Einsatz eines Kapillar‐Mikroreaktors für die selektive Hydrierung von α,β‐ungesättigten Aldehyden in der wässrigen Mehrphasenkatalyse

Önal, Yücel; Lucas, Martin; Claus, Peter

doi:10.1002/cite.200407067

Cited by 10 publications

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“…Here, we overcome monitoring and yield problems by using wall-catalyzed segmented flow ( Figure 1 ). Flow segmentation has found widespread use in liquid–liquid[ 4c , 9 ] and gas–liquid[ 4d , 10 ] applications, motivated by good contact between fluid phases. In this work, we highlight that the flow pattern also enhances contact with the catalyst on the wall, inspired by our work in pilot-plant studies for monolith-based reactors.…”

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Heterogeneously Catalyzed Continuous‐Flow Hydrogenation Using Segmented Flow in Capillary Columns

et al. 2011

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Caterpillar catalysis: Segmented flow in standard GC capillary columns, with a heterogeneous Pd catalyst on the walls, gave rapid information about catalytic processes in them. The residence time and conversion was monitored visually, greatly simplifying bench‐scale optimization. Examples show the benefits of the elimination of pore diffusion and axial dispersion. Further, we demonstrated how to quickly identify deactivating species in multistep synthesis without intermediate workup.

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Heterogeneously Catalyzed Continuous‐Flow Hydrogenation Using Segmented Flow in Capillary Columns

et al. 2011

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Development of Novel Multiphase Microreactors: Recent Developments and Future Challenges

Rebrov

2019

Handbook of Green Chemistry

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Nowadays, one of the major challenges for the chemical industry is the development of innovative processes with less by‐product formation, improved product yields, and high‐energy efficiency. Microreactor technology provides unique solutions to meet these requirements. As an important means for process intensification, microchemical technology is expected to have a number of advantages for chemicals production. The high heat‐ and mass‐transfer rates in microreactors enable many highly exothermic, fast reactions to be operated under nearly isothermal conditions, thereby better selectivity or yield can be reached as compared to conventional reactors.This chapter is a summary of recent developments in microreactor technology for gas–liquid catalytic reactions that constitute up to 20% of all reactions used in fine chemicals industry. The fundamentals of design and operation of microreactors are explained. Various design concepts are discussed and key features are illustrated, and examples of successful applications are given.

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Microscale Flow Visualization

Hoffmann

Schlüter

Räbiger

2009

Micro Process Engineering

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Einsatz eines Kapillar‐Mikroreaktors für die selektive Hydrierung von α,β‐ungesättigten Aldehyden in der wässrigen Mehrphasenkatalyse

Cited by 10 publications

References 12 publications

Heterogeneously Catalyzed Continuous‐Flow Hydrogenation Using Segmented Flow in Capillary Columns

Heterogeneously Catalyzed Continuous‐Flow Hydrogenation Using Segmented Flow in Capillary Columns

Development of Novel Multiphase Microreactors: Recent Developments and Future Challenges

Microscale Flow Visualization

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