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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Photocatalytic degradation pathway of methylene blue in water
Applied Catalysis B: Environmental, Volume 31, No. 2, Year 2001
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Description
The TiO2/UV photocatalytic degradation of methylene blue (MB) has been investigated in aqueous heterogeneous suspensions. In addition to a prompt removal of the color, TiO2/UV-based photocatalysis was simultaneously able to oxidize the dye, with an almost complete mineralization of carbon and of nitrogen and sulfur heteroatoms into CO2, NH4+, NO3- and SO42-, respectively. A detailed degradation pathway has been determined by a careful identification of intermediate products, in particular aromatics, whose successive hydroxylations lead to the aromatic ring opening. These results suggest that TiO2/UV photocatalysis may be envisaged as a method for treatment of diluted waste waters in textile industries. © 2001 Elsevier Science B.V.
Authors & Co-Authors
Houas, Ammar
Tunisia, Gabes
Ecole Nationale D'ingénieurs de Gabes
Lachheb, Hinda
Tunisia, Gabes
Ecole Nationale D'ingénieurs de Gabes
France, Ecully
École Centrale de Lyon
Ksibi, Mohamed
Tunisia, Gabes
Ecole Nationale D'ingénieurs de Gabes
Elaloui, Elimame
Tunisia, Gabes
Ecole Nationale D'ingénieurs de Gabes
Guillard, C.
France, Ecully
École Centrale de Lyon
Herrmann, Jean Marie J.
France, Ecully
École Centrale de Lyon
Statistics
Citations: 2,311
Authors: 6
Affiliations: 2
Identifiers
Doi:
10.1016/S0926-3373(00)00276-9
ISSN:
09263373
Research Areas
Environmental