Photocatalytic mineralization of humic acids withTiO2: Effect of pH, sulfate and chloride anions-Reference-Cited by-同舟云学术

Photocatalytic mineralization of humic acids withTiO2: Effect of pH, sulfate and chloride anions

Published:2003 Issue:2 Volume:5 Page:69-74
ISSN:1110-662X
Container-title:International Journal of Photoenergy
language:en
Short-container-title:International Journal of Photoenergy

Author:

Wiszniowski Jarek¹,Robert Didier²,Surmacz-Gorska Joanna¹,Miksch Korneliusz¹,Weber Jean-Victor²

Affiliation:

1. Environmental Biotechnology Department, Silesian University of Technology, Akademika 2, Gliwice 44-100, Poland

2. Laboratoire de Chimie et Applications (EA 3471), Universite de Metz, rue Victor Demange, Saint-Avold 57500, France

Abstract

Aims of the present work are to investigate the photomineralization of commercial humic acid in water solution.The effect of initial pH of solution and different anions (chloride, sulfate and mixture) on the photocatalytic degradation of HA with titanium dioxide in aqueous solution has been examined. The photocatalytic mineralization rate in alkaline solution is lower than in neutral and acidic solution. In our conditions no effect of chloride ions on the degradation rate is observed. The influence of the sulfate depends on its concentration in the solution. For a large concentration, we note a decrease of the mineralization rate.

Publisher

Hindawi Limited

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,Atomic and Molecular Physics, and Optics,General Chemistry

Link

http://downloads.hindawi.com/journals/ijp/2003/475943.pdf

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