IRON AND BIOCHAR-BASED CATALYSTS (Fe/C) FOR HYDROGEN PRODUCTION BY METHANE DECOMPOSITION

Мұқаба

Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Рұқсат ақылы немесе тек жазылушылар үшін

Аннотация

This article discusses catalysts for one of the environmentally friendly methods of hydrogen production (without carbon oxide emissions) based on the reaction of methane decomposition. Iron-containing systems applied to a carbon carrier — biochar — are used as catalysts. The active component (Fe) was applied by the method of incipient wetness impregnation from a solution of iron(III) nitrate nonahydrate. The catalytic systems were investigated under the conditions of the methane decomposition reaction and studied by physicochemical methods of analysis (Raman spectroscopy, X-ray phase analysis, transmission electron microscopy, elemental analysis, atomic absorption analysis). It was revealed that the catalysts are characterized by a graphite-like carbon structure in which iron-containing nanoparticles are uniformly distributed. The catalytic activity of the obtained systems in the temperature range of 500–850°C was estimated. The maximum conversion of methane is observed at a process temperature of 700°C on iron-containing biochar synthesized at a temperature of 250°C, and is 12.2%. The carbon product that is formed during the experiment is carbon nanotubes and onion-shaped carbon.

Авторлар туралы

V. Lubavina

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences

Email: lubavina_v_v@ips.ac.ru
Moscow, Russia

A. Sotnikova

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences

Email: lubavina_v_v@ips.ac.ru
Moscow, Russia

K. Krysanova

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences

Email: lubavina_v_v@ips.ac.ru
Moscow, Russia

M. Ivantsov

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences

Email: lubavina_v_v@ips.ac.ru
Moscow, Russia

M. Kulikova

Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: lubavina_v_v@ips.ac.ru
Moscow, Russia

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