Enhancement of the Direct Synthesis of Dimethyl Ether (DME) from Synthesis Gas by Macro- and Microstructuring of the Catalytic Bed
This work reports on a modelling study of the influence of the distribution of metallic and acidic active centers within a catalytic fixed-bed reactor for the direct synthesis of dimethyl ether (DME), conducted to demonstrate the potential of reactor-level and pellet-level structuring of catalytic a...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-08-01
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| Series: | Catalysts |
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| Online Access: | https://www.mdpi.com/2073-4344/10/8/852 |
| _version_ | 1797560639666782208 |
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| author | Katarzyna Bizon Krzysztof Skrzypek-Markiewicz Gaetano Continillo |
| author_facet | Katarzyna Bizon Krzysztof Skrzypek-Markiewicz Gaetano Continillo |
| author_sort | Katarzyna Bizon |
| collection | DOAJ |
| description | This work reports on a modelling study of the influence of the distribution of metallic and acidic active centers within a catalytic fixed-bed reactor for the direct synthesis of dimethyl ether (DME), conducted to demonstrate the potential of reactor-level and pellet-level structuring of catalytic 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 and intrapellet mass transport resistances. The study evaluated, in terms of DME and methanol yield and selectivity, the performance of a tubular reactor loaded with a physical mixture of monofunctional catalyst pellets or structured bifunctional catalyst pellets with different arrangements of the catalytic centers. It was confirmed that bifunctional catalysts overperform significantly a physical mixture of monofunctional particles. Moreover, it was shown that the internal structure of a bifunctional catalyst pellet is an important feature that deserves to be exploited deeper, in view of further intensification of the DME synthesis process to be achieved with a better reactor design. |
| first_indexed | 2024-03-10T18:02:28Z |
| format | Article |
| id | doaj.art-b2af912e90dd4018a12c2198136726d1 |
| institution | Directory Open Access Journal |
| issn | 2073-4344 |
| language | English |
| last_indexed | 2024-03-10T18:02:28Z |
| publishDate | 2020-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Catalysts |
| spelling | doaj.art-b2af912e90dd4018a12c2198136726d12023-11-20T08:46:09ZengMDPI AGCatalysts2073-43442020-08-0110885210.3390/catal10080852Enhancement of the Direct Synthesis of Dimethyl Ether (DME) from Synthesis Gas by Macro- and Microstructuring of the Catalytic BedKatarzyna Bizon0Krzysztof Skrzypek-Markiewicz1Gaetano Continillo2Faculty of Chemical Engineering and Technology, Cracow University of Technology, ul. Warszawska 24, 31-155 Kraków, PolandFaculty of Chemical Engineering and Technology, Cracow University of Technology, ul. Warszawska 24, 31-155 Kraków, PolandDipartimento di Ingegneria, Università degli Studi del Sannio, Piazza Roma 21, 82100 Benevento, ItalyThis work reports on a modelling study of the influence of the distribution of metallic and acidic active centers within a catalytic fixed-bed reactor for the direct synthesis of dimethyl ether (DME), conducted to demonstrate the potential of reactor-level and pellet-level structuring of catalytic 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 and intrapellet mass transport resistances. The study evaluated, in terms of DME and methanol yield and selectivity, the performance of a tubular reactor loaded with a physical mixture of monofunctional catalyst pellets or structured bifunctional catalyst pellets with different arrangements of the catalytic centers. It was confirmed that bifunctional catalysts overperform significantly a physical mixture of monofunctional particles. Moreover, it was shown that the internal structure of a bifunctional catalyst pellet is an important feature that deserves to be exploited deeper, in view of further intensification of the DME synthesis process to be achieved with a better reactor design.https://www.mdpi.com/2073-4344/10/8/852process integrationdirect synthesis of dimethyl etherbifunctional catalyst pelletprocess intensificationmultifunctional catalytic reactor |
| spellingShingle | Katarzyna Bizon Krzysztof Skrzypek-Markiewicz Gaetano Continillo Enhancement of the Direct Synthesis of Dimethyl Ether (DME) from Synthesis Gas by Macro- and Microstructuring of the Catalytic Bed Catalysts process integration direct synthesis of dimethyl ether bifunctional catalyst pellet process intensification multifunctional catalytic reactor |
| title | Enhancement of the Direct Synthesis of Dimethyl Ether (DME) from Synthesis Gas by Macro- and Microstructuring of the Catalytic Bed |
| title_full | Enhancement of the Direct Synthesis of Dimethyl Ether (DME) from Synthesis Gas by Macro- and Microstructuring of the Catalytic Bed |
| title_fullStr | Enhancement of the Direct Synthesis of Dimethyl Ether (DME) from Synthesis Gas by Macro- and Microstructuring of the Catalytic Bed |
| title_full_unstemmed | Enhancement of the Direct Synthesis of Dimethyl Ether (DME) from Synthesis Gas by Macro- and Microstructuring of the Catalytic Bed |
| title_short | Enhancement of the Direct Synthesis of Dimethyl Ether (DME) from Synthesis Gas by Macro- and Microstructuring of the Catalytic Bed |
| title_sort | enhancement of the direct synthesis of dimethyl ether dme from synthesis gas by macro and microstructuring of the catalytic bed |
| topic | process integration direct synthesis of dimethyl ether bifunctional catalyst pellet process intensification multifunctional catalytic reactor |
| url | https://www.mdpi.com/2073-4344/10/8/852 |
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