Microreactors for catalytic reactions

Rebrov, Evgeny V.; Chatterjee, Sourav

doi:10.1002/9781119248491.ch9

Cited by 1 publication

(1 citation statement)

References 96 publications

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“…Process intensification in multiphase reactors have been used [133][134][135] with various mechanisms, e.g., continuous flow mixing vessels, 136 vorticial ciliary flows, 137 micromesh, 138 microbubble generators, 139 microreactors, [140][141][142][143] and in scale-up flow reactors. 144 The key feature of these intensified devices is the ability of producing fine and minute bubbles; consistently, some show the capability of maintaining fine bubble sizes, leading to enhanced mass transfer rates.…”

Section: Micro Bubblesmentioning

confidence: 99%

Another Critical Look at Three-Phase Catalysis

2020

Pharmaceutical Fronts

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Three-phase catalysis, for example, hydrogenation, is a special branch of chemical reactions involving a hydrogen reactant (gas) and a solvent (liquid) in the presence of a metal porous catalyst (solid) to produce a liquid product. Currently, many reactors are being used for three-phase catalysis from packed bed to slurry vessel; the uniqueness for this type of reaction in countless processes is the requirement of transferring gas into liquid, as yet there is not a unified system of quantifying and comparing reactor performances. This article reviews current methodologies in carrying out such heterogeneous catalysis in different reactors and focuses on how to enhance reactor performance from gas transfer perspectives. This article also suggests that the mass transfer rate over energy dissipation may represent a fairer method for comparison of reactor performance accounting for different types/designs of reactors and catalyst structures as well as operating conditions.

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Section: Micro Bubblesmentioning

confidence: 99%

Another Critical Look at Three-Phase Catalysis

2020

Pharmaceutical Fronts

View full text Add to dashboard Cite

show abstract

Microreactors for catalytic reactions

Cited by 1 publication

References 96 publications

Another Critical Look at Three-Phase Catalysis

Another Critical Look at Three-Phase Catalysis

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