Influence of the surface functionalization conditions on the properties of carbon fibers and supported palladium


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Abstract

The influence exerted by the conditions of oxidation and calcination in an inert medium on the properties of Karbopon and Busofit activated carbon fibers were studied using a set of physicochemical methods. The maximal concentration of thermally stable phenol groups in Busofit is reached by its oxidation with a 20% aqueous HNO3 solution, followed by calcination in an inert medium at 500°С for 1.5 h. Experiments with catalysts supported on Busofit samples functionalized with 20% HNO3 have shown that palladium supported on Busofit that was calcined at 500°C after oxidative treatment is characterized by monodisperse nanocluster distribution. The prepared catalysts containing 1 wt % Pd exhibit higher activity in oxidation of carbon monoxide than their presently known analogs do.

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V. Z. Radkevich

Institute of Physical Organic Chemistry

Author for correspondence.
Email: vzr1981@gmail.com
Belarus, ul. Surganova 13, Minsk, 220072

S. G. Khaminets

Institute of Physical Organic Chemistry

Email: vzr1981@gmail.com
Belarus, ul. Surganova 13, Minsk, 220072

O. A. Samoilenko

Institute of Physical Organic Chemistry

Email: vzr1981@gmail.com
Belarus, ul. Surganova 13, Minsk, 220072

I. G. Paplevko

Institute of Physical Organic Chemistry

Email: vzr1981@gmail.com
Belarus, ul. Surganova 13, Minsk, 220072

I. P. Prosvirin

Boreskov Institute of Catalysis, Siberian Branch

Email: vzr1981@gmail.com
Russian Federation, pr. Akademika Lavrentʼeva 5, Novosibirsk, 630090

A. A. Dubkov

Boreskov Institute of Catalysis, Siberian Branch

Email: vzr1981@gmail.com
Russian Federation, pr. Akademika Lavrentʼeva 5, Novosibirsk, 630090

L. N. Grishchenko

Taras Shevchenko National University

Email: vzr1981@gmail.com
Ukraine, vul. Volodimirska 60, Kyiv, 01033

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