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2011 | 9 | 6 | 1000-1007
Tytuł artykułu

Catalytic degradation of methylene blue in aqueous solutions over Ni- and Co- oxide systems

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The oxidative catalytic degradation of the cationic dye methylene blue (MB) with NaOCl in aqueous solutions was studied using individual and iron modified Ni- and Co-oxide systems as catalysts. The adsorption extent and the contribution of the uncatalyzed oxidation on the overall degree of MB were determined. The results indicate that methylene blue-a representative of a class of dyestuffs resistant to biodegradation-could be successfully decolorized and degraded using nickel and cobalt oxide catalysts at room temperature. The highest catalytic activity manifests in the Co-oxide system which is consistent with the adsorption data. The oxidative degradation reaction proceeds via first-order kinetics. Temperature has a relatively small effect on the methylene blue degradation kinetics. The results obtained reveal that the catalysts investigated are suitable for oxidative destruction of methytlene blue dye in wastewaters. [...]
Wydawca

Czasopismo
Rocznik
Tom
9
Numer
6
Strony
1000-1007
Opis fizyczny
Daty
wydano
2011-12-01
online
2011-09-27
Twórcy
  • Department of Physical Chemistry, University of Plovdiv, Plovdiv, 4000, Bulgaria
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-011-0086-7
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