Microreaction processes for synthesis and utilization of epoxides: A review

Yan, Zifei; Tian, Jiaxin; Wang, Kai; Nigam, K.D.P.; Luo, Guangsheng

doi:10.1016/j.ces.2020.116071

Cited by 66 publications

(28 citation statements)

References 135 publications

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“…Most of the heterogeneous catalysts are stable towards heat and pressure; thus, they can be used in high-temperature processes and have broad applicability [53,54]. The heterogeneous catalytic process occurs near a fluid-solid interface; hence, mass transfer is limited due to external and internal diffusion resistances and affects the reaction rate [143]. However, heterogeneous reactions show lower selectivity compared to homogeneous reactions.…”

Section: Heterogeneous Reactions In Microreactorsmentioning

confidence: 99%

Heterogeneous Microfluidic Reactors: A Review and an Insight of Enzymatic Reactions

2022

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Heterogeneous reactions are considered the heart of chemical synthesis with numerous industrial applications due to their high conversion rates and low reaction time. On the other hand, the performance of heterogeneous reactions suffers from several drawbacks such as lower product selectivity and high mass transfer resistance that, in many cases, reduce the reaction rate. The efficiency of various conventional mixing techniques in heterogeneous reactors is believed to play a critical role in controlling the product quality and mass transfer rates besides other essential factors. Microfluidics technology provides a unique opportunity to revisit many established heterogeneous reaction processes to optimize and understand the reaction mechanisms. The unique flow conditions in microflow systems provide an excellent platform for exploring the effect of high‐precision micromixing techniques on reaction rates and productivities. Recent advances in microreactor technology in general and specifically heterogeneous reactions in microflow systems with an insight on the enzymatic reactions in microreactors are reviewed.

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Section: Heterogeneous Reactions In Microreactorsmentioning

confidence: 99%

Heterogeneous Microfluidic Reactors: A Review and an Insight of Enzymatic Reactions

2022

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“…Microstructured continuous-flow technology is now considered as one of the effective approaches for process intensification and gained many interests for a wide range of applications (Geng et al, 2020;Liu et al, 2020;Yan et al, 2021), especially for multiphase reactions (e.g., hydrogenation and (photo)oxidation). They could indeed offer several advantages compared to conventional batch processes, such as the enhanced heat and mass transfer rates, narrow residence time distribution, high exchange surface areas, and higher yields and selectivity (Willms et al, 2019;Mariotti et al, 2020;Xu et al, 2021;Yang et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Taylor bubble formation and flowing in a straight millimetric channel with a cross-junction inlet geometry Part II: Gas-liquid mass transfer

Mei

Men²,

Loubière³

et al. 2022

Chemical Engineering Science

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“…The number of reviews dealing with epoxidation is fairly important [6][7][8][9][10][11][12][13]. De Vos et al [6] gave an overview of heterogeneous epoxidation catalysts focusing on practical parameters and W-, V-or Mn-based catalysts.…”

Section: Introductionmentioning

confidence: 99%

The Lord of the Chemical Rings: Catalytic Synthesis of Important Industrial Epoxide Compounds

et al. 2021

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The epoxidized group, also known as the oxirane group, can be considered as one of the most crucial rings in chemistry. Due to the high ring strain and the polarization of the C–O bond in this three-membered ring, several reactions can be carried out. One can see such a functional group as a crucial intermediate in fuels, polymers, materials, fine chemistry, etc. Literature covering the topic of epoxidation, including the catalytic aspect, is vast. No review articles have been written on the catalytic synthesis of short size, intermediate and macro-molecules to the best of our knowledge. To fill this gap, this manuscript reviews the main catalytic findings for the production of ethylene and propylene oxides, epichlorohydrin and epoxidized vegetable oil. We have selected these three epoxidized molecules because they are the most studied and produced. The following catalytic systems will be considered: homogeneous, heterogeneous and enzymatic catalysis.

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Microreaction processes for synthesis and utilization of epoxides: A review

Cited by 66 publications

References 135 publications

Heterogeneous Microfluidic Reactors: A Review and an Insight of Enzymatic Reactions

Heterogeneous Microfluidic Reactors: A Review and an Insight of Enzymatic Reactions

Taylor bubble formation and flowing in a straight millimetric channel with a cross-junction inlet geometry Part II: Gas-liquid mass transfer

The Lord of the Chemical Rings: Catalytic Synthesis of Important Industrial Epoxide Compounds

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