Review: Microstructured reactors as efficient tool for the operation of selective oxidation reactions

Pennemann, Helmut; Kolb, Gunther

doi:10.1016/j.cattod.2016.04.032

Cited by 38 publications

(21 citation statements)

References 102 publications

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“…[144][145][146][147]149] The benefits of performing (aerobic) oxidation reactions in microreactors (of non-biomass derivatives) has been reviewed by multiple groups. [262][263][264] Heterogeneously catalyzed oxidation reactions have been shown to benefit from microreactor operation as compared to larger scale flow reactors. Both wallcoated [275] and packed bed microreactor configurations [183,276,277] have been used for this purpose.…”

Section: Opportunitiesmentioning

confidence: 99%

“…The enhanced mass transfer in continuous flow microreactors makes them attractive for carrying out liquid phase oxidation reactions. [262][263][264] In more detail, enhanced mass transfer of O 2 to the reactive liquid phase can increase the rate of oxidation reactions with fast kinetics (i. e., that tend to be limited by mass transfer). Besides, effective heat transfer in microreactors allows a precise temperature control.…”

Section: Liquid Phase Oxidation Of Biomass Derivativesmentioning

confidence: 99%

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Catalytic Transformation of Biomass Derivatives to Value‐Added Chemicals and Fuels in Continuous Flow Microreactors

2019

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Biomass as a renewable and abundantly available carbon source is a promising alternative to fossil resources for the production of chemicals and fuels. The development of biobased chemistry, along with catalyst design, has received much research attention over recent years. However, dedicated reactor concepts for the conversion of biomass and its derivatives are a relatively new research field. Continuous flow microreactors are a promising tool for process intensification, especially for reactions in multiphase systems. In this work, the potential of microreactors for the catalytic conversion of biomass derivatives to value-added chemicals and fuels is critically reviewed. Emphases are laid on the biphasic synthesis of furans from sugars, oxidation and hydrogenation of biomass derivatives. Microreactor processing has been shown capable of improving the efficiency of many biobased reactions, due to the transport intensification and a fine control over the process. Microreactors are expected to contribute in accelerating the technological development of biomass conversion and have a promising potential for industrial application in this area.

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Section: Opportunitiesmentioning

confidence: 99%

Section: Liquid Phase Oxidation Of Biomass Derivativesmentioning

confidence: 99%

Catalytic Transformation of Biomass Derivatives to Value‐Added Chemicals and Fuels in Continuous Flow Microreactors

2019

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“…These constraints can be overcome by using millistructured devices, in which heat and mass transfer can be significantly increased due to the high surface‐to‐volume ratio , . A very good overview of scientific research efforts was provided by Kolb and co‐workers for microstructured reactors in general , and specifically for selective oxidation reactions , . Klemm et al successfully demonstrated the safe operation of selective o ‐xylene oxidation within the explosive regime.…”

Section: Introductionmentioning

confidence: 99%

Process Intensification of n‐Butane Oxidation to Maleic Anhydride in a Millistructured Reactor

Hofmann

Turek

2017

Chem Eng & Technol

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Dedicated to Professor Rüdiger Lange on the occasion of his 65th birthdayThe oxidation of n-butane to maleic anhydride over an industrial vanadyl pyrophosphate oxide catalyst was investigated experimentally in millistructured reactors with varying slit widths to investigate the process intensification potential of this reaction. Although the smaller reactor behaved isothermally, even in the presence of high n-butane concentrations, moderate hot spots never exceeding more than 15 K above the salt bath temperature occurred in the larger catalyst channel. After exposure to high n-butane concentrations, a certain amount of catalyst deactivation was observed, which could be partly restored through reoxidation with pure oxygen. The reactor-specific maleic anhydride productivities obtained are much larger than those in conventional multitubular reactors.

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“…Many different examples have been reviewed recently by Pennemann et al [82]. For instance, decreasing channel size and adopting a catalytic wall configuration is the key to improve heat removal.…”

Section: -Oxidation Reactionsmentioning

confidence: 99%

Continuous flow (micro-)reactors for heterogeneously catalyzed reactions: Main design and modelling issues

Rossetti

2018

Catalysis Today

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Review: Microstructured reactors as efficient tool for the operation of selective oxidation reactions

Cited by 38 publications

References 102 publications

Catalytic Transformation of Biomass Derivatives to Value‐Added Chemicals and Fuels in Continuous Flow Microreactors

Catalytic Transformation of Biomass Derivatives to Value‐Added Chemicals and Fuels in Continuous Flow Microreactors

Process Intensification of n‐Butane Oxidation to Maleic Anhydride in a Millistructured Reactor

Continuous flow (micro-)reactors for heterogeneously catalyzed reactions: Main design and modelling issues

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