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Journal
2011 | 9 | 6 | 1000-1007
Article title

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

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EN
Abstracts
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. [...]
Publisher
Journal
Year
Volume
9
Issue
6
Pages
1000-1007
Physical description
Dates
published
1 - 12 - 2011
online
27 - 9 - 2011
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11532-011-0086-7
Identifiers
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