Low-temperature oxidation of methanal on nanostructured silver–amino anion exchanger catalysts


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Abstract

Nanostructured silver–amino anion exchanger composites have been synthesized as catalysts for the low-temperature oxidation of methanal with molecular oxygen in aqueous solution. The oxidative conversion of methanal reaches 80–100% at 298 K. The methanal oxidation reaction is size-dependent, and its rate increases with a decrease in the silver nanoparticle size. The fixed amino groups of anion-exchange matrix play the role of additional active sites for the adsorption of methanal in the form of methylene glycolate–anions, which facilitates the reaction.

About the authors

E. A. Sakardina

Voronezh State University

Email: ks-chem@mail.ru
Russian Federation, Voronezh, 394018

T. A. Kravchenko

Voronezh State University

Email: ks-chem@mail.ru
Russian Federation, Voronezh, 394018

E. V. Zolotukhina

Institute of Problems of Chemical Physics

Author for correspondence.
Email: ks-chem@mail.ru
Russian Federation, Chernogolovka, Moscow oblast, 142432

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