catalКатализ в промышленностиKataliz v promyshlennosti1816-03872413-6476LLC "KALVIS"10.18412/1816-0387-2024-2-51-58catal-1006Research ArticleКАТАЛИЗ В ХИМИЧЕСКОЙ И НЕФТЕХИМИЧЕСКОЙ ПРОМЫШЛЕННОСТИCATALYSIS IN CHEMICAL AND PETROCHEMICAL INDUSTRYВариация формы каталитических блоков в процессе автотермического риформинга гексадекана, пропана и метана методом математического моделированияVariation of the shapes of catalytic blocks in the autothermal reforming of hexadecane, propane and methane using mathematical modelingЗажигаловС. В.ZazhigalovS. V.ctls@kalvis.ruШиловВ. А.ShilovV. A.ctls@kalvis.ruЗагоруйкоА. Н.ZagoruikoA. N.ctls@kalvis.ruСнытниковП. В.SnytnikovP. V.ctls@kalvis.ruИнститут катализа им. Г.К. Борескова СО РАН (ИК СО РАН), НовосибирскРоссияBoreskov Institute of Catalysis, NovosibirskRussian FederationИнститут катализа им. Г.К. Борескова СО РАН (ИК СО РАН), Новосибирск; Новосибирский государственный университет (НГУ)РоссияBoreskov Institute of Catalysis, Novosibirsk; Novosibisk State UniversityRussian Federation2024200320242425158Copyright © LLC "KALVIS", 20242024LLC "KALVIS"LLC "KALVIS"https://www.catalysis-kalvis.ru/jour/about/submissions#copyrightNoticehttps://www.catalysis-kalvis.ru/jour/article/view/1006

Проведено математическое моделирование автотермического риформинга гексадекана, пропана и метана на каталитических блоках разной геометрической формы. Было показано, что выпуклая в сторону набегающего реакционного потока форма блока может повысить максимальную температуру в лобовой зоне, в то время как вогнутая форма способствует более равномерному распределению температуры по всей длине каталитического слоя. В работе также было исследовано влияние реакционной скорости потока на изменение температурного градиента, что впоследствии может быть использовано для предотвращения образования локальных перегревов и дезактивации катализатора. Полученные результаты могут служить основой для будущих исследований в области автотермического риформинга и оптимизации геометрических параметров катализаторов конверсии углеводородных топлив в синтез-газ.

In this work, mathematical modeling of the autothermal reforming of hexadecane, propane and methane on catalytic blocks of different geometric shapes was carried out. It was shown that the convex shape of the block towards the oncoming reaction flow can increase the maximum temperature in the frontal zone, while the concave shape contributes to a more uniform temperature distribution along the entire length of the catalytic layer. The work also investigated the effect of the reaction flow rate on the change in the temperature gradient, which can subsequently be used to prevent the formation of hot spots and catalyst deactivation. The results obtained can serve as the basis for future research in the field of autothermal reforming and optimization of the geometric parameters of catalysts for the conversion of hydrocarbon fuels into synthesis gas.

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The authors declare that there are no conflicts of interest present.