Loughborough University
Leicestershire, UK
LE11 3TU
+44 (0)1509 263171
Loughborough University

Loughborough University Institutional Repository

Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/22962

Title: Removal of benzoylecgonine from water matrices through UV254/H2O2 process: Reaction kinetic modeling, ecotoxicity and genotoxicity assessment
Authors: Spasiano, Danilo
Russo, Danilo
Vaccaro, Marianna
Siciliano, A.
Marotta, Raffaele
Guida, M.
Reis, Nuno M.
Li Puma, Gianluca
Andreozzi, Roberto
Issue Date: 2016
Publisher: © Elsevier
Citation: SPASIANO, D. ...et al., 2016. Removal of benzoylecgonine from water matrices through UV254/H2O2 process: Reaction kinetic modeling, ecotoxicity and genotoxicity assessment. Journal of Hazardous Materials, 318, pp. 515-525.
Abstract: © 2016 Elsevier B.V.Benzoylecgonine (BE), the main cocaine metabolite, has been detected in numerous surface water and treatment plants effluents in Europe and there is urgent need for effective treatment methods. In this study, the removal of BE by the UV254/H2O2 process from different water matrices was investigated. By means of competition kinetics method, the kinetic constant of reaction between BE and the photogenerated hydroxyl radicals ([rad]OH) was estimated resulting in kOH/BE = 5.13 × 109 M−1 s−1. By-products and water matrices scavengers effects were estimated by numerical modeling of the reaction kinetics for the UV254/H2O2 process and validated in an innovative microcapillary film (MCF) array photoreactor and in a conventional batch photoreactor. The ecotoxicity of the water before and after treatment was evaluated with four organisms Raphidocelis subcapitata, Daphnia magna, Caenorhabditis elegans, and Vicia faba. The results provided evidence that BE and its transformation by-products do not have significant adverse effects on R. subcapitata, while D. magna underwent an increase of lipid droplets. C. elegans was the most sensitive to BE and its by-products. Furthermore, a genotoxicity assay, using V. faba, showed cytogenic damages during the cell mitosis of primary roots.
Description: This paper is in closed access until 15th Nov 2017.
Version: Accepted for publication
DOI: 10.1016/j.jhazmat.2016.07.034
URI: https://dspace.lboro.ac.uk/2134/22962
Publisher Link: http://dx.doi.org/10.1016/j.jhazmat.2016.07.034
ISSN: 0304-3894
Appears in Collections:Closed Access (Chemical Engineering)

Files associated with this item:

File Description SizeFormat
HAZMAT-D-16-02632R1 (1).pdfAccepted version2.35 MBAdobe PDFView/Open

 

SFX Query

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.