545613 CO2 Conversion to Meoh-DME Fuels:Catalytic and Technological Aspects

Wednesday, June 5, 2019: 2:48 PM
Texas Ballroom D (Grand Hyatt San Antonio)
Francesco Frusteri, Catia Cannilla, Fabio Costa, Aldo Mezzapica and Giuseppe Bonura, Energy, CNR-ITAE, Messina, Italy

 

CO2 CONVERSION TO MEOH-DME FUELS:

CATALYTIC AND TECHNOLOGICAL ASPECTS

F. Frusteri*, C. Cannilla, F. Costa, A. Mezzapica, G. Bonura

CNR-ITAE, Via S. Lucia sopra Contesse 5, 98126 Messina, Italy

*Presenting author: Dr. Francesco Frusteri, PhD. Email: francesco.frusteri@itae.cnr.it

Abstract

One-step CO2 hydrogenation reaction to dimethyl ether (DME) [1] on a hybrid system using different reactor bed configurations (physical mixing, dual-bed and mono-bed) will be discussed (see Fig. 1).

Figure 1 - CO2-to-DME.png

Fig. 1. Different reactor configurations adopted under CO2-to-DME hydrogenation conditions.

 

The influence of different materials and preparation methods to design a suitable hybrid Cu-ZnO-MeOx–Zeolite catalytic system will be investigated with the aim to better define the way of achieving high DME productivity [2-4]. Catalytic results, in terms of CO2 conversion and product distribution in the temperature range of 473-533 K at 3.0 MPa and CO2/H2 feed concentration of 1/3 v/v using a fixed bed reactor will be discussed to individuate the optimal reaction conditions ensuring both high CO2 conversion per pass and high CH3OH/DME selectivity [3,5-7]. Particular attention will be addressed to reaction mechanism with the aim to disclose the controlling step which prevents the achievement of high CO2 conversion at temperature lower than 473 K. An effort will be also profuse to precisely ascertain, in the hybrid systems, the active sites for H2 and CO2 activation by correlating the results as a function of their nature and strength. Furthermore, the influence of catalyst structure and morphology on mass transferring phenomena of reaction intermediates will be investigated to highlight how these parameters affect DME/MeOH production.

 

The audience will have the opportunity to learn more about the feasibility of a process based on direct production of DME from CO2 using hybrid catalytic systems. In particular, people working in this field should acquire new information to better address the research towards the development of optimized multi-component catalysts characterized by high CO2 conversion and DME selectivity, without suffering from evident deactivation phenomena under reaction conditions.

 

Keywords:CO2 hydrogenation; hybrid catalysts; DME synthesis.

 

Acknowledgements

Part of this work was realized within the bilateral agreement of Scientific and Technological Cooperation CNR-MTA/HAS (Hungarian Academy of Sciences).

 

References

[1].        M. Aresta, A. Dibenedetto, E. Quaranta, J. Catal. 343 (2016) 2–45.

[2].        E. Catizzone, G. Bonura, M. Migliori, F. Frusteri, G. Giordano, Molecules 23 (2018) 31-58.

[3].        F. Frusteri, M. Migliori, C. Cannilla, L. Frusteri, E. Catizzone, A. Aloise, G. Giordano, G. Bonura, J. CO2 Util. 18 (2017) 353-361.

[4].        F. Frusteri, G. Bonura, C. Cannilla, G. Drago Ferrante, A. Aloise, E. Catizzone, M. Migliori, G. Giordano, Appl. Catal., B 176 (2015) 522–531.

[5].        G. Bonura, M. Migliori, L. Frusteri, C. Cannilla, E. Catizzone, G. Giordano, F. Frusteri, J. CO2 Util. 24 (2018) 398-406.

[6].        M. Sánchez-Contador, A. Ateka, A.T. Aguayo, J. Bilbao, Fuel Process. Technol. 179 (2018) 258-268.

[7].        M. Gentzen, D.E. Doronkin, T.L. Sheppard, J.-D. Grunwaldt, J. Sauer, S. Behrens, Appl. Catal., A 562 (2018) 206-214.


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