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Enhancement of the rate of solar photocatalytic mineralization of organic pollutants by inorganic oxidizing species

Malato, Sixto and Richter, Christoph and Milow, Barbara and Maldonado, M.I. and Blanco, Julian (1998) Enhancement of the rate of solar photocatalytic mineralization of organic pollutants by inorganic oxidizing species. Applied Catalysis B: Environmental, 17, pp. 347-356. Elsevier. ISSN 0926-3373

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Abstract

Particulate suspensions of TiO2 irradiated with natural solar light in a large experimental plant catalyze the oxidation of a typical organic contaminant: pentachlorophenol (PCP). The addition of oxidants, concentration of which is kept constant during treatment, such as hydrogen peroxide, peroxymonosulphate (oxone) and peroxydisulphate increases the rate of photodegradation of PCP in the following order: S2O2ÿ 8 > Oxone > H2O2. Peroxydisulphate (10 mM), selected as the best oxidant studied, has been applied to the development of a solar photocatalytic plant for the treatment of commercial pesticide rinsates found in the wastewater produced by a pesticide container recycling plant, which includes the correct treatment of this highly contaminating ef¯uent. The ®rst results, without process or hardware optimisation, show that peroxydisulphate enhances the photocatalytic mineralization rate at least ®ve times.

Item URL in elib:https://elib.dlr.de/111274/
Document Type:Article
Title:Enhancement of the rate of solar photocatalytic mineralization of organic pollutants by inorganic oxidizing species
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Malato, SixtociematUNSPECIFIED
Richter, Christophchristoph.richter (at) dlr.deUNSPECIFIED
Milow, BarbaraBarbara.Milow (at) dlr.dehttps://orcid.org/0000-0002-6350-7728
Maldonado, M.I.UNSPECIFIEDUNSPECIFIED
Blanco, JulianciematUNSPECIFIED
Date:1998
Journal or Publication Title:Applied Catalysis B: Environmental
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:17
Page Range:pp. 347-356
Publisher:Elsevier
Series Name:Environmental
ISSN:0926-3373
Status:Published
Keywords:Photocatalysis; Titanium dioxide; Pentachlorophenol; Solar energy; Oxidant; Pesticide
HGF - Research field:Energy
HGF - Program:other
HGF - Program Themes:E - no assignment
DLR - Research area:Energy
DLR - Program:E - no assignment
DLR - Research theme (Project):E - no assignment
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research
Deposited By: Milow, Dr. Barbara
Deposited On:22 May 2017 13:17
Last Modified:08 Mar 2018 18:50

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