Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/43224
Title: Valorisation of a by-product from the TiO2 pigment industry for its application in advanced oxidation processes
Authors: Pulido Melián, Elisenda 
Santana Viera, L.
Otal, E.
Doña Rodríguez, José Miguel 
Santiago Garcia, Dunia Esther 
Fernández-Pereira, C.
González Díaz, Oscar Manuel 
Vilches, L. F.
UNESCO Clasification: 2307 Química física
330301 Tecnología de la catálisis
Keywords: AOPs
Humic substances
Photo-Fenton
TiO2
Valorisation, et al
Issue Date: 2016
Publisher: 1944-3994
Project: Sistema Completo de Caracterización de la Relación Entre Composición, Estructura y Fotoactividad de Sólidos Sintéticos Con Aplicaciones Fotocatalíticas. 
Journal: Desalination and Water Treatment 
Abstract: The aim of this study was to find a recycling use for waste material (WTiO2) that results from the extraction process of TiO2 from ilmenite in the pigment industry. In view of its high TiO2 content, the photocatalytic activity of this material was tested in the degradation of humic and fulvic acid substances (HFAs) and showed low levels of photoactivity, as was the case for the commercial photocatalyst Aeroxide TiO2 P25 (P25). However, due to its high Fe3+ content, an important application was observed for WTiO2 as an HFA coagulant and catalyst in Fenton and photo-Fenton processes. A two-stage process of coagulation and photo-Fenton treatment was subsequently designed and conducted at laboratory and small pilot scale. High percentages (above 95%) were obtained in total organic carbon (TOC) removal.
URI: http://hdl.handle.net/10553/43224
ISSN: 1944-3994
DOI: 10.1080/19443994.2016.1159994
Source: Desalination and Water Treatment [ISSN 1944-3994], v. 57 (54), p. 26211-26221
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