Three-phase fluidized bed electrochemical reactor for the scalable generation of hydrogen peroxide at enzyme compatible conditions

Abt, Michael; Franzreb, Matthias; Jestädt, Mirco; Tschöpe, André

doi:10.1016/j.cej.2023.146465

Chemical Engineering Journal

2023

DOI: 10.1016/j.cej.2023.146465

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Three-phase fluidized bed electrochemical reactor for the scalable generation of hydrogen peroxide at enzyme compatible conditions

Michael Abt,

Matthias Franzreb,

Mirco Jestädt

et al.

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2024

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Cited by 3 publications

References 59 publications

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Mechanism, performance enhancement, and economic feasibility of CO2 microbial electrosynthesis systems: A data-driven analysis of research topics and trends

Ying,

Qiu,

et al. 2024

Renewable and Sustainable Energy Reviews

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Mechanism, performance enhancement, and economic feasibility of CO2 microbial electrosynthesis systems: A data-driven analysis of research topics and trends

Ying,

Qiu,

et al. 2024

Renewable and Sustainable Energy Reviews

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Fluid Dynamics of an Electrochemical Flow Reactor with Different Gas Diffusion Electrodes for In Situ Hydrogen Peroxide Production

Souza,

Souto

et al. 2024

Ind. Eng. Chem. Res.

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This study integrates macromixing and micromixing methodologies to characterize an electrochemical reactor with a gas diffusion electrode (GDE) based on computational fluid dynamics (CFD) simulations validated by residence time distribution (RTD) data. It experimentally evaluates two types of GDEs for H 2 O 2 accumulation and uses the validated CFD model to evaluate the distribution of H 2 O 2 in the reactor. The tanks-in-series (T-I-S) model provides a qualitative understanding of the fluid's macroscopic behavior, while the transition SST model analyzes the fluid's microscopic dynamics and turbulence zones. The study reveals a significant convergence of current density, volumetric flow rate, and GDE type for H 2 O 2 production. The optimal experimental configuration (carbon/PTFE/fabric with Q = 50 L h −1 ) was evaluated through CFD simulations in the distribution of H 2 O 2 at different flow rates. These results improve our understanding of the hydrodynamics of the electrochemical reactor and offer prospects for optimizing the H 2 O 2 generation and accumulation processes.

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Intensification of bioprocesses – definition, examples, challenges and future directions

Hartmann,

Krieg,

Holtmann

2024

Physical Sciences Reviews

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Strategies to reduce cost and emission profiles are becoming increasingly important for the development of affordable and sustainable bio-based production. The overall objective of process intensification in different industries is to achieve substantial benefits in terms of cost, product concentration and quality, while eliminating waste and improving process safety. Intensification of bioprocesses could be a valuable tool for enhancing the efficiency and reducing resource consumption in bioproduction. In general, bioprocess intensification is defined as an increase in bioproduct output relative to cell concentration, time, reactor volume or cost. This brief overview provides a definition of process intensification in biotechnology, presents several general and specific examples, and addresses some of the current challenges.

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Three-phase fluidized bed electrochemical reactor for the scalable generation of hydrogen peroxide at enzyme compatible conditions

Cited by 3 publications

References 59 publications

Mechanism, performance enhancement, and economic feasibility of CO2 microbial electrosynthesis systems: A data-driven analysis of research topics and trends

Mechanism, performance enhancement, and economic feasibility of CO2 microbial electrosynthesis systems: A data-driven analysis of research topics and trends

Fluid Dynamics of an Electrochemical Flow Reactor with Different Gas Diffusion Electrodes for In Situ Hydrogen Peroxide Production

Intensification of bioprocesses – definition, examples, challenges and future directions

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