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Authors: Bednarz, Roland J.-R.
Jiménez-Meneses, Pilar
Gold, Annika S.
Monllor-Satoca, Damián
Stenglein, Andreas
Gómez, Roberto
Waldvogel, Siegfried R.
Title: Sustainably scaled electrochemical synthesis of 3-propyladipic acid in line with fluctuating grid supply
Online publication date: 14-Sep-2023
Year of first publication: 2023
Language: english
Abstract: Chemical production is a significant contributor to global climate change, which expedites the growing demand for transitioning to more sustainable and climate-friendly methodologies. Ideally this should include high compatibility with the fluctuating electricity supply which results from renewable energy sources in the electrical grid. Here we show an electrochemical path for the 3-propyladipic acid synthesis from 4-propylcyclohexanol implementing a semi-technical electrochemical continuously stirred tank reactor. Following a Design of Experiments approach, we found a strong influence of the biphasic electrolyte mixing and the continuous feeding in of the substrate. By switching to an electrolyte recirculation mode and efficient mixing, the isolated product yield could be increased up to 31 % for a 10 L total reaction volume, indicating the potential for further scale-up into the technical range. This reaction proceeds while forming several by-products, which have not been fully described yet. A proposal for the formation mechanism is included.
DDC: 540 Chemie
540 Chemistry and allied sciences
Institution: Johannes Gutenberg-Universität Mainz
Department: FB 09 Chemie, Pharmazie u. Geowissensch.
Place: Mainz
Version: Published version
Publication type: Zeitschriftenaufsatz
License: CC BY
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Journal: ChemCatChem
Pages or article number: e202300606
Publisher: Wiley-VCH
Publisher place: Weinheim
Issue date: 2023
ISSN: 1867-3899
Publisher DOI: 10.1002/cctc.202300606
Appears in collections:DFG-491381577-H

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