Enhancement of the direct synthesis of dimethyl ether (DME) from synthesis gas by macro- and microstructuring of the catalytic bed
Authors:
- Katarzyna Bizon,
- Krzysztof Skrzypek-Markiewicz,
- Gaetano Continillo
Abstract
This work reports on a modelling study of the influence of the distribution of metallicand acidic active centers within a catalytic fixed-bed reactor for the direct synthesis of dimethylether (DME), conducted to demonstrate the potential of reactor-level and pellet-level structuring ofcatalytic active centers in process integration and intensification. To account for the pellet structure,the analysis was performed with the aid of a heterogeneous model considering both interphase andintrapellet mass transport resistances. The study evaluated, in terms of DME and methanol yield andselectivity, the performance of a tubular reactor loaded with a physical mixture of monofunctionalcatalyst pellets or structured bifunctional catalyst pellets with different arrangements of the catalyticcenters. It was confirmed that bifunctional catalysts overperform significantly a physical mixture ofmonofunctional particles. Moreover, it was shown that the internal structure of a bifunctional catalystpellet is an important feature that deserves to be exploited deeper, in view of further intensification ofthe DME synthesis process to be achieved with a better reactor design.
- Record ID
- CUTa46838ab7b084eaabab0b333eb666513
- Publication categories
- ;
- Author
- Journal series
- Catalysts, ISSN , e-ISSN 2073-4344, Monthly
- Issue year
- 2020
- Vol
- 10
- No
- 8
- Pages
- [1-16]
- Article number
- 852
- Other elements of collation
- schem.; wykr.; Bibliografia (na s.) - 15-16; Bibliografia (liczba pozycji) - 22; Oznaczenie streszczenia - Abstr.; Numeracja w czasopiśmie - Vol. 10, Iss. 8, Spec. Iss.
- Substantive notes
- Special Issue: Novel Materials and Reactor Concepts for CO2 Conversion into Methane, Methanol and DME
- Keywords in English
- process integration, direct synthesis of dimethyl ether, bifunctional catalyst pellet, process intensification, multifunctional catalytic reactor
- DOI
- DOI:10.3390/catal10080852 Opening in a new tab
- URL
- https://www.mdpi.com/2073-4344/10/8/852/htm Opening in a new tab
- Related project
- Modelowanie i symulacja dynamiki wielofunkcyjnych ziaren katalizatora. . Project leader at PK: , ,
Projects financed by NSC [Projekty finansowane przez NCN] - Language
- eng (en) English
- License
- Score (nominal)
- 100
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUTa46838ab7b084eaabab0b333eb666513/
- URN
urn:pkr-prod:CUTa46838ab7b084eaabab0b333eb666513
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.