gernjak and S{\'a}nchez-P{\'e}rez, {J. A.} and Ballesteros, {M. M.} and S. Malato",

year = "2005",

month = apr,

day = "30",

doi = "10.1016/j.cattod.2005.03.004",

language = "American English",

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note = "Catalysis Today ; Conference date: 30-04-2005",

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T1 - Solar photocatalytic degradation and detoxification of EU priority substances

AU - Hincapié, M.

AU - Maldonado, M. I.

AU - Oller, I.

AU - Gernjak, W.

AU - Sánchez-Pérez, J. A.

AU - Ballesteros, M. M.

AU - Malato, S.

PY - 2005/4/30

Y1 - 2005/4/30

N2 - Several different pesticides (alachlor, atrazine, chlorfenvinphos, diuron, isoproturon and pentachlorophenol) considered PS (priority substances) by the European Commission and dissolved in water at 50 mg/L (or at maximum water solubility) have been degraded at pilot-plant scale using photo-Fenton and TiO2photocatalysis driven by solar energy. Two different iron concentrations (2 and 55 mg/L) and TiO2at 200 mg/L have been tested and discussed, using mainly TOC mineralisation for comparison of treatment effectiveness. Vibrio fischeri (Microtox®) toxicity assays were also employed for evaluating the photocatalytic treatments, and comparison between these results and parent compound disappearance, TOC evolution and anion (or ammonia) release were discussed. Almost complete mineralisation and total detoxification were always attained. It has been demonstrated that evolution of chloride could be a key-parameter for predicting toxicity of chlorinated compounds. © 2005 Elsevier B.V. All rights reserved.

AB - Several different pesticides (alachlor, atrazine, chlorfenvinphos, diuron, isoproturon and pentachlorophenol) considered PS (priority substances) by the European Commission and dissolved in water at 50 mg/L (or at maximum water solubility) have been degraded at pilot-plant scale using photo-Fenton and TiO2photocatalysis driven by solar energy. Two different iron concentrations (2 and 55 mg/L) and TiO2at 200 mg/L have been tested and discussed, using mainly TOC mineralisation for comparison of treatment effectiveness. Vibrio fischeri (Microtox®) toxicity assays were also employed for evaluating the photocatalytic treatments, and comparison between these results and parent compound disappearance, TOC evolution and anion (or ammonia) release were discussed. Almost complete mineralisation and total detoxification were always attained. It has been demonstrated that evolution of chloride could be a key-parameter for predicting toxicity of chlorinated compounds. © 2005 Elsevier B.V. All rights reserved.

U2 - 10.1016/j.cattod.2005.03.004

DO - 10.1016/j.cattod.2005.03.004

M3 - Paper

SP - 203

EP - 210

T2 - Catalysis Today

Y2 - 30 April 2005

ER -

Solar photocatalytic degradation and detoxification of EU priority substances

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