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Degradation of emergent contaminants by UV, UV/H2O2 and neutral photo-Fenton at pilot scale in a domestic wastewater treatment plant.
Water Res. 2013 Oct 01; 47(15):5836-45.WR

Abstract

This study focuses on the removal of 22 selected micropollutants in an effluent from a municipal wastewater treatment plant (MWTP) at pilot scale. A reactor of 37 L with five low pressure mercury lamps emitting at 254 nm (UV254) was used. The 22 micropollutants include 15 pharmaceuticals, 2 X-Ray contrast medias, 1 corrosion inhibitor and 4 biocides/pesticides. Five of these 22 compounds were used as indicative substances as proposed by the Swiss Federal Office for the Environment (FOEN) (carbamazepine, diclofenac, sulfamethoxazole, benzotriazole and mecoprop). Treatments included UV254 light alone, UV254 + H2O2 and UV254 + H2O2+Fe(3+). Wastewater coming from the MWTP already contained iron with an average total iron of 1.6 mg L(-1). Original pH was not modified and remained between 6 and 7. The parameters changed during the experiments to find the optimal conditions were: wastewater flow rate (2-14 m(3) h(-1)), H2O2 concentration (20-50 mg L(-1)) and Fe (III) concentration (0-4 mg L(-1)). Chemicals removal rates were greater than 80% for the majority of the flow rates tested. Operating costs for the different conditions evaluated were also estimated and compared.

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Authors+Show Affiliations

De la Cruz N
Institut des Sciences et Ingénierie Chimiques, GGEC, EPFL, Bât. CH, 1015 Lausanne, Switzerland; Department of Chemical Engineering, Faculty of Chemistry, University of Barcelona, C/Marti I Franques 1, 08028 Barcelona, Spain.
Esquius L
No affiliation info available
Grandjean D
No affiliation info available
Magnet A
No affiliation info available
Tungler A
No affiliation info available
de Alencastro LF
No affiliation info available
Pulgarín C
No affiliation info available

MeSH

Hydrogen PeroxideIronUltraviolet RaysWaste Disposal, FluidWater Pollutants, ChemicalWater Purification

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

23910229

Citation

De la Cruz, N, et al. "Degradation of Emergent Contaminants By UV, UV/H2O2 and Neutral photo-Fenton at Pilot Scale in a Domestic Wastewater Treatment Plant." Water Research, vol. 47, no. 15, 2013, pp. 5836-45.
De la Cruz N, Esquius L, Grandjean D, et al. Degradation of emergent contaminants by UV, UV/H2O2 and neutral photo-Fenton at pilot scale in a domestic wastewater treatment plant. Water Res. 2013;47(15):5836-45.
De la Cruz, N., Esquius, L., Grandjean, D., Magnet, A., Tungler, A., de Alencastro, L. F., & Pulgarín, C. (2013). Degradation of emergent contaminants by UV, UV/H2O2 and neutral photo-Fenton at pilot scale in a domestic wastewater treatment plant. Water Research, 47(15), 5836-45. https://doi.org/10.1016/j.watres.2013.07.005
De la Cruz N, et al. Degradation of Emergent Contaminants By UV, UV/H2O2 and Neutral photo-Fenton at Pilot Scale in a Domestic Wastewater Treatment Plant. Water Res. 2013 Oct 1;47(15):5836-45. PubMed PMID: 23910229.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Degradation of emergent contaminants by UV, UV/H2O2 and neutral photo-Fenton at pilot scale in a domestic wastewater treatment plant. AU - De la Cruz,N, AU - Esquius,L, AU - Grandjean,D, AU - Magnet,A, AU - Tungler,A, AU - de Alencastro,L F, AU - Pulgarín,C, Y1 - 2013/07/16/ PY - 2013/04/03/received PY - 2013/07/04/revised PY - 2013/07/05/accepted PY - 2013/8/6/entrez PY - 2013/8/6/pubmed PY - 2014/4/12/medline KW - Costs KW - Domestic wastewater decontamination KW - Emergent contaminants KW - Micropollutants KW - Neutral photo-Fenton KW - Pilot-scale KW - UV KW - UV/H(2)O(2) SP - 5836 EP - 45 JF - Water research JO - Water Res VL - 47 IS - 15 N2 - This study focuses on the removal of 22 selected micropollutants in an effluent from a municipal wastewater treatment plant (MWTP) at pilot scale. A reactor of 37 L with five low pressure mercury lamps emitting at 254 nm (UV254) was used. The 22 micropollutants include 15 pharmaceuticals, 2 X-Ray contrast medias, 1 corrosion inhibitor and 4 biocides/pesticides. Five of these 22 compounds were used as indicative substances as proposed by the Swiss Federal Office for the Environment (FOEN) (carbamazepine, diclofenac, sulfamethoxazole, benzotriazole and mecoprop). Treatments included UV254 light alone, UV254 + H2O2 and UV254 + H2O2+Fe(3+). Wastewater coming from the MWTP already contained iron with an average total iron of 1.6 mg L(-1). Original pH was not modified and remained between 6 and 7. The parameters changed during the experiments to find the optimal conditions were: wastewater flow rate (2-14 m(3) h(-1)), H2O2 concentration (20-50 mg L(-1)) and Fe (III) concentration (0-4 mg L(-1)). Chemicals removal rates were greater than 80% for the majority of the flow rates tested. Operating costs for the different conditions evaluated were also estimated and compared. SN - 1879-2448 UR - https://www.unboundmedicine.com/medline/citation/23910229/Degradation_of_emergent_contaminants_by_UV_UV/H2O2_and_neutral_photo_Fenton_at_pilot_scale_in_a_domestic_wastewater_treatment_plant_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0043-1354(13)00566-6 DB - PRIME DP - Unbound Medicine ER -