Issue 12, 2023

Integrated electrosynthesis and biosynthesis for the production of adipic acid from lignin-derived phenols

Abstract

We show that adipic acid (AA), a major building block for polyamides like Nylon-6,6, can be synthesized from lignin-derived feedstock by combining electrochemical hydrogenation with biotransformation. Up to 68% yield of cyclohexanol from phenol at 69% coulombic efficiency is achieved for electrochemical hydrogenation, and further, the electrochemical hydrogenation of an aromatic mixture as gained from lignin depolymerization allows 83% yield. Subsequent biotransformation of cyclohexanol with recombinant Pseudomonas taiwanensis VLB120 gains AA at a rate of 0.02 g L−1 h−1 with a yield of up to 61% in 5 h.

Graphical abstract: Integrated electrosynthesis and biosynthesis for the production of adipic acid from lignin-derived phenols

Supplementary files

Article information

Article type
Communication
Submitted
05 apr 2023
Accepted
23 may 2023
First published
08 iyn 2023
This article is Open Access
Creative Commons BY-NC license

Green Chem., 2023,25, 4662-4666

Integrated electrosynthesis and biosynthesis for the production of adipic acid from lignin-derived phenols

M. C. Morejón, A. Franz, R. Karande and F. Harnisch, Green Chem., 2023, 25, 4662 DOI: 10.1039/D3GC01105D

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