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The role of multiwalled carbon nanotubes (MWCNTs) in the catalytic ozonation of atrazine

Title
The role of multiwalled carbon nanotubes (MWCNTs) in the catalytic ozonation of atrazine
Type
Article in International Scientific Journal
Year
2014
Authors
Xiaolei Fan
(Author)
Other
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João Restivo
(Author)
FEUP
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José J. M. Órfão
(Author)
FEUP
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Manuel Fernando R. Pereira
(Author)
FEUP
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Alexei A. Lapkin
(Author)
Other
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Journal
Vol. 241
Pages: 66-76
ISSN: 1385-8947
Publisher: Elsevier
Indexing
Publicação em ISI Web of Science ISI Web of Science
INSPEC
Scientific classification
FOS: Engineering and technology
CORDIS: Technological sciences > Engineering
Other information
Authenticus ID: P-008-Z6D
Abstract (EN): Multiwalled carbon nanotubes (MWCNTs) are used as catalysts in ozonation of atrazine in aqueous solutions. The catalyst changed the distribution of atrazine degradation intermediates, leading to the decrease in the effluent toxicity compared to non-catalytic ozonation and an increase in the overall mineralisation of atrazine. However, the overall rate of atrazine conversion was somewhat reduced in the presence of the nanotube catalyst (apparent rate constant: 0.233 min(-1) versus 0.143 min(-1) in the presence of the nanotubes). Detailed analysis of intermediates in catalysed and non-catalysed reactions allowed to propose the likely reaction pathway in the presence of the nanotubes.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 11
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