Coupled Electrochemical and Microbial Catalysis for the Production of Polymer Bricks
Richard Hegner, Katharina Neubert, Cora Kroner, Dirk Holtmann +1
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100% confidenceMES research in bacteria, performance. Abstract Power‐to‐X technologies have the potential to pave the way ...
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Abstract
Abstract Power‐to‐X technologies have the potential to pave the way towards a future resource‐secure bioeconomy as they enable the exploitation of renewable resources and CO 2 . Herein, the coupled electrocatalytic and microbial catalysis of the C 5 ‐polymer precursors mesaconate and 2 S ‐methylsuccinate from CO 2 and electric energy by in situ coupling electrochemical and microbial catalysis at 1 L‐scale was developed. In the first phase, 6.1±2.5 m m formate was produced by electrochemical CO 2 reduction. In the second phase, formate served as the substrate for microbial catalysis by an engineered strain of Methylobacterium extorquens AM‐1 producing 7±2 μ m and 10±5 μ m of mesaconate and 2 S ‐methylsuccinate, respectively. The proof of concept showed an overall conversion efficiency of 0.2 % being 0.4 % of the theoretical maximum.
Keywords
Identifiers
- Journal
- ChemSusChem
- Year
- 2020