Features of non-oxidative conversion of methane into aromatic hydrocarbons over Mo-containing zeolite catalysts

20th International Scientific Symposium of Students, Postgraduates and Young Scientists on "Problems of Geology and Subsurface Development"

Stepanov, A.A.^1 ; Korobitsyna, L.L.^1 ; Vosmerikov, A.V.^1

Institute of Petroleum Chemistry, Siberian Branch, Russian Academy of Sciences, Tomsk

634055, Russia^1

关键词: Diffusion and kinetics;    Kinetic mechanism;    Methane conversions;    Methane dehydroaromatization;    Molybdenum powder;    Non-oxidative conversion;    Optimum temperature;    Solid phase synthesis;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/43/1/012064/pdf
DOI  :  10.1088/1755-1315/43/1/012064

来源: IOP

【 摘 要 】

The results of study of methane conversion under non-oxidative conditions over molybdenum containing zeolite catalysts prepared by solid-phase synthesis using nanosized molybdenum powder are presented. The kinetic mechanisms of the process behavior under different conditions of methane dehydroaromatization are determined. It is shown that nonoxidative conversion of methane can occur both in the external diffusion and kinetic regions, depending on the methane flow rate. It is found out, that the optimum temperature of the methane conversion is 750 °C. It is shown that increased methane conversion is observed at the feed space velocity of methane decreasing from 1500 to 500 h-1.