| Issue |
E3S Web of Conf.
Volume 389, 2023
Ural Environmental Science Forum “Sustainable Development of Industrial Region” (UESF-2023)
|
|
|---|---|---|
| Article Number | 01037 | |
| Number of page(s) | 9 | |
| Section | Materials Science Innovations, Green Chemistry and Emission Reduction | |
| DOI | https://doi.org/10.1051/e3sconf/202338901037 | |
| Published online | 31 May 2023 | |
Kinetic laws of dimethyl ether synthesis reaction
Samarkand State University, Samarkand, Republic of Uzbekistan
* Corresponding author: fer.sapedu@gmail.com
The work consists of a detailed study of the influence of pressure, temperature, volume velocity and the molar ratio of H2/CO on CO conversion and DME output. CO conversion and DME synthesis in the presence of a CuO·ZnO·Al2O3·ZrO2·CaO/bentonite: γ-Al2O3 catalyst was studied in terms of their layer-by-layer loading. It was shown that the method of loading catalysts in the ratio of 2:1:2 is the best option. Further studies of the catalytic activity of the samples were carried out using a 2:1:2 loading method. Operating conditions T=290 °C, P=2 MPa, H2/CO=2.5, volume velocity 1000 h-1, conversion of CO in a single pass through the catalyst bed DME output “Crystal 5000” gas chromatograph, TriStar II (3020) was determined using an automatic gas adsorption analyzer model BJH (Barett-Joyner-Halenda). The phase composition of the catalyst samples was studied by X-ray phase analysis (X-ray diffraction - XRD) using a Shimadzu XRD-6000 diffractometer. The surface morphology of the samples was studied by scanning electron microscope based on VEGA IILMU electron microscope and INCA ENERGY 350 energy dispersive microanalysis.
Key words: synthesis gas / methanol / dimethyl ether / catalyst / conversion / pressure / temperature / volume velocity
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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